{
  "data": {
    "a": {
      "slug": "agent-zero",
      "name": "Agent Zero",
      "vendor": "Agent Zero, s.r.o.",
      "vendorUrl": "https://www.agent-zero.ai",
      "kind": "harness",
      "category": "agent-harnesses",
      "summary": "Agent Zero is an open-source agent framework that runs in a Docker container with a Linux desktop, a browser, a task scheduler and memory. Its owner reaches it through a web interface, Telegram, WhatsApp or email.",
      "url": "https://www.anchorterminal.com/tools/agent-zero",
      "markdownUrl": "https://www.anchorterminal.com/tools/agent-zero.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/agent-zero.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/agent-zero.json",
      "dns": "agent-zero.grade.anchorterminal.com",
      "repo": "https://github.com/agent0ai/agent-zero",
      "license": "MIT",
      "transports": [],
      "packages": [
        {
          "registry": "oci",
          "name": "agent0ai/agent-zero"
        }
      ],
      "auth": "none",
      "authNotes": "No account. The web interface has no login until the owner sets a username and password in Settings or as `AUTH_LOGIN` and `AUTH_PASSWORD`, which are stored in `/a0/usr/.env` (https://github.com/agent0ai/agent-zero/blob/main/docs/setup/vps-deployment.md). The external API takes an `X-API-KEY` header, and the optional MCP server and A2A endpoint carry the same token in the URL path. The token is derived from the instance id and the login, so it changes when either changes (https://github.com/agent0ai/agent-zero/blob/main/docs/guides/a2a-setup.md). Model access uses provider API keys or OAuth sign-in to ChatGPT (Codex), GitHub Copilot, Google Cloud Gemini or xAI (https://github.com/agent0ai/agent-zero/blob/main/plugins/_oauth/README.md).",
      "pricing": "free",
      "pricingNotes": "Free under MIT, with nothing to buy for the software. The owner pays the model provider they configure, or nothing with a local model. A beta LLM API on the vendor's site gives a daily quota to people who stake its A0T token and is separate from the software (checked 2026-10-12).",
      "priceSummary": "Free · OSS",
      "where": "local",
      "x402": {
        "level": "no",
        "evidence": "No x402, MPP or L402 in the docs or the source (checked 2026-10-12).",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": 19429,
        "npmWeekly": null,
        "pypiWeekly": null,
        "asOf": "2026-10-12"
      },
      "docsUrl": "https://github.com/agent0ai/agent-zero/tree/main/docs",
      "llmsTxt": "https://www.agent-zero.ai/llms.txt",
      "capabilities": [
        "agent.harness",
        "agent.mcp-client"
      ],
      "tags": [
        "open-source",
        "self-hosted",
        "local",
        "free",
        "python",
        "mit",
        "llms-txt",
        "docker"
      ],
      "lastRelease": "2026-11-01",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 46,
        "grade": "D",
        "agentReady": false,
        "rank": 1184,
        "ranked": true,
        "rankOf": 1510,
        "categoryRank": 47,
        "methodology": "0.7",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 62,
          "maintenance": 75,
          "payments": 60,
          "reliability": 57,
          "schema": 64,
          "security": 54,
          "transparency": 64
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-11-04"
        },
        "negative": -15,
        "negativeNotes": [
          "2026-08-27 to 2026-09-23. Breaking changes in minor releases of the `agent0ai/agent-zero` image with notice only in the release notes of the day. v2.11 (27 August) made LiteLLM default to Chat Completions, v2.12 (9 September) made `hist_add_ai_response` require an `llm_result`, and v2.13 (23 September) dropped `runtime=input` for remote execution with \"No compatibility alias\". Repeats fold into one term, -3 (https://www.agent-zero.ai/p/articles/agent-zero-v2-13/).",
          "2026-09-09. Two flaws recorded in the project's own security-review ledger and fixed in v2.12 the same day. An unauthenticated Telegram webhook accepted forged updates, and WhatsApp document names could overwrite files outside the media cache before the sender check ran. The ledger rates both high. Named in the release notes, with no advisory, -3 (https://github.com/agent0ai/agent-zero/blob/main/security-review/LEDGER.md).",
          "2026-03-17 to 2026-10-22. Eight CVEs against Agent Zero, counted one by one, none published by the vendor. CVE-2026-97635 (CISA, 22 October, Web UI XSS before 1.15, CVSS 4.0 8.6, fixed) 2. CVE-2026-51852 and CVE-2026-51853 (MITRE, 30 September, file browser directory traversal in 1.7 to 1.10, CISA-ADP 7.5 each, reports closed as completed) 2 each. CVE-2026-30624 (MITRE, 15 April, MCP server configuration runs arbitrary commands in 0.9.8, 8.6, no fix listed) 2. CVE-2026-47118 (VulnCheck, 27 May, image_get path traversal before 1.15, 7.1, fixed) 1. VulDB's CVE-2026-4308 (6.3, fixed in v2.9) and VulnCheck's CVE-2026-47119 (5.3, fixed) are fixed third-party Mediums and cost 0, and VulDB's CVE-2026-4307 (4.3, fix not established) is an unfixed third-party Medium, left uncounted. -9 (https://osv.dev/list?q=agent-zero, https://github.com/CVEProject/cvelistV5)."
        ],
        "verdict": "Self-hosted under the MIT licence, with seven releases from 12 August to 1 November 2026 and breaking changes listed in minor-release notes. The agent runs shell commands in its container with no approval step, the web interface has no login by default, and eight CVEs from the past year were published by third parties with no vendor advisory.",
        "bestFor": "A technical owner who wants an agent with its own Linux machine, reachable from Telegram, WhatsApp or email, with scheduled tasks and editable memory.",
        "strengths": [
          "MIT licence, with prompts, tools, plugins and settings readable and editable in one public repository",
          "Seven tagged releases from 12 August to 1 November 2026, with Breaking Changes sections in the v2.11, v2.12 and v2.13 notes",
          "Memory dashboard to search, edit, delete and bulk-delete entries, with memory kept apart for each project by default",
          "No usage telemetry found in the source. The one call home is an update check whose settings page says what it sends and turns it off",
          "Tool Access policy can allow or block each built-in and MCP tool for a project or an agent profile"
        ],
        "weaknesses": [
          "No approval step before shell commands, file changes or outgoing messages. Tool Access defaults to allow",
          "The web interface has no login until the owner sets a username, and the README command publishes port 80",
          "Eight CVEs published between 17 March and 22 October 2026, all assigned by third parties, with no vendor advisory, SECURITY.md or security.txt",
          "Infection Check, the prompt-injection audit before tool calls, ships turned off",
          "Empty allow-lists in the Telegram, WhatsApp and email integrations accept messages from anyone",
          "No public CI runs the 245 files under tests/. The only workflows publish Docker images and close inactive issues",
          "Minor releases v2.11, v2.12 and v2.13 removed or changed behaviour on release day, one with no compatibility alias"
        ],
        "agentNotes": [
          "Set a UI login and password in Settings before publishing the port or opening a tunnel. The default has none",
          "Fill `allowed_users`, `allowed_numbers` or `sender_whitelist` before enabling a channel. An empty list accepts every sender",
          "Enable the Infection Check plugin when the agent reads mail, web pages or MCP results. It ships disabled",
          "Run v2.12 or later. It fixes a Telegram webhook authentication bypass and a WhatsApp media path traversal",
          "Call `POST /api_message` with the `X-API-KEY` header. The token changes when the UI login or password changes"
        ],
        "metrics": {
          "kind": "local",
          "measured": false
        },
        "reviewCount": 0,
        "avgRating": 0,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "D",
            "methodology": "0.7",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 46
          }
        ],
        "editorialScores": {
          "ergonomics": 62,
          "maintenance": 75,
          "payments": 60,
          "reliability": 57,
          "schema": 64,
          "security": 54,
          "transparency": 66
        },
        "provenanceScore": 61,
        "checked": {
          "categories": {
            "ergonomics": "2026-11-04",
            "maintenance": "2026-11-04",
            "payments": "2026-11-04",
            "reliability": "2026-11-04",
            "schema": "2026-11-04",
            "security": "2026-11-04",
            "transparency": "2026-11-04"
          },
          "last": "2026-11-04",
          "lastMoved": "2026-11-04",
          "oldest": "2026-11-04",
          "stale": false,
          "staleAfterDays": 90
        }
      },
      "connect": {
        "install": "docker run -p 80:80 -v a0_usr:/a0/usr agent0ai/agent-zero   # or: curl -fsSL https://bash.agent-zero.ai | bash"
      },
      "letme": {
        "capability": "https://letme.dev/agent.harness",
        "tool": "https://letme.dev/agent-zero"
      },
      "area": "frameworks",
      "provenance": {
        "legalEntity": "Agent Zero, s.r.o.",
        "domain": "agent-zero.ai",
        "domainRegistered": "",
        "endpointOnVendorDomain": null,
        "terms": "",
        "privacy": "",
        "statusPage": "",
        "changelog": "https://github.com/agent0ai/agent-zero/releases",
        "securityTxt": "none",
        "checked": "2026-11-04",
        "notes": [
          "The site footer names Agent Zero, s.r.o., ID no. 231 46 508, Nové sady 988/2, 602 00 Brno, Czech Republic, and the `LICENSE` file carries the same company's copyright.",
          "No terms or privacy policy for the software was found. The site's terms page covers its community platform and its cookie page covers the website, so neither is linked here and the MIT licence stands in.",
          "`/.well-known/security.txt` on www.agent-zero.ai answered 404 on 12 October 2026, and the repository still had no SECURITY.md on 4 November 2026.",
          "robots.txt on www.agent-zero.ai answered 404 again on 4 November 2026, read as no rules. agent-zero.ai redirects to www.agent-zero.ai.",
          "There is no hosted endpoint. An instance answers on its owner's own host.",
          "The domain's registration date was not looked up."
