{
  "data": {
    "a": {
      "slug": "devin",
      "name": "Devin",
      "vendor": "Cognition AI, Inc.",
      "vendorUrl": "https://devin.ai",
      "kind": "harness",
      "category": "agent-harnesses",
      "summary": "Devin is Cognition's hosted coding agent. It works in its own cloud virtual machine to plan, edit code, run commands and open pull requests. Outside agents start and steer sessions through a REST API and a remote MCP server.",
      "url": "https://www.anchorterminal.com/tools/devin",
      "markdownUrl": "https://www.anchorterminal.com/tools/devin.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/devin.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/devin.json",
      "license": "Proprietary service under Cognition's Platform Terms of Service",
      "transports": [
        "http"
      ],
      "remoteUrl": "https://mcp.devin.ai/mcp",
      "packages": [],
      "auth": "api-key",
      "authNotes": "A Bearer token with the `cog_` prefix on every request to https://api.devin.ai/v3. Service-user keys are provisioned by a person in Settings \u003e Devin API, shown once, and carry a role (Admin or Member on Teams, custom roles on Enterprise). Personal access tokens act as the user who made them and can expire. Legacy `apk_` keys work only with the deprecated v1 and v2 APIs. The MCP server takes the same keys, and enterprise keys and personal tokens add an `X-Org-Id` header. Access is self-serve, with no app review or sales approval for Teams.",
      "pricing": "freemium",
      "pricingNotes": "Free $0, Pro $20 a month, Max $200 a month, Teams $80 a month minimum with full seats at $40 each, Enterprise by quote (devin.ai/pricing, checked 2026-10-08). Paid plans include a daily or weekly usage quota, then prepaid on-demand credits described as usage at API pricing, with no unit rate on the page. The pricing page lists cloud agents from Pro upward, while the docs say Free includes limited Devin usage. Whether the API works on Free, and whether signup needs a card, wasn't established.",
      "priceSummary": "$20 / mo",
      "where": "hosted",
      "x402": {
        "level": "no",
        "evidence": "No x402, MPP or L402 in the docs index, the v3 OpenAPI spec or the pricing page (checked 2026-10-08).",
        "endpoints": []
      },
      "toolCount": 13,
      "popularity": {
        "githubStars": null,
        "npmWeekly": null,
        "pypiWeekly": null,
        "asOf": "2026-10-08"
      },
      "docsUrl": "https://docs.devin.ai",
      "llmsTxt": "https://docs.devin.ai/llms.txt",
      "openapi": "https://docs.devin.ai/v3-openapi.yaml",
      "capabilities": [
        "agent.harness",
        "agent.mcp-client",
        "agent.multi-agent"
      ],
      "tags": [
        "hosted",
        "cloud-agent",
        "closed-source",
        "api-key",
        "rbac",
        "openapi",
        "llms-txt",
        "mcp",
        "status-page",
        "soc2",
        "freemium"
      ],
      "lastRelease": "2026-10-07",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 55.7,
        "grade": "C",
        "agentReady": false,
        "rank": 758,
        "ranked": true,
        "rankOf": 1218,
        "categoryRank": 29,
        "methodology": "0.7",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 62,
          "maintenance": 63,
          "payments": 20,
          "reliability": 30,
          "schema": 80,
          "security": 72,
          "transparency": 69
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-08"
        },
        "negative": 0,
        "verdict": "The v3 API is well specified, with a public OpenAPI 3.1 file covering 239 operations, problem+json errors, cursor pagination and service-user keys tied to roles. The status page records three critical and several major incidents on the cloud agent between 22 July and 24 September 2026, and no rate limit figures or retry guidance were found in the reviewed documentation.",
        "bestFor": "A team that wants to hand whole tasks to a cloud agent and collect pull requests, driven from a pipeline or another agent.",
        "strengths": [
          "Public OpenAPI 3.1 spec for the v3 API with 239 operations, each declaring 401, 403, 404, 409, 422 and 429 responses in RFC 9457 problem+json",
          "Service-user keys carry a role, every endpoint except GET /v3/self names the permission it needs, and audit logs list service users separately from people",
          "Security profiles can limit a session to a network allowlist, an MCP server allowlist, read-only git and a read-only Devin MCP",
          "Remote MCP server at mcp.devin.ai/mcp with 13 documented tools for sessions, playbooks, knowledge, schedules and repository documentation",
          "Dated release notes several times a week, the newest on 7 October 2026, and a separate API release notes page"
        ],
        "weaknesses": [
          "www.devinstatus.com lists three critical incidents (22 July, 13 August, 24 September 2026) and six major ones on the cloud agent or web app since 10 July 2026",
          "No rate limit figures, Retry-After or backoff guidance found in the API docs, and v3 session creation has no idempotency key",
          "Customer data may be used for model training by default on self-serve plans. The opt-out is for paid plans only, per section 3.3.1 of the platform terms",
          "A person must sign up and provision the service user in the web app. No key-creation route exists for an agent starting from nothing",
          "No official SDK found, and the Devin MCP server was not found in the official MCP registry"
        ],
        "agentNotes": [
          "Use a `cog_` service-user key with the Member role. Legacy `apk_` keys fail against v3 and the MCP server with 401 or 403",
          "Set `max_acu_limit` on every session you create. Usage is metered by the work done and has no published unit rate",
          "Session creation is not idempotent in v3. After a timeout, list sessions by tag before creating again",
          "Enterprise keys and personal access tokens must send `X-Org-Id` to the MCP server. Organisation-scoped keys resolve it automatically",
          "Create scheduled work as an automation. POST to the schedules endpoint returns 403 for migrated organisations since 24 September 2026"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 0,
        "avgRating": 0,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "C",
            "methodology": "0.7",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 55.7
          }
        ],
        "editorialScores": {
          "ergonomics": 62,
          "maintenance": 63,
          "payments": 20,
          "reliability": 30,
          "schema": 80,
          "security": 72,
          "transparency": 61
        },
        "provenanceScore": 77,
        "checked": {
          "categories": {
            "ergonomics": "2026-10-08",
            "maintenance": "2026-10-08",
            "payments": "2026-10-08",
            "reliability": "2026-10-08",
            "schema": "2026-10-08",
            "security": "2026-10-08",
            "transparency": "2026-10-08"
          },
          "last": "2026-10-08",
          "oldest": "2026-10-08",
          "stale": false,
          "staleAfterDays": 90
        }
      },
      "connect": {
        "http": "curl -X POST \"https://api.devin.ai/v3/organizations/$DEVIN_ORG_ID/sessions\" -H \"Authorization: Bearer $DEVIN_API_KEY\" -H \"Content-Type: application/json\" -d '{\"prompt\": \"Create a simple Python script that prints Hello World\"}'",
        "config": {
          "mcpServers": {
            "devin": {
              "headers": {
                "Authorization": "Bearer \u003cAPI_KEY\u003e",
                "X-Org-Id": "\u003cYOUR_ORG_ID\u003e"
              },
              "serverUrl": "https://mcp.devin.ai/mcp"
            }
          }
        }
      },
      "letme": {
        "capability": "https://letme.dev/agent.harness",
        "tool": "https://letme.dev/devin"
      },
      "area": "frameworks",
      "unitPrices": [
        {
          "item": "Pro plan",
          "unit": "month",
          "usd": 20,
          "note": "one user, daily and weekly usage quota"
        },
        {
          "item": "Max plan",
          "unit": "month",
          "usd": 200,
          "note": "one user, larger weekly quota"
        },
        {
          "item": "Teams full seat",
          "unit": "seat-month",
          "usd": 40,
          "note": "$80 a month minimum per team, flex seats free and billed from shared credits"
        }
      ],
      "provenance": {
        "legalEntity": "Cognition AI, Inc.",
        "domain": "devin.ai",
        "domainRegistered": "2022-12-06",
        "endpointOnVendorDomain": true,
        "terms": "https://cognition.com/legal/platform-terms-of-service",
        "privacy": "https://cognition.com/legal/privacy-policy",
        "statusPage": "https://www.devinstatus.com",
        "changelog": "https://docs.devin.ai/release-notes/overview",
        "securityTxt": "none",
        "checked": "2026-10-08",
        "notes": [
          "The Platform Terms of Service (last updated 30 June 2026) name Cognition AI, Inc. and govern the Cognition Platform for customers who register and use the services. Enterprise customers sign separate Enterprise Terms of Service.",
          "The privacy policy (last updated 9 March 2026) names Cognition AI, Inc and covers Devin and Windsurf as well as cognition.com. The data processing agreement gives the address 550 Third Street, San Francisco, CA 94107.",
          "devin.ai, cognition.com and api.devin.ai all return 404 for /.well-known/security.txt. The docs give security@cognition.ai for vulnerability reports.",
          "The API answers at api.devin.ai and the MCP server at mcp.devin.ai. status.devin.ai redirects to www.devinstatus.com.",
          "RDAP for devin.ai gives a registration date of 2022-12-06."