        ],
        "score": 61
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/agent-zero.json",
      "live": {
        "slug": "agent-zero",
        "versions": [
          {
            "registry": "github",
            "name": "agent0ai/agent-zero",
            "version": "v2.15",
            "released": "2026-11-01",
            "seenAt": "2026-11-06T23:03:10.585709292Z"
          }
        ],
        "githubStars": 19771,
        "securityTxt": {
          "url": "https://agent-zero.ai/.well-known/security.txt",
          "state": "none",
          "checkedAt": "2026-11-07T16:00:55.812233933Z"
        },
        "llmsTxt": {
          "url": "https://www.agent-zero.ai/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-11-07T15:31:05.677359332Z"
        },
        "domain": {
          "domain": "agent-zero.ai",
          "registered": "2025-01-26",
          "source": "https://rdap.identitydigital.services/rdap/domain/agent-zero.ai",
          "checkedAt": "2026-11-01T14:14:52.629038357Z"
        },
        "github": {
          "repo": "agent0ai/agent-zero",
          "checkedAt": "2026-11-02T08:28:32.546659925Z",
          "stars": 19645,
          "archived": false,
          "issuesEnabled": true,
          "pushedAt": "2026-11-01T23:18:27Z",
          "openIssues": 59,
          "openPRs": 82,
          "issuesOpened90d": 71,
          "issuesClosed90d": 102,
          "prsMerged90d": 37,
          "ci": {
            "branch": "main",
            "runs": 50,
            "success": 46,
            "failure": 3,
            "other": 1,
            "latest": "success",
            "latestAt": "2026-11-01T23:52:44Z"
          },
          "replies": {
            "sampled": 25,
            "unanswered": 23,
            "medianDays": 7.5
          }
        },
        "updatedAt": "2026-11-07T16:00:55.812233933Z"
      }
    },
    "answer": "Sculptor scores 53.1 (D) on agent readiness against Agent Zero's 46 (D), and leads in 1 of 7 scored categories. Agent Zero leads on reliability, schema \u0026 documentation, agent ergonomics and transparency \u0026 trust.",
    "b": {
      "slug": "sculptor",
      "name": "Sculptor",
      "vendor": "Imbue, Inc.",
      "vendorUrl": "https://imbue.com",
      "kind": "harness",
      "category": "agent-harnesses",
      "summary": "Sculptor is Imbue's open-source desktop app for running coding agents in parallel, each in an isolated copy of your code, with built-in skills for agentic development. It's labelled an experimental research preview.",
      "url": "https://www.anchorterminal.com/tools/sculptor",
      "markdownUrl": "https://www.anchorterminal.com/tools/sculptor.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/sculptor.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/sculptor.json",
      "dns": "sculptor.grade.anchorterminal.com",
      "repo": "https://github.com/imbue-ai/sculptor",
      "license": "MIT",
      "transports": [],
      "packages": [],
      "auth": "none",
      "pricing": "free",
      "pricingNotes": "Free and open source. You pay for the coding agents it runs, through your own subscriptions or API keys (checked 2026-11-07).",
      "priceSummary": "Free · OSS",
      "where": "local",
      "x402": {
        "level": "no",
        "evidence": "No payment protocol in the repository or README (checked 2026-11-07).",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": null,
        "npmWeekly": null,
        "pypiWeekly": null,
        "asOf": "2026-11-07"
      },
      "docsUrl": "https://github.com/imbue-ai/sculptor#readme",
      "capabilities": [
        "agent.harness",
        "agent.multi-agent"
      ],
      "tags": [
        "open-source",
        "mit",
        "desktop-app",
        "new"
      ],
      "lastRelease": "2026-11-06",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 53.1,
        "grade": "D",
        "agentReady": false,
        "rank": 966,
        "ranked": true,
        "rankOf": 1510,
        "categoryRank": 37,
        "methodology": "0.7",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 50,
          "maintenance": 75,
          "payments": 60,
          "reliability": 43,
          "schema": 45,
          "security": 57,
          "transparency": 57
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "low",
          "date": "2026-11-07"
        },
        "negative": 0,
        "verdict": "Imbue's open-source app for parallel coding agents in isolated workspaces, with telemetry off until you choose otherwise. It's an experimental research preview that warns of bugs and drastic changes, Mac and Linux only, with no changelog.",
        "bestFor": "Developers who want parallel coding agents in isolated workspaces and are fine with a research preview.",
        "strengths": [
          "Each workspace is an isolated copy of the code, reviewed and merged back",
          "Analytics, error reporting and session recording default to off, with consent at first run",
          "Built-in skills for agentic development",
          "MIT from Imbue, with CI on pull requests"
        ],
        "weaknesses": [
          "Labelled an experimental research preview that may change drastically",
          "Mac (Apple Silicon) and Linux only",
          "No changelog file",
          "Few outside contributions accepted for now"
        ],
        "agentNotes": [
          "Download from the README's links, connect a repository and create a workspace before prompting",
          "Review the diff before merging a workspace back to main"
        ],
        "metrics": {
          "kind": "local",
          "measured": false
        },
        "reviewCount": 0,
        "avgRating": 0,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "low",
            "grade": "D",
            "methodology": "0.7",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 53.1
          }
        ],
        "editorialScores": {
          "ergonomics": 50,
          "maintenance": 75,
          "payments": 60,
          "reliability": 43,
          "schema": 45,
          "security": 57,
          "transparency": 73
        },
        "provenanceScore": 40,
        "checked": {
          "categories": {
            "ergonomics": "2026-11-07",
            "maintenance": "2026-11-07",
            "payments": "2026-11-07",
            "reliability": "2026-11-07",
            "schema": "2026-11-07",
            "security": "2026-11-07",
            "transparency": "2026-11-07"
          },
          "last": "2026-11-07",
          "oldest": "2026-11-07",
          "stale": false,
          "staleAfterDays": 90
        }
      },
      "connect": {
        "install": "Download for Mac (Apple Silicon) or Linux from the README"
      },
      "letme": {
        "capability": "https://letme.dev/agent.harness",
        "tool": "https://letme.dev/sculptor"
      },
      "area": "frameworks",
      "provenance": {
        "legalEntity": "Imbue, Inc.",
        "domain": "imbue.com",
        "domainRegistered": "",
        "domainNote": "Not looked up: RDAP isn't requested under the 1 November 2026 rules.",
        "endpointOnVendorDomain": null,
        "terms": "",
        "privacy": "",
        "statusPage": "",
        "changelog": "",
        "securityTxt": "none",
        "checked": "2026-11-07",
        "notes": [
          "The licence names Imbue, Inc.. The repository is github.com/imbue-ai/sculptor."