        ],
        "score": 77
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/devin.json",
      "live": {
        "slug": "devin",
        "probe": {
          "target": "https://mcp.devin.ai/mcp",
          "method": "get",
          "lastAt": "2026-10-28T00:56:25.612257495Z",
          "lastOk": true,
          "lastStatus": 401,
          "lastMs": 457,
          "lastNote": "asks for credentials",
          "authRequired": true,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 443,
          "p95ms24h": 492,
          "samples24h": 250,
          "samples30d": 4845,
          "days": [
            {
              "date": "2026-10-08",
              "probes": 70,
              "ok": 70
            },
            {
              "date": "2026-10-09",
              "probes": 250,
              "ok": 250
            },
            {
              "date": "2026-10-10",
              "probes": 247,
              "ok": 247
            },
            {
              "date": "2026-10-11",
              "probes": 247,
              "ok": 247
            },
            {
              "date": "2026-10-12",
              "probes": 247,
              "ok": 247
            },
            {
              "date": "2026-10-13",
              "probes": 248,
              "ok": 248
            },
            {
              "date": "2026-10-14",
              "probes": 249,
              "ok": 249
            },
            {
              "date": "2026-10-15",
              "probes": 253,
              "ok": 253
            },
            {
              "date": "2026-10-16",
              "probes": 252,
              "ok": 252
            },
            {
              "date": "2026-10-17",
              "probes": 253,
              "ok": 253
            },
            {
              "date": "2026-10-18",
              "probes": 256,
              "ok": 256
            },
            {
              "date": "2026-10-19",
              "probes": 255,
              "ok": 255
            },
            {
              "date": "2026-10-20",
              "probes": 252,
              "ok": 252
            },
            {
              "date": "2026-10-21",
              "probes": 253,
              "ok": 253
            },
            {
              "date": "2026-10-22",
              "probes": 253,
              "ok": 253
            },
            {
              "date": "2026-10-23",
              "probes": 248,
              "ok": 248
            },
            {
              "date": "2026-10-24",
              "probes": 251,
              "ok": 251
            },
            {
              "date": "2026-10-25",
              "probes": 250,
              "ok": 250
            },
            {
              "date": "2026-10-26",
              "probes": 252,
              "ok": 252
            },
            {
              "date": "2026-10-27",
              "probes": 249,
              "ok": 249
            },
            {
              "date": "2026-10-28",
              "probes": 10,
              "ok": 10
            }
          ]
        },
        "vendorStatus": {
          "page": "https://www.devinstatus.com",
          "indicator": "none",
          "summary": "All Systems Operational",
          "checkedAt": "2026-10-28T00:55:54.330374603Z"
        },
        "securityTxt": {
          "url": "https://devin.ai/.well-known/security.txt",
          "state": "none",
          "checkedAt": "2026-10-27T15:32:26.837601223Z"
        },
        "llmsTxt": {
          "url": "https://docs.devin.ai/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-10-27T14:57:49.128879044Z"
        },
        "domain": {
          "domain": "devin.ai",
          "registered": "2022-12-06",
          "source": "https://rdap.identitydigital.services/rdap/domain/devin.ai",
          "checkedAt": "2026-10-25T13:52:58.58803569Z"
        },
        "pages": [
          {
            "url": "https://docs.devin.ai/release-notes/overview",
            "kind": "changelog",
            "status": 200,
            "checkedAt": "2026-10-27T03:44:03.43614627Z",