        ],
        "score": 40
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/sculptor.json",
      "live": {
        "slug": "sculptor",
        "securityTxt": {
          "url": "https://imbue.com/.well-known/security.txt",
          "state": "none",
          "checkedAt": "2026-11-07T16:01:32.925074454Z"
        },
        "updatedAt": "2026-11-07T16:01:32.925074454Z"
      }
    },
    "edges": [
      {
        "by": 19,
        "category": "schema",
        "leads": "agent-zero",
        "name": "Schema \u0026 documentation",
        "reasons": {
          "a": "Harness reading of the lines, as the Goose calibration dossier does. No OpenAPI file. The connectivity page lists five external endpoints and the `X-API-KEY` header, then sends readers to the source or DeepWiki for request and response details. Each API handler and tool has a `.dox.md` contract file in the repository, and the MCP client JSON shape is documented (10 of 25). llms.txt at www.agent-zero.ai, and AGENTS.md contract files across the repository (10). Guides say which path to use for a need, with tables that separate the browser, the host connector, MCP and A2A (14 of 20). The v2.12 notes say 15 bundled tools gained argument descriptions in non-strict schemas, and plugin settings are typed YAML with commented examples (8 of 15). Guides carry worked examples and a troubleshooting page, with no documented error responses for the external API (9 of 15). Dated notes on every GitHub release and a release article for each version on the site, with no version prefix on API routes (13 of 15).",
          "b": "Harness reading. A README, specs and agent docs in the repository; no API reference (45)."
        },
        "scores": {
          "a": 64,
          "b": 45
        }
      },
      {
        "by": 14,
        "category": "reliability",
        "leads": "agent-zero",
        "name": "Reliability",
        "reasons": {
          "a": "Read with the local-software lines, as software the owner runs. Installs from the `agent0ai/agent-zero` Docker image, an install script, or a desktop Launcher with builds for macOS, Linux and Windows on x86 and ARM64. The README says it runs wherever Docker runs. The image registry page was not read (17 of 20). The repository holds 245 files under tests/ on 4 November, and its only two workflows still publish Docker images and close inactive issues. The publish workflow runs no tests, so no public CI run shows them passing (5 of 25, a partial kept). 139 open issues and pull requests on 12 October 2026, per that check (GitHub's pages and API weren't read on 4 November). Open reports from September include a crash of `run_ui` after a failed memory consolidation (#1909), a browser worker that hangs the agent turn (#1923) and truncated backups (#1904), each with no reply or one, and a workflow closes anything inactive for 90 days (11 of 25). Release notes for v2.11, v2.12 and v2.13 carry a Breaking Changes section, but breaking changes ship in minor versions, so the numbering is not semver (9 of 15). v2.15, past 1.0 (15).",
          "b": "Local software. Desktop downloads for Mac (Apple Silicon), Linux and Linux ARM64 (20). checks.yml and a PR gate run on the repository; pass state not read (15). GitHub issues and pull requests weren't read (GitHub's pages refuse these sessions), so that line is scored absent (0). sculptor-v tags up to v0.49.0, no changelog file (8). 0.x and labelled a research preview (0). 20 + 15 + 0 + 8 + 0 = 43."
        },
        "scores": {
          "a": 57,
          "b": 43
        }
      },
      {
        "by": 12,
        "category": "ergonomics",
        "leads": "agent-zero",
        "name": "Agent ergonomics",
        "reasons": {
          "a": "Harness reading, scored on what a person or program driving it must supply. Skills load on demand, blocked tools are removed from the prompt, chats can be compacted, and the v2.12 notes report Codex input falling from about 16.4K to 11.3K tokens, a vendor figure (18 of 25). An MCP tool timeout of 120 seconds, a limit of five consecutive unusable responses and context-window handling are set by default. No turn or spend limit was found in the reviewed docs (11 of 20). Other programs reach it through `POST /api_message`, an optional MCP server, A2A and an ACP bridge, with request and response shapes left to the source (11 of 20). An error-retry plugin, saved chats, a message queue, backups and Time Travel snapshots with diff and revert (14 of 20). One Docker command starts it and a wizard sets the model, but there is no SDK and the default has no login (8 of 15).",
          "b": "Harness reading. Workspaces as isolated copies, review and merge back, and built-in skills (50)."
        },
        "scores": {
          "a": 62,
          "b": 50
        }
      },
      {
        "by": 7,
        "category": "transparency",
        "leads": "agent-zero",
        "name": "Transparency \u0026 trust",
        "reasons": {
          "a": "MIT, copyright Agent Zero, s.r.o. (30). No privacy policy for the software was found. The site's cookie notice covers the website, and its terms (14 May 2026) cover the community platform. The docs say where data lives (chats, memory, secrets and settings under `/a0/usr`) and warn that model providers see what is sent to them only in general terms, with no retention statement (8 of 30). Release notes list breaking changes and removals with the release date, and one deprecated alias is named. No deprecation policy or notice period was found (8 of 20, a partial kept). No usage telemetry was found in the source. The update check is described on its settings page, which says it sends only a randomised, hashed install ID and the version number, and the same page turns it off. The ID is a hash of a random per-install token, a pseudonym under this run's reading, so the statement holds (20). 30 + 8 + 8 + 20 = 66.",
          "b": "MIT (30). Consent-based telemetry documented in the repository (18 of 30). The README warns of drastic changes during the research preview, with no deprecation policy (5). Opt-in telemetry (20). 30 + 18 + 5 + 20 = 73."
        },
        "scores": {
          "a": 64,
          "b": 57
        }
      }
    ],
    "facts": [
      {
        "a": "Agent harness",
        "b": "Agent harness",
        "name": "Kind"
      },
      {
        "a": "Agent Zero, s.r.o.",
        "b": "Imbue, Inc.",
        "name": "Vendor"
      },
      {
        "a": "no (local only)",
        "b": "no (local only)",
        "name": "Hosted endpoint"
      },
      {
        "a": "",
        "b": "",
        "name": "Transports"
      },
      {
        "a": "None",
        "b": "None",
        "name": "Auth"
      },
      {
        "a": "Free",
        "b": "Free",
        "name": "Pricing"
      },
      {
        "a": "no",
        "b": "no",
        "name": "x402"
      },
      {
        "a": "MIT",
        "b": "MIT",
        "name": "Licence"
      },
      {
        "a": "no",
        "b": "no",
        "name": "Read-only variant documented"
      },
      {
        "a": "yes",
        "b": "no",
        "name": "llms.txt"
      },
      {
        "a": "2026-11-01",
        "b": "2026-11-06",
        "name": "Last release"
      },
      {
        "a": "no document linked",
        "b": "no document linked",
        "name": "Terms last updated"
      },
      {
        "a": "no document linked",
        "b": "no document linked",
        "name": "Privacy policy last updated"
      },
      {
        "a": "19k stars",
        "b": "none",
        "name": "Popularity"
      }
    ],
    "faq": [
      {
        "answer": "Sculptor scores 53.1 (D) on agent readiness against Agent Zero's 46 (D), and leads in 1 of 7 scored categories. Agent Zero leads on reliability, schema \u0026 documentation, agent ergonomics and transparency \u0026 trust.",
        "question": "Which is better for AI agents, Agent Zero or Sculptor?"
      },
      {
        "answer": "Yes. Agent Zero is open source (MIT). Sculptor is open source (MIT).",
        "question": "Are Agent Zero and Sculptor open source?"