            "changedAt": "2026-10-27T03:44:03.43614627Z",
            "fingerprint": "a800cc81d690"
          },
          {
            "url": "https://cognition.com/legal/privacy-policy",
            "kind": "privacy",
            "status": 200,
            "checkedAt": "2026-10-27T03:40:45.211757948Z",
            "changedAt": "2026-10-27T03:40:45.211757948Z",
            "fingerprint": "c7ff7ef6261d"
          },
          {
            "url": "https://cognition.com/legal/platform-terms-of-service",
            "kind": "terms",
            "status": 200,
            "checkedAt": "2026-10-27T03:40:42.911014275Z",
            "changedAt": "2026-10-27T03:40:42.911014275Z",
            "fingerprint": "5b2f0650a5cf"
          }
        ],
        "updatedAt": "2026-10-28T00:56:25.612257495Z"
      }
    },
    "answer": "Devin scores 55.7 (C) on agent readiness against Unstoppable's 34.9 (F), and leads in 5 of 7 scored categories. Unstoppable leads on reliability and payments \u0026 pricing.",
    "b": {
      "slug": "unstoppable",
      "name": "Unstoppable",
      "vendor": "Unstoppable Domains, Inc.",
      "vendorUrl": "https://unstoppable.ai/",
      "kind": "harness",
      "category": "agent-harnesses",
      "summary": "Unstoppable, from Unstoppable Domains, is a desktop agent IDE for macOS and Windows that runs Claude Code, Codex, Cursor and other coding agents side by side in separate Git worktrees, with Remote Control from iOS, Android and the web.",
      "url": "https://www.anchorterminal.com/tools/unstoppable",
      "markdownUrl": "https://www.anchorterminal.com/tools/unstoppable.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/unstoppable.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/unstoppable.json",
      "license": "Proprietary, under Unstoppable Domains, Inc.'s Terms of Service. No source published",
      "transports": [],
      "packages": [],
      "auth": "none",
      "authNotes": "No credential for an outside agent, because the app exposes no agent interface. A person can use the desktop app as a guest, or sign in through the browser with Google or GitHub, with optional authenticator-app two-factor authentication. Claude, Codex and Cursor connect through their own sign-ins in Settings, Accounts.",
      "pricing": "freemium",
      "pricingNotes": "Free to download, and the app is published as free. Agents run on the owner's Claude, ChatGPT or Cursor plan, on Ollama locally, or on AI credits. 10 free AI credits a day once turned on, no card. Credit prices appear only after sign-in. A 14 October post says a plan may not include Remote Control, and an 11 August post lists $19, $29 and $49 plans that no pricing page shows.",
      "priceSummary": "Freemium",
      "where": "local",
      "x402": {
        "level": "no",
        "evidence": "No x402, MPP or L402 on the site, the help centre, the terms or llms.txt (checked 2026-10-27). AI credits are bought on the billing page after sign-in; the site's content security policy allows Stripe.",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": null,
        "npmWeekly": null,
        "pypiWeekly": null,
        "asOf": "2026-10-27"
      },
      "docsUrl": "https://unstoppable.ai/support",
      "llmsTxt": "https://unstoppable.ai/llms.txt",
      "capabilities": [
        "agent.multi-agent",
        "agent.harness",
        "agent.mcp-client",
        "code.git",
        "browser.control"
      ],
      "tags": [
        "not-for-agents",
        "closed-source",
        "desktop-app",
        "macos",
        "windows",
        "ios",
        "android",
        "local",
        "hosted",
        "cloud-agent",
        "freemium",
        "byo-plan",
        "no-card",
        "approvals",
        "llms-txt",
        "new"
      ],
      "lastRelease": "2026-10-23",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 34.9,
        "grade": "F",
        "agentReady": false,
        "rank": 1133,
        "ranked": true,
        "rankOf": 1218,
        "categoryRank": 42,
        "methodology": "0.7",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 5,
          "maintenance": 58,
          "payments": 30,
          "reliability": 45,
          "schema": 30,
          "security": 36,
          "transparency": 58
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-27"
        },
        "negative": 0,
        "verdict": "Unstoppable runs several coding agents side by side in separate worktrees on the owner's Claude, ChatGPT or Cursor plans, with dated help articles and a public changelog. It has no API, MCP server or documented command an outside agent can call, every chat starts in Full access, and its pages disagree on which parts need a paid plan.",
        "bestFor": "A developer who runs Claude Code, Codex and Cursor on existing plans and wants parallel worktrees, pipelines and phone check-ins in one app.",
        "strengths": [
          "Each task runs in its own Git worktree, so parallel agents don't overwrite each other, and the app opens the pull request when asked",
          "Runs Claude Code, Codex and Cursor on the owner's own plans, Ollama models locally, or hosted models on AI credits, with 10 free credits a day and no card",
          "Activity sharing to Unstoppable's cloud is Off for every activity type on every plan by default, and secrets are removed before any upload, per the privacy policy",
          "Approval modes Ask and Accept edits with allow and deny rules by command, file write, MCP tool or network host, where deny wins and safety rules block force-pushes",
          "A dated changelog for versions 1.12.0 to 1.15.0 (20 to 23 October 2026) and 22 help articles updated between 19 and 24 October 2026"
        ],
        "weaknesses": [
          "No API, MCP server, SDK or documented CLI for an outside agent. A Linux command-line tool and MCP tools for cloud tasks appear only in changelog lines",
          "Every kind of chat starts in Full access, which skips approval prompts and the safety rules for risky commands, until the person changes the default",
          "The home page says every app feature is free when signed in, while a 14 October post says a plan may not include Remote Control and the governance page ties controls to subscriptions",
          "AI credit prices are shown only after sign-in, and no status page covers the accounts, cloud agents or Remote Control relay",
          "No security.txt on unstoppable.ai. The parent's security.txt expired on 22 January 2024 and its bug bounty policy link returns 404"
        ],
        "agentNotes": [
          "Don't plan to drive Unstoppable from another agent. It has no documented API, MCP server or CLI. Call Claude Code, Codex or Cursor directly and let the person use Unstoppable around them",
          "Inside Unstoppable, check the approval mode before acting. New chats start in Full access unless the person set Ask or Accept edits in Settings, Approvals",
          "When a Claude or Codex usage limit is reached, ask the person before choosing Use credits now or Always use credits, since both spend their AI credits",
          "Keep each task in its own worktree and let the person review the diff and press Create PR, rather than pushing to a shared branch"
        ],
        "metrics": {
          "kind": "local",
          "measured": false
        },
        "reviewCount": 0,
        "avgRating": 0,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "F",
            "methodology": "0.7",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 34.9
          }
        ],
        "editorialScores": {
          "ergonomics": 5,
          "maintenance": 58,
          "payments": 30,
          "reliability": 45,
          "schema": 30,
          "security": 36,
          "transparency": 40
        },
        "provenanceScore": 76,
        "checked": {
          "categories": {
            "ergonomics": "2026-10-27",
            "maintenance": "2026-10-27",
            "payments": "2026-10-27",
            "reliability": "2026-10-27",
            "schema": "2026-10-27",
            "security": "2026-10-27",
            "transparency": "2026-10-27"
          },
          "last": "2026-10-27",