      }
    ],
    "goodFor": [
      {
        "aheadOn": [
          "Reliability, 57 against 43",
          "Schema \u0026 documentation, 64 against 45",
          "Agent ergonomics, 62 against 50",
          "Transparency \u0026 trust, 64 against 57"
        ],
        "also": null,
        "goodFor": "A technical owner who wants an agent with its own Linux machine, reachable from Telegram, WhatsApp or email, with scheduled tasks and editable memory.",
        "slug": "agent-zero",
        "watchFor": "No approval step before shell commands, file changes or outgoing messages. Tool Access defaults to allow"
      },
      {
        "aheadOn": null,
        "also": [
          "No incidents deducted, where Agent Zero loses 15 points for them"
        ],
        "goodFor": "Developers who want parallel coding agents in isolated workspaces and are fine with a research preview.",
        "slug": "sculptor",
        "watchFor": "Labelled an experimental research preview that may change drastically"
      }
    ],
    "history": {
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        {
          "causes": [
            "correction"
          ],
          "date": "2026-11-04",
          "delta": -8.6,
          "from": 54.6,
          "fromGrade": "C",
          "to": 46,
          "toGrade": "D"
        },
        {
          "causes": [
            "evidence"
          ],
          "date": "2026-10-28",
          "delta": 0.3,
          "from": 54.3,
          "fromGrade": "C",
          "to": 54.6,
          "toGrade": "C"
        },
        {
          "causes": [
            "method"
          ],
          "date": "2026-10-27",
          "delta": 0.1,
          "from": 54.2,
          "fromGrade": "C",
          "to": 54.3,
          "toGrade": "C"
        }
      ],
      "sculptor": null
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      "name": "Agent harnesses"
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        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-antigravity-cli.json",
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      },
      {
        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-auggie.json",
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      {
        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-axlr.json",
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      {
        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-claude-code.json",
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        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-cline.json",
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        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-conductor.json",
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        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-crush.json",
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        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-cursor-cli.json",
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        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-deepseek-superagent.json",
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        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-devin.json",
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        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-droid-cli.json",
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        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-earendil-pi.json",
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        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-emdash.json",
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        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-gemini-cli.json",
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        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-github-copilot-cli.json",
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        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-goose.json",
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        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-harness2.json",
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      {
        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-harnessrouter.json",
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        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-jules.json",
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        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-junie.json",
        "title": "Agent Zero vs Junie CLI",
        "url": "https://www.anchorterminal.com/compare/agent-zero-vs-junie"
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      {
        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-kilo-code-cli.json",
        "title": "Agent Zero vs Kilo Code CLI",
        "url": "https://www.anchorterminal.com/compare/agent-zero-vs-kilo-code-cli"
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        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-kimi-code-cli.json",
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        "url": "https://www.anchorterminal.com/compare/agent-zero-vs-kimi-code-cli"
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        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-kiro-cli.json",
        "title": "Agent Zero vs Kiro CLI",
        "url": "https://www.anchorterminal.com/compare/agent-zero-vs-kiro-cli"
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      {
        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-letta.json",
        "title": "Agent Zero vs Letta",
        "url": "https://www.anchorterminal.com/compare/agent-zero-vs-letta"
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      {
        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-mini-swe-agent.json",
        "title": "Agent Zero vs mini-swe-agent",
        "url": "https://www.anchorterminal.com/compare/agent-zero-vs-mini-swe-agent"
      },
      {
        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-minimax-code.json",
        "title": "Agent Zero vs MiniMax Code",
        "url": "https://www.anchorterminal.com/compare/agent-zero-vs-minimax-code"
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      {
        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-mistral-vibe-cli.json",
        "title": "Agent Zero vs Mistral Vibe CLI",
        "url": "https://www.anchorterminal.com/compare/agent-zero-vs-mistral-vibe-cli"
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      {
        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-muse-code.json",
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        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-openai-agents-api.json",
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      {
        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-openai-codex.json",
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        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-opencode.json",
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        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-openhands.json",
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        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-openmausbot.json",
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        "url": "https://www.anchorterminal.com/compare/agent-zero-vs-openmausbot"
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      {
        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-orca.json",
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        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-paseo.json",
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        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-prime-agent.json",
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      {
        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-qoder-cli.json",
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      {
        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-qwen-code.json",
        "title": "Agent Zero vs Qwen Code",
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      {
        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-reflection-mirror.json",
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        "url": "https://www.anchorterminal.com/compare/agent-zero-vs-reflection-mirror"
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      {
        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-rovo-dev-cli.json",
        "title": "Agent Zero vs Rovo Dev CLI",
        "url": "https://www.anchorterminal.com/compare/agent-zero-vs-rovo-dev-cli"
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      {
        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-t3-code.json",
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        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-traycer.json",
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      {
        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-unstoppable.json",
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      {
        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-verdent.json",
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        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-vibe-trading.json",
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      {
        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-warp.json",
        "title": "Agent Zero vs Warp (Warp Agent CLI and the Oz Agent API)",
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        "json": "https://www.anchorterminal.com/compare/aider-vs-sculptor.json",
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        "json": "https://www.anchorterminal.com/compare/amp-vs-sculptor.json",
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        "json": "https://www.anchorterminal.com/compare/antigravity-cli-vs-sculptor.json",
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        "json": "https://www.anchorterminal.com/compare/auggie-vs-sculptor.json",
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        "json": "https://www.anchorterminal.com/compare/axlr-vs-sculptor.json",
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      {
        "json": "https://www.anchorterminal.com/compare/claude-code-vs-sculptor.json",
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        "url": "https://www.anchorterminal.com/compare/claude-code-vs-sculptor"
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      {
        "json": "https://www.anchorterminal.com/compare/cline-vs-sculptor.json",
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        "url": "https://www.anchorterminal.com/compare/cline-vs-sculptor"
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        "json": "https://www.anchorterminal.com/compare/conductor-vs-sculptor.json",
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        "url": "https://www.anchorterminal.com/compare/conductor-vs-sculptor"
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        "json": "https://www.anchorterminal.com/compare/crush-vs-sculptor.json",
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        "url": "https://www.anchorterminal.com/compare/crush-vs-sculptor"
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        "json": "https://www.anchorterminal.com/compare/cursor-cli-vs-sculptor.json",
        "title": "Cursor CLI vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/cursor-cli-vs-sculptor"
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      {
        "json": "https://www.anchorterminal.com/compare/deepseek-harness-vs-sculptor.json",
        "title": "DeepSeek Harness (dsh) vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/deepseek-harness-vs-sculptor"
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      {