          "oldest": "2026-10-27",
          "stale": false,
          "staleAfterDays": 90
        }
      },
      "letme": {
        "capability": "https://letme.dev/agent.multi-agent",
        "tool": "https://letme.dev/unstoppable"
      },
      "area": "frameworks",
      "provenance": {
        "legalEntity": "Unstoppable Domains, Inc.",
        "domain": "unstoppable.ai",
        "domainRegistered": "2021-01-05",
        "endpointOnVendorDomain": null,
        "terms": "https://unstoppable.ai/terms",
        "privacy": "https://unstoppable.ai/privacy",
        "statusPage": "",
        "changelog": "https://unstoppable.ai/changelog",
        "securityTxt": "none",
        "checked": "2026-10-27",
        "notes": [
          "The terms (effective 6 October 2026) name Unstoppable Domains, Inc., choose Delaware law and AAA arbitration, and cover the desktop app, web surface, a command-line interface and an optional agent cloud.",
          "The privacy policy (effective 8 October 2026) is written for this product and names privacy@unstoppabledomains.com as the contact.",
          "RDAP gives a registration date of 5 January 2021 for unstoppable.ai, with a registrar transfer on 28 July 2026.",
          "unstoppable.ai/.well-known/security.txt returned 404 on 27 October 2026. unstoppabledomains.com/.well-known/security.txt expired on 22 January 2024 and its policy link, /bug-bounty, returns 404.",
          "status.unstoppabledomains.com lists the domains business's web application and APIs, with no component for Unstoppable.ai.",
          "No endpoint an agent calls, so none is recorded."
        ],
        "score": 76
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/unstoppable.json"
    },
    "facts": [
      {
        "a": "Agent harness",
        "b": "Agent harness",
        "name": "Kind"
      },
      {
        "a": "Cognition AI, Inc.",
        "b": "Unstoppable Domains, Inc.",
        "name": "Vendor"
      },
      {
        "a": "https://mcp.devin.ai/mcp",
        "b": "no (local only)",
        "name": "Hosted endpoint"
      },
      {
        "a": "HTTP",
        "b": "",
        "name": "Transports"
      },
      {
        "a": "API key",
        "b": "None",
        "name": "Auth"
      },
      {
        "a": "Freemium",
        "b": "Freemium",
        "name": "Pricing"
      },
      {
        "a": "no",
        "b": "no",
        "name": "x402"
      },
      {
        "a": "Proprietary service under Cognition's Platform Terms of Service",
        "b": "Proprietary, under Unstoppable Domains, Inc.'s Terms of Service. No source published",
        "name": "Licence"
      },
      {
        "a": "13",
        "b": "none",
        "name": "Tools exposed"
      },
      {
        "a": "yes",
        "b": "no",
        "name": "Read-only variant documented"
      },
      {
        "a": "yes",
        "b": "yes",
        "name": "llms.txt"
      },
      {
        "a": "2026-10-07",
        "b": "2026-10-23",
        "name": "Last release"
      },
      {
        "a": "2026-06-30",
        "b": "",
        "name": "Terms last updated"
      },
      {
        "a": "2026-03-09",
        "b": "",
        "name": "Privacy policy last updated"
      },
      {
        "a": "yes, with an opt-out",
        "b": "",
        "name": "Customer content may train models"
      },
      {
        "a": "not found in the text",
        "b": "",
        "name": "Terms restrict automated access"
      },
      {
        "a": "yes",
        "b": "",
        "name": "Terms restrict benchmarking"
      },
      {
        "a": "not found in the text",
        "b": "",
        "name": "Terms or service can change without notice"
      },
      {
        "a": "yes",
        "b": "",
        "name": "Arbitration or class-action waiver"
      }
    ],
    "faq": [
      {
        "answer": "Devin scores 55.7 (C) on agent readiness against Unstoppable's 34.9 (F), and leads in 5 of 7 scored categories. Unstoppable leads on reliability and payments \u0026 pricing.",
        "question": "Which is better for AI agents, Devin or Unstoppable?"