        "json": "https://www.anchorterminal.com/compare/deepseek-superagent-vs-sculptor.json",
        "title": "dsh-superagent (DeepSeek) vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/deepseek-superagent-vs-sculptor"
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        "json": "https://www.anchorterminal.com/compare/devin-vs-sculptor.json",
        "title": "Devin vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/devin-vs-sculptor"
      },
      {
        "json": "https://www.anchorterminal.com/compare/droid-cli-vs-sculptor.json",
        "title": "Droid CLI vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/droid-cli-vs-sculptor"
      },
      {
        "json": "https://www.anchorterminal.com/compare/earendil-pi-vs-sculptor.json",
        "title": "Pi vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/earendil-pi-vs-sculptor"
      },
      {
        "json": "https://www.anchorterminal.com/compare/emdash-vs-sculptor.json",
        "title": "Emdash vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/emdash-vs-sculptor"
      },
      {
        "json": "https://www.anchorterminal.com/compare/gemini-cli-vs-sculptor.json",
        "title": "Gemini CLI vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/gemini-cli-vs-sculptor"
      },
      {
        "json": "https://www.anchorterminal.com/compare/github-copilot-cli-vs-sculptor.json",
        "title": "GitHub Copilot CLI vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/github-copilot-cli-vs-sculptor"
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      {
        "json": "https://www.anchorterminal.com/compare/goose-vs-sculptor.json",
        "title": "goose vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/goose-vs-sculptor"
      },
      {
        "json": "https://www.anchorterminal.com/compare/harness2-vs-sculptor.json",
        "title": "Harness² vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/harness2-vs-sculptor"
      },
      {
        "json": "https://www.anchorterminal.com/compare/harnessrouter-vs-sculptor.json",
        "title": "HarnessRouter vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/harnessrouter-vs-sculptor"
      },
      {
        "json": "https://www.anchorterminal.com/compare/jules-vs-sculptor.json",
        "title": "Jules vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/jules-vs-sculptor"
      },
      {
        "json": "https://www.anchorterminal.com/compare/junie-vs-sculptor.json",
        "title": "Junie CLI vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/junie-vs-sculptor"
      },
      {
        "json": "https://www.anchorterminal.com/compare/kilo-code-cli-vs-sculptor.json",
        "title": "Kilo Code CLI vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/kilo-code-cli-vs-sculptor"
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      {
        "json": "https://www.anchorterminal.com/compare/kimi-code-cli-vs-sculptor.json",
        "title": "Kimi Code CLI vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/kimi-code-cli-vs-sculptor"
      },
      {
        "json": "https://www.anchorterminal.com/compare/kiro-cli-vs-sculptor.json",
        "title": "Kiro CLI vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/kiro-cli-vs-sculptor"
      },
      {
        "json": "https://www.anchorterminal.com/compare/letta-vs-sculptor.json",
        "title": "Letta vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/letta-vs-sculptor"
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      {
        "json": "https://www.anchorterminal.com/compare/mini-swe-agent-vs-sculptor.json",
        "title": "mini-swe-agent vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/mini-swe-agent-vs-sculptor"
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      {
        "json": "https://www.anchorterminal.com/compare/minimax-code-vs-sculptor.json",
        "title": "MiniMax Code vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/minimax-code-vs-sculptor"
      },
      {
        "json": "https://www.anchorterminal.com/compare/mistral-vibe-cli-vs-sculptor.json",
        "title": "Mistral Vibe CLI vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/mistral-vibe-cli-vs-sculptor"
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      {
        "json": "https://www.anchorterminal.com/compare/muse-code-vs-sculptor.json",
        "title": "Muse Code vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/muse-code-vs-sculptor"
      },
      {
        "json": "https://www.anchorterminal.com/compare/openai-agents-api-vs-sculptor.json",
        "title": "OpenAI Agents API vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/openai-agents-api-vs-sculptor"
      },
      {
        "json": "https://www.anchorterminal.com/compare/openai-codex-vs-sculptor.json",
        "title": "OpenAI Codex vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/openai-codex-vs-sculptor"
      },
      {
        "json": "https://www.anchorterminal.com/compare/opencode-vs-sculptor.json",
        "title": "OpenCode vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/opencode-vs-sculptor"
      },
      {
        "json": "https://www.anchorterminal.com/compare/openhands-vs-sculptor.json",
        "title": "OpenHands vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/openhands-vs-sculptor"
      },
      {
        "json": "https://www.anchorterminal.com/compare/orca-vs-sculptor.json",
        "title": "Orca vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/orca-vs-sculptor"
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      {
        "json": "https://www.anchorterminal.com/compare/paseo-vs-sculptor.json",
        "title": "Paseo vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/paseo-vs-sculptor"
      },
      {
        "json": "https://www.anchorterminal.com/compare/prime-agent-vs-sculptor.json",
        "title": "Prime Agent vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/prime-agent-vs-sculptor"
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      {
        "json": "https://www.anchorterminal.com/compare/qoder-cli-vs-sculptor.json",
        "title": "Qoder CLI vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/qoder-cli-vs-sculptor"
      },
      {
        "json": "https://www.anchorterminal.com/compare/qwen-code-vs-sculptor.json",
        "title": "Qwen Code vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/qwen-code-vs-sculptor"
      },
      {
        "json": "https://www.anchorterminal.com/compare/reflection-mirror-vs-sculptor.json",
        "title": "Mirror CLI vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/reflection-mirror-vs-sculptor"
      },
      {
        "json": "https://www.anchorterminal.com/compare/rovo-dev-cli-vs-sculptor.json",
        "title": "Rovo Dev CLI vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/rovo-dev-cli-vs-sculptor"
      },
      {
        "json": "https://www.anchorterminal.com/compare/sculptor-vs-t3-code.json",
        "title": "Sculptor vs T3 Code",
        "url": "https://www.anchorterminal.com/compare/sculptor-vs-t3-code"
      },
      {
        "json": "https://www.anchorterminal.com/compare/sculptor-vs-traycer.json",
        "title": "Sculptor vs Traycer",
        "url": "https://www.anchorterminal.com/compare/sculptor-vs-traycer"
      },
      {
        "json": "https://www.anchorterminal.com/compare/sculptor-vs-unstoppable.json",
        "title": "Sculptor vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/sculptor-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/sculptor-vs-verdent.json",
        "title": "Sculptor vs Verdent",
        "url": "https://www.anchorterminal.com/compare/sculptor-vs-verdent"
      },
      {
        "json": "https://www.anchorterminal.com/compare/sculptor-vs-vibe-trading.json",
        "title": "Sculptor vs Vibe-Trading",
        "url": "https://www.anchorterminal.com/compare/sculptor-vs-vibe-trading"
      },
      {
        "json": "https://www.anchorterminal.com/compare/sculptor-vs-warp.json",
        "title": "Sculptor vs Warp (Warp Agent CLI and the Oz Agent API)",
        "url": "https://www.anchorterminal.com/compare/sculptor-vs-warp"
      },
      {
        "json": "https://www.anchorterminal.com/compare/clawboo-vs-sculptor.json",
        "title": "Clawboo vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/clawboo-vs-sculptor"
      },
      {
        "json": "https://www.anchorterminal.com/compare/cli-manager-vs-sculptor.json",
        "title": "CLI Manager vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/cli-manager-vs-sculptor"
      },
      {
        "json": "https://www.anchorterminal.com/compare/harness-autonomous-vs-sculptor.json",
        "title": "Harness vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/harness-autonomous-vs-sculptor"
      },
      {
        "json": "https://www.anchorterminal.com/compare/openmausbot-vs-sculptor.json",
        "title": "OpenMausBot vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/openmausbot-vs-sculptor"
      },
      {
        "json": "https://www.anchorterminal.com/compare/paperclip-vs-sculptor.json",
        "title": "Paperclip vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/paperclip-vs-sculptor"
      },
      {
        "json": "https://www.anchorterminal.com/compare/parallax-agents-vs-sculptor.json",
        "title": "Parallax vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/parallax-agents-vs-sculptor"
      }
    ],
    "panel": null,
    "scores": [
      {
        "agent-zero": 57,
        "by": 14,
        "edge": "agent-zero",
        "key": "reliability",
        "name": "Reliability",
        "sculptor": 43,
        "weight": 16
      },
      {
        "key": "performance",
        "name": "Performance",
        "pending": true,
        "weight": 10
      },
      {
        "agent-zero": 64,
        "by": 19,
        "edge": "agent-zero",
        "key": "schema",
        "name": "Schema \u0026 documentation",
        "sculptor": 45,
        "weight": 13
      },
      {
        "agent-zero": 62,
        "by": 12,
        "edge": "agent-zero",
        "key": "ergonomics",
        "name": "Agent ergonomics",
        "sculptor": 50,
        "weight": 13
      },
      {
        "agent-zero": 54,
        "by": 3,
        "edge": "sculptor",
        "key": "security",
        "name": "Security \u0026 auth",
        "sculptor": 57,
        "weight": 14
      },
      {
        "agent-zero": 60,
        "by": 0,
        "edge": "",
        "key": "payments",
        "name": "Payments \u0026 pricing",
        "sculptor": 60,
        "weight": 10
      },
      {
        "key": "tasks",
        "name": "Task success",
        "pending": true,
        "weight": 10
      },
      {
        "agent-zero": 75,
        "by": 0,
        "edge": "",
        "key": "maintenance",
        "name": "Maintenance \u0026 community",
        "sculptor": 75,
        "weight": 7
      },
      {
        "agent-zero": 64,
        "by": 7,
        "edge": "agent-zero",
        "key": "transparency",
        "name": "Transparency \u0026 trust",
        "sculptor": 57,
        "weight": 7
      }
    ],
    "summary": "Sculptor scores 53.1 (D) on agent readiness against Agent Zero's 46 (D), and leads in 1 of 7 scored categories. Agent Zero leads on reliability, schema \u0026 documentation, agent ergonomics and transparency \u0026 trust. Both do agent harnesses.",
    "tasks": null,
    "tutorials": [],
    "verdicts": {
      "agent-zero": "Self-hosted under the MIT licence, with seven releases from 12 August to 1 November 2026 and breaking changes listed in minor-release notes. The agent runs shell commands in its container with no approval step, the web interface has no login by default, and eight CVEs from the past year were published by third parties with no vendor advisory.",
      "sculptor": "Imbue's open-source app for parallel coding agents in isolated workspaces, with telemetry off until you choose otherwise. It's an experimental research preview that warns of bugs and drastic changes, Mac and Linux only, with no changelog."
    }
  },
  "kind": "anchor.page",
  "links": {
    "api": "https://www.anchorterminal.com/api/v1/index.json",
    "html": "https://www.anchorterminal.com/compare/agent-zero-vs-sculptor",
    "json": "https://www.anchorterminal.com/compare/agent-zero-vs-sculptor.json",
    "llms": "https://www.anchorterminal.com/llms.txt",
    "markdown": "https://www.anchorterminal.com/compare/agent-zero-vs-sculptor.md",
    "mcp": "https://www.anchorterminal.com/mcp",
    "slim": "https://www.anchorterminal.com/compare/agent-zero-vs-sculptor.min.md"
  },
  "markdown": "Sculptor scores 53.1 (D) on agent readiness against Agent Zero's 46 (D), and leads in 1 of 7 scored categories. Agent Zero leads on reliability, schema \u0026 documentation, agent ergonomics and transparency \u0026 trust. Both do agent harnesses.\n\n- Agent Zero: grade D, 46/100, rank #1184 of 1510. Markdown https://www.anchorterminal.com/tools/agent-zero.md · JSON https://www.anchorterminal.com/api/v1/tools/agent-zero.json\n- Sculptor: grade D, 53.1/100, rank #966 of 1510. Markdown https://www.anchorterminal.com/tools/sculptor.md · JSON https://www.anchorterminal.com/api/v1/tools/sculptor.json\n- Best agent harnesses and coding agents: https://www.anchorterminal.com/best/agent-harnesses/index.md\n- All 1500 harnesses comparisons: https://www.anchorterminal.com/compare/agent-harnesses/index.md\n\n## Which one, for what\n\n### Agent Zero (D)\n\nGood for: A technical owner who wants an agent with its own Linux machine, reachable from Telegram, WhatsApp or email, with scheduled tasks and editable memory.\n\nAhead on:\n- Reliability, 57 against 43\n- Schema \u0026 documentation, 64 against 45\n- Agent ergonomics, 62 against 50\n- Transparency \u0026 trust, 64 against 57\n\nWatch for: No approval step before shell commands, file changes or outgoing messages. Tool Access defaults to allow\n\n### Sculptor (D)\n\nGood for: Developers who want parallel coding agents in isolated workspaces and are fine with a research preview.\n\nAlso in its favour:\n- No incidents deducted, where Agent Zero loses 15 points for them\n\nWatch for: Labelled an experimental research preview that may change drastically\n\n\n## Why the edge\n\n### Schema \u0026 documentation: Agent Zero +19\n\n- Agent Zero (64): Harness reading of the lines, as the Goose calibration dossier does. No OpenAPI file. The connectivity page lists five external endpoints and the `X-API-KEY` header, then sends readers to the source or DeepWiki for request and response details. Each API handler and tool has a `.dox.md` contract file in the repository, and the MCP client JSON shape is documented (10 of 25). llms.txt at www.agent-zero.ai, and AGENTS.md contract files across the repository (10). Guides say which path to use for a need, with tables that separate the browser, the host connector, MCP and A2A (14 of 20). The v2.12 notes say 15 bundled tools gained argument descriptions in non-strict schemas, and plugin settings are typed YAML with commented examples (8 of 15). Guides carry worked examples and a troubleshooting page, with no documented error responses for the external API (9 of 15). Dated notes on every GitHub release and a release article for each version on the site, with no version prefix on API routes (13 of 15).\n- Sculptor (45): Harness reading. A README, specs and agent docs in the repository; no API reference (45).\n\n### Reliability: Agent Zero +14\n\n- Agent Zero (57): Read with the local-software lines, as software the owner runs. Installs from the `agent0ai/agent-zero` Docker image, an install script, or a desktop Launcher with builds for macOS, Linux and Windows on x86 and ARM64. The README says it runs wherever Docker runs. The image registry page was not read (17 of 20). The repository holds 245 files under tests/ on 4 November, and its only two workflows still publish Docker images and close inactive issues. The publish workflow runs no tests, so no public CI run shows them passing (5 of 25, a partial kept). 139 open issues and pull requests on 12 October 2026, per that check (GitHub's pages and API weren't read on 4 November). Open reports from September include a crash of `run_ui` after a failed memory consolidation (#1909), a browser worker that hangs the agent turn (#1923) and truncated backups (#1904), each with no reply or one, and a workflow closes anything inactive for 90 days (11 of 25). Release notes for v2.11, v2.12 and v2.13 carry a Breaking Changes section, but breaking changes ship in minor versions, so the numbering is not semver (9 of 15). v2.15, past 1.0 (15).\n- Sculptor (43): Local software. Desktop downloads for Mac (Apple Silicon), Linux and Linux ARM64 (20). checks.yml and a PR gate run on the repository; pass state not read (15). GitHub issues and pull requests weren't read (GitHub's pages refuse these sessions), so that line is scored absent (0). sculptor-v tags up to v0.49.0, no changelog file (8). 0.x and labelled a research preview (0). 20 + 15 + 0 + 8 + 0 = 43.\n\n### Agent ergonomics: Agent Zero +12\n\n- Agent Zero (62): Harness reading, scored on what a person or program driving it must supply. Skills load on demand, blocked tools are removed from the prompt, chats can be compacted, and the v2.12 notes report Codex input falling from about 16.4K to 11.3K tokens, a vendor figure (18 of 25). An MCP tool timeout of 120 seconds, a limit of five consecutive unusable responses and context-window handling are set by default. No turn or spend limit was found in the reviewed docs (11 of 20). Other programs reach it through `POST /api_message`, an optional MCP server, A2A and an ACP bridge, with request and response shapes left to the source (11 of 20). An error-retry plugin, saved chats, a message queue, backups and Time Travel snapshots with diff and revert (14 of 20). One Docker command starts it and a wizard sets the model, but there is no SDK and the default has no login (8 of 15).\n- Sculptor (50): Harness reading. Workspaces as isolated copies, review and merge back, and built-in skills (50).\n\n### Transparency \u0026 trust: Agent Zero +7\n\n- Agent Zero (64): MIT, copyright Agent Zero, s.r.o. (30). No privacy policy for the software was found. The site's cookie notice covers the website, and its terms (14 May 2026) cover the community platform. The docs say where data lives (chats, memory, secrets and settings under `/a0/usr`) and warn that model providers see what is sent to them only in general terms, with no retention statement (8 of 30). Release notes list breaking changes and removals with the release date, and one deprecated alias is named. No deprecation policy or notice period was found (8 of 20, a partial kept). No usage telemetry was found in the source. The update check is described on its settings page, which says it sends only a randomised, hashed install ID and the version number, and the same page turns it off. The ID is a hash of a random per-install token, a pseudonym under this run's reading, so the statement holds (20). 