      }
    ],
    "goodFor": [
      {
        "aheadOn": [
          "Schema \u0026 documentation, 80 against 30",
          "Agent ergonomics, 62 against 5",
          "Security \u0026 auth, 72 against 36",
          "Maintenance \u0026 community, 63 against 58",
          "Transparency \u0026 trust, 69 against 58"
        ],
        "also": [
          "A hosted endpoint, with nothing to install"
        ],
        "goodFor": "A team that wants to hand whole tasks to a cloud agent and collect pull requests, driven from a pipeline or another agent.",
        "slug": "devin",
        "watchFor": "www.devinstatus.com lists three critical incidents (22 July, 13 August, 24 September 2026) and six major ones on the cloud agent or web app since 10 July 2026"
      },
      {
        "aheadOn": [
          "Reliability, 45 against 30",
          "Payments \u0026 pricing, 30 against 20"
        ],
        "also": [
          "No key needed to call it",
          "Free to start without a card"
        ],
        "goodFor": "A developer who runs Claude Code, Codex and Cursor on existing plans and wants parallel worktrees, pipelines and phone check-ins in one app.",
        "slug": "unstoppable",
        "watchFor": "No API, MCP server, SDK or documented CLI for an outside agent. A Linux command-line tool and MCP tools for cloud tasks appear only in changelog lines"
      }
    ],
    "job": {
      "capability": "agent.harness",
      "name": "Agent harnesses"
    },
    "others": [
      {
        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-devin.json",
        "title": "Agent Zero vs Devin",
        "url": "https://www.anchorterminal.com/compare/agent-zero-vs-devin"
      },
      {
        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-unstoppable.json",
        "title": "Agent Zero vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/agent-zero-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/aider-vs-devin.json",
        "title": "Aider vs Devin",
        "url": "https://www.anchorterminal.com/compare/aider-vs-devin"
      },
      {
        "json": "https://www.anchorterminal.com/compare/aider-vs-unstoppable.json",
        "title": "Aider vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/aider-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/amp-vs-devin.json",
        "title": "Amp vs Devin",
        "url": "https://www.anchorterminal.com/compare/amp-vs-devin"
      },
      {
        "json": "https://www.anchorterminal.com/compare/amp-vs-unstoppable.json",
        "title": "Amp vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/amp-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/antigravity-cli-vs-devin.json",
        "title": "Antigravity CLI vs Devin",
        "url": "https://www.anchorterminal.com/compare/antigravity-cli-vs-devin"
      },
      {
        "json": "https://www.anchorterminal.com/compare/antigravity-cli-vs-unstoppable.json",
        "title": "Antigravity CLI vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/antigravity-cli-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/auggie-vs-devin.json",
        "title": "Auggie CLI vs Devin",
        "url": "https://www.anchorterminal.com/compare/auggie-vs-devin"
      },
      {
        "json": "https://www.anchorterminal.com/compare/auggie-vs-unstoppable.json",
        "title": "Auggie CLI vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/auggie-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-code-vs-devin.json",
        "title": "Claude Code vs Devin",
        "url": "https://www.anchorterminal.com/compare/claude-code-vs-devin"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-code-vs-unstoppable.json",
        "title": "Claude Code vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/claude-code-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/cline-vs-devin.json",
        "title": "Cline vs Devin",
        "url": "https://www.anchorterminal.com/compare/cline-vs-devin"
      },
      {
        "json": "https://www.anchorterminal.com/compare/cline-vs-unstoppable.json",
        "title": "Cline vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/cline-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/crush-vs-devin.json",
        "title": "Crush vs Devin",
        "url": "https://www.anchorterminal.com/compare/crush-vs-devin"
      },