30 + 8 + 8 + 20 = 66.\n- Sculptor (57): MIT (30). Consent-based telemetry documented in the repository (18 of 30). The README warns of drastic changes during the research preview, with no deprecation policy (5). Opt-in telemetry (20). 30 + 18 + 5 + 20 = 73.\n\n## Score by category\n\n| Category | Weight | Agent Zero | Sculptor | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 57 | 43 | Agent Zero +14 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 64 | 45 | Agent Zero +19 |\n| Agent ergonomics | 13% (16.2 this run) | 62 | 50 | Agent Zero +12 |\n| Security \u0026 auth | 14% (17.5 this run) | 54 | 57 | Sculptor +3 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 60 | 60 | even |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 75 | 75 | even |\n| Transparency \u0026 trust | 7% (8.8 this run) | 64 | 57 | Agent Zero +7 |\n| Negative events | ≤15 | -15 | 0 | |\n| **Total** | | **46 · D** | **53.1 · D** | |\n\n## Facts side by side\n\n| Fact | Agent Zero | Sculptor |\n| --- | --- | --- |\n| Kind | Agent harness | Agent harness |\n| Vendor | Agent Zero, s.r.o. | Imbue, Inc. |\n| Hosted endpoint | no (local only) | no (local only) |\n| Transports |  |  |\n| Auth | None | None |\n| Pricing | Free | Free |\n| x402 | no | no |\n| Licence | MIT | MIT |\n| Read-only variant documented | no | no |\n| llms.txt | yes | no |\n| Last release | 2026-11-01 | 2026-11-06 |\n| Terms last updated | no document linked | no document linked |\n| Privacy policy last updated | no document linked | no document linked |\n| Popularity | 19k stars | none |\n\n## How the scores have moved\n\n### Agent Zero\n\n- -8.6 on 4 November 2026 (C to D): correction\n- +0.3 on 28 October 2026: new evidence\n- +0.1 on 27 October 2026: checklist\n\n### Sculptor\n\nNo score change since it was listed.\n\n## Verdicts\n\n**Agent Zero.** Self-hosted under the MIT licence, with seven releases from 12 August to 1 November 2026 and breaking changes listed in minor-release notes. The agent runs shell commands in its container with no approval step, the web interface has no login by default, and eight CVEs from the past year were published by third parties with no vendor advisory.\n\n**Sculptor.** Imbue's open-source app for parallel coding agents in isolated workspaces, with telemetry off until you choose otherwise. It's an experimental research preview that warns of bugs and drastic changes, Mac and Linux only, with no changelog.\n\n## Before you call either\n\n### Agent Zero\n\n1. Set a UI login and password in Settings before publishing the port or opening a tunnel. The default has none\n2. Fill `allowed_users`, `allowed_numbers` or `sender_whitelist` before enabling a channel. An empty list accepts every sender\n3. Enable the Infection Check plugin when the agent reads mail, web pages or MCP results. It ships disabled\n4. Run v2.12 or later. It fixes a Telegram webhook authentication bypass and a WhatsApp media path traversal\n5. Call `POST /api_message` with the `X-API-KEY` header. The token changes when the UI login or password changes\n\n### Sculptor\n\n1. Download from the README's links, connect a repository and create a workspace before prompting\n2. Review the diff before merging a workspace back to main\n\n## Questions\n\n### Which is better for AI agents, Agent Zero or Sculptor?\n\nSculptor scores 53.1 (D) on agent readiness against Agent Zero's 46 (D), and leads in 1 of 7 scored categories. Agent Zero leads on reliability, schema \u0026 documentation, agent ergonomics and transparency \u0026 trust.\n\n### Are Agent Zero and Sculptor open source?\n\nYes. Agent Zero is open source (MIT). Sculptor is open source (MIT).\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/agent-zero-vs-sculptor.json, and with the fewest tokens: https://www.anchorterminal.com/compare/agent-zero-vs-sculptor.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"agent-zero\", \"b\": \"sculptor\"}`. From a terminal: `anchor compare agent-zero sculptor`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/agent-zero.json and https://www.anchorterminal.com/api/v1/tools/sculptor.json\n\n## Other comparisons with Agent Zero or Sculptor\n\n- [Agent Zero vs Aider](https://www.anchorterminal.com/compare/agent-zero-vs-aider.md)\n- [Agent Zero vs Amp](https://www.anchorterminal.com/compare/agent-zero-vs-amp.md)\n- [Agent Zero vs Antigravity CLI](https://www.anchorterminal.com/compare/agent-zero-vs-antigravity-cli.md)\n- [Agent Zero vs Auggie CLI](https://www.anchorterminal.com/compare/agent-zero-vs-auggie.md)\n- [Agent Zero vs AXLR](https://www.anchorterminal.com/compare/agent-zero-vs-axlr.md)\n- [Agent Zero vs Claude Code](https://www.anchorterminal.com/compare/agent-zero-vs-claude-code.md)\n- [Agent Zero vs Cline](https://www.anchorterminal.com/compare/agent-zero-vs-cline.md)\n- [Agent Zero vs Conductor](https://www.anchorterminal.com/compare/agent-zero-vs-conductor.md)\n- [Agent Zero vs Crush](https://www.anchorterminal.com/compare/agent-zero-vs-crush.md)\n- [Agent Zero vs Cursor CLI](https://www.anchorterminal.com/compare/agent-zero-vs-cursor-cli.md)\n- [Agent Zero vs DeepSeek Harness (dsh)](https://www.anchorterminal.com/compare/agent-zero-vs-deepseek-harness.md)\n- [Agent Zero vs dsh-superagent (DeepSeek)](https://www.anchorterminal.com/compare/agent-zero-vs-deepseek-superagent.md)\n- [Agent Zero vs Devin](https://www.anchorterminal.com/compare/agent-zero-vs-devin.md)\n- [Agent Zero vs Droid CLI](https://www.anchorterminal.com/compare/agent-zero-vs-droid-cli.md)\n- [Agent Zero vs Pi](https://www.anchorterminal.com/compare/agent-zero-vs-earendil-pi.md)\n- [Agent Zero vs Emdash](https://www.anchorterminal.com/compare/agent-zero-vs-emdash.md)\n- [Agent Zero vs Gemini CLI](https://www.anchorterminal.com/compare/agent-zero-vs-gemini-cli.md)\n- [Agent Zero vs GitHub Copilot CLI](https://www.anchorterminal.com/compare/agent-zero-vs-github-copilot-cli.md)\n- [Agent Zero vs goose](https://www.anchorterminal.com/compare/agent-zero-vs-goose.md)\n- [Agent Zero vs Harness²](https://www.anchorterminal.com/compare/agent-zero-vs-harness2.md)\n- [Agent Zero vs HarnessRouter](https://www.anchorterminal.com/compare/agent-zero-vs-harnessrouter.md)\n- [Agent Zero vs Jules](https://www.anchorterminal.com/compare/agent-zero-vs-jules.md)\n- [Agent Zero vs Junie CLI](https://www.anchorterminal.com/compare/agent-zero-vs-junie.md)\n- [Agent Zero vs Kilo Code CLI](https://www.anchorterminal.com/compare/agent-zero-vs-kilo-code-cli.md)\n- [Agent Zero vs Kimi Code CLI](https://www.anchorterminal.com/compare/agent-zero-vs-kimi-code-cli.md)\n- [Agent Zero vs Kiro CLI](https://www.anchorterminal.com/compare/agent-zero-vs-kiro-cli.md)\n- [Agent Zero vs Letta](https://www.anchorterminal.com/compare/agent-zero-vs-letta.md)\n- [Agent Zero vs mini-swe-agent](https://www.anchorterminal.com/compare/agent-zero-vs-mini-swe-agent.md)\n- [Agent Zero vs MiniMax Code](https://www.anchorterminal.com/compare/agent-zero-vs-minimax-code.md)\n- [Agent Zero vs Mistral Vibe CLI](https://www.anchorterminal.com/compare/agent-zero-vs-mistral-vibe-cli.md)\n- [Agent Zero vs Muse Code](https://www.anchorterminal.com/compare/agent-zero-vs-muse-code.md)\n- [Agent Zero vs OpenAI Agents API](https://www.anchorterminal.com/compare/agent-zero-vs-openai-agents-api.md)\n- [Agent Zero vs OpenAI Codex](https://www.anchorterminal.com/compare/agent-zero-vs-openai-codex.md)\n- [Agent Zero vs OpenCode](https://www.anchorterminal.com/compare/agent-zero-vs-opencode.md)\n- [Agent Zero vs OpenHands](https://www.anchorterminal.com/compare/agent-zero-vs-openhands.md)\n- [Agent Zero vs OpenMausBot](https://www.anchorterminal.com/compare/agent-zero-vs-openmausbot.md)\n- [Agent Zero vs Orca](https://www.anchorterminal.com/compare/agent-zero-vs-orca.md)\n- [Agent Zero vs Paseo](https://www.anchorterminal.com/compare/agent-zero-vs-paseo.md)\n- [Agent Zero vs Prime Agent](https://www.anchorterminal.com/compare/agent-zero-vs-prime-agent.md)\n- [Agent Zero vs Qoder CLI](https://www.anchorterminal.com/compare/agent-zero-vs-qoder-cli.md)\n- [Agent Zero vs Qwen Code](https://www.anchorterminal.com/compare/agent-zero-vs-qwen-code.md)\n- [Agent Zero vs Mirror CLI](https://www.anchorterminal.com/compare/agent-zero-vs-reflection-mirror.md)\n- [Agent Zero vs Rovo Dev CLI](https://www.anchorterminal.com/compare/agent-zero-vs-rovo-dev-cli.md)\n- [Agent Zero vs T3 Code](https://www.anchorterminal.com/compare/agent-zero-vs-t3-code.md)\n- [Agent Zero vs Traycer](https://www.anchorterminal.com/compare/agent-zero-vs-traycer.md)\n- [Agent Zero vs Unstoppable](https://www.anchorterminal.com/compare/agent-zero-vs-unstoppable.md)\n- [Agent Zero vs Verdent](https://www.anchorterminal.com/compare/agent-zero-vs-verdent.md)\n- [Agent Zero vs Vibe-Trading](https://www.anchorterminal.com/compare/agent-zero-vs-vibe-trading.md)\n- [Agent Zero vs Warp (Warp Agent CLI and the Oz Agent API)](https://www.anchorterminal.com/compare/agent-zero-vs-warp.md)\n- [Aider vs Sculptor](https://www.anchorterminal.com/compare/aider-vs-sculptor.md)\n- [Amp vs Sculptor](https://www.anchorterminal.com/compare/amp-vs-sculptor.md)\n- [Antigravity CLI vs Sculptor](https://www.anchorterminal.com/compare/antigravity-cli-vs-sculptor.md)\n- [Auggie CLI vs Sculptor](https://www.anchorterminal.com/compare/auggie-vs-sculptor.md)\n- [AXLR vs Sculptor](https://www.anchorterminal.com/compare/axlr-vs-sculptor.md)\n- [Claude Code vs Sculptor](https://www.anchorterminal.com/compare/claude-code-vs-sculptor.md)\n- [Cline vs Sculptor](https://www.anchorterminal.com/compare/cline-vs-sculptor.md)\n- [Conductor vs Sculptor](https://www.anchorterminal.com/compare/conductor-vs-sculptor.md)\n- [Crush vs Sculptor](https://www.anchorterminal.com/compare/crush-vs-sculptor.md)\n- [Cursor CLI vs Sculptor](https://www.anchorterminal.com/compare/cursor-cli-vs-sculptor.md)\n- [DeepSeek Harness (dsh) vs Sculptor](https://www.anchorterminal.com/compare/deepseek-harness-vs-sculptor.md)\n- [dsh-superagent (DeepSeek) vs Sculptor](https://www.anchorterminal.com/compare/deepseek-superagent-vs-sculptor.md)\n- [Devin vs Sculptor](https://www.anchorterminal.com/compare/devin-vs-sculptor.md)\n- [Droid CLI vs Sculptor](https://www.anchorterminal.com/compare/droid-cli-vs-sculptor.md)\n- [Pi vs Sculptor](https://www.anchorterminal.com/compare/earendil-pi-vs-sculptor.md)\n- [Emdash vs Sculptor](https://www.anchorterminal.com/compare/emdash-vs-sculptor.md)\n- [Gemini CLI vs Sculptor](https://www.anchorterminal.com/compare/gemini-cli-vs-sculptor.md)\n- [GitHub Copilot CLI vs Sculptor](https://www.anchorterminal.com/compare/github-copilot-cli-vs-sculptor.md)\n- [goose vs Sculptor](https://www.anchorterminal.com/compare/goose-vs-sculptor.md)\n- [Harness² vs Sculptor](https://www.anchorterminal.com/compare/harness2-vs-sculptor.md)\n- [HarnessRouter vs Sculptor](https://www.anchorterminal.com/compare/harnessrouter-vs-sculptor.md)\n- [Jules vs Sculptor](https://www.anchorterminal.com/compare/jules-vs-sculptor.md)\n- [Junie CLI vs Sculptor](https://www.anchorterminal.com/compare/junie-vs-sculptor.md)\n- [Kilo Code CLI vs Sculptor](https://www.anchorterminal.com/compare/kilo-code-cli-vs-sculptor.md)\n- [Kimi Code CLI vs Sculptor](https://www.anchorterminal.com/compare/kimi-code-cli-vs-sculptor.md)\n- [Kiro CLI vs Sculptor](https://www.anchorterminal.com/compare/kiro-cli-vs-sculptor.md)\n- [Letta vs Sculptor](https://www.anchorterminal.com/compare/letta-vs-sculptor.md)\n- [mini-swe-agent vs Sculptor](https://www.anchorterminal.com/compare/mini-swe-agent-vs-sculptor.md)\n- [MiniMax Code vs Sculptor](https://www.anchorterminal.com/compare/minimax-code-vs-sculptor.md)\n- [Mistral Vibe CLI vs Sculptor](https://www.anchorterminal.com/compare/mistral-vibe-cli-vs-sculptor.md)\n- [Muse Code vs Sculptor](https://www.anchorterminal.com/compare/muse-code-vs-sculptor.md)\n- [OpenAI Agents API vs Sculptor](https://www.anchorterminal.com/compare/openai-agents-api-vs-sculptor.md)\n- [OpenAI Codex vs Sculptor](https://www.anchorterminal.com/compare/openai-codex-vs-sculptor.md)\n- [OpenCode vs Sculptor](https://www.anchorterminal.com/compare/opencode-vs-sculptor.md)\n- [OpenHands vs Sculptor](https://www.anchorterminal.com/compare/openhands-vs-sculptor.md)\n- [Orca vs Sculptor](https://www.anchorterminal.com/compare/orca-vs-sculptor.md)\n- [Paseo vs Sculptor](https://www.anchorterminal.com/compare/paseo-vs-sculptor.md)\n- [Prime Agent vs Sculptor](https://www.anchorterminal.com/compare/prime-agent-vs-sculptor.md)\n- [Qoder CLI vs Sculptor](https://www.anchorterminal.com/compare/qoder-cli-vs-sculptor.md)\n- [Qwen Code vs Sculptor](https://www.anchorterminal.com/compare/qwen-code-vs-sculptor.md)\n- [Mirror CLI vs Sculptor](https://www.anchorterminal.com/compare/reflection-mirror-vs-sculptor.md)\n- [Rovo Dev CLI vs Sculptor](https://www.anchorterminal.com/compare/rovo-dev-cli-vs-sculptor.md)\n- [Sculptor vs T3 Code](https://www.anchorterminal.com/compare/sculptor-vs-t3-code.md)\n- [Sculptor vs Traycer](https://www.anchorterminal.com/compare/sculptor-vs-traycer.md)\n- [Sculptor vs Unstoppable](https://www.anchorterminal.com/compare/sculptor-vs-unstoppable.md)\n- [Sculptor vs Verdent](https://www.anchorterminal.com/compare/sculptor-vs-verdent.md)\n- [Sculptor vs Vibe-Trading](https://www.anchorterminal.com/compare/sculptor-vs-vibe-trading.md)\n- [Sculptor vs Warp (Warp Agent CLI and the Oz Agent API)](https://www.anchorterminal.com/compare/sculptor-vs-warp.md)\n- [Clawboo vs 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