      {
        "json": "https://www.anchorterminal.com/compare/crush-vs-unstoppable.json",
        "title": "Crush vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/crush-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/cursor-cli-vs-devin.json",
        "title": "Cursor CLI vs Devin",
        "url": "https://www.anchorterminal.com/compare/cursor-cli-vs-devin"
      },
      {
        "json": "https://www.anchorterminal.com/compare/cursor-cli-vs-unstoppable.json",
        "title": "Cursor CLI vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/cursor-cli-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/deepseek-harness-vs-devin.json",
        "title": "DeepSeek Harness (dsh) vs Devin",
        "url": "https://www.anchorterminal.com/compare/deepseek-harness-vs-devin"
      },
      {
        "json": "https://www.anchorterminal.com/compare/deepseek-harness-vs-unstoppable.json",
        "title": "DeepSeek Harness (dsh) vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/deepseek-harness-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/devin-vs-droid-cli.json",
        "title": "Devin vs Droid CLI",
        "url": "https://www.anchorterminal.com/compare/devin-vs-droid-cli"
      },
      {
        "json": "https://www.anchorterminal.com/compare/devin-vs-earendil-pi.json",
        "title": "Devin vs Pi",
        "url": "https://www.anchorterminal.com/compare/devin-vs-earendil-pi"
      },
      {
        "json": "https://www.anchorterminal.com/compare/devin-vs-gemini-cli.json",
        "title": "Devin vs Gemini CLI",
        "url": "https://www.anchorterminal.com/compare/devin-vs-gemini-cli"
      },
      {
        "json": "https://www.anchorterminal.com/compare/devin-vs-github-copilot-cli.json",
        "title": "Devin vs GitHub Copilot CLI",
        "url": "https://www.anchorterminal.com/compare/devin-vs-github-copilot-cli"
      },
      {
        "json": "https://www.anchorterminal.com/compare/devin-vs-goose.json",
        "title": "Devin vs goose",
        "url": "https://www.anchorterminal.com/compare/devin-vs-goose"
      },
      {
        "json": "https://www.anchorterminal.com/compare/devin-vs-harness2.json",
        "title": "Devin vs Harness²",
        "url": "https://www.anchorterminal.com/compare/devin-vs-harness2"
      },
      {
        "json": "https://www.anchorterminal.com/compare/devin-vs-harnessrouter.json",
        "title": "Devin vs HarnessRouter",
        "url": "https://www.anchorterminal.com/compare/devin-vs-harnessrouter"
      },
      {
        "json": "https://www.anchorterminal.com/compare/devin-vs-jules.json",
        "title": "Devin vs Jules",
        "url": "https://www.anchorterminal.com/compare/devin-vs-jules"
      },
      {
        "json": "https://www.anchorterminal.com/compare/devin-vs-junie.json",
        "title": "Devin vs Junie CLI",
        "url": "https://www.anchorterminal.com/compare/devin-vs-junie"
      },
      {
        "json": "https://www.anchorterminal.com/compare/devin-vs-kilo-code-cli.json",
        "title": "Devin vs Kilo Code CLI",
        "url": "https://www.anchorterminal.com/compare/devin-vs-kilo-code-cli"
      },
      {
        "json": "https://www.anchorterminal.com/compare/devin-vs-kimi-code-cli.json",
        "title": "Devin vs Kimi Code CLI",
        "url": "https://www.anchorterminal.com/compare/devin-vs-kimi-code-cli"
      },
      {
        "json": "https://www.anchorterminal.com/compare/devin-vs-kiro-cli.json",
        "title": "Devin vs Kiro CLI",
        "url": "https://www.anchorterminal.com/compare/devin-vs-kiro-cli"
      },
      {
        "json": "https://www.anchorterminal.com/compare/devin-vs-mini-swe-agent.json",
        "title": "Devin vs mini-swe-agent",
        "url": "https://www.anchorterminal.com/compare/devin-vs-mini-swe-agent"
      },
      {
        "json": "https://www.anchorterminal.com/compare/devin-vs-minimax-code.json",
        "title": "Devin vs MiniMax Code",
        "url": "https://www.anchorterminal.com/compare/devin-vs-minimax-code"
      },
      {
        "json": "https://www.anchorterminal.com/compare/devin-vs-mistral-vibe-cli.json",
        "title": "Devin vs Mistral Vibe CLI",
        "url": "https://www.anchorterminal.com/compare/devin-vs-mistral-vibe-cli"
      },
      {
        "json": "https://www.anchorterminal.com/compare/devin-vs-muse-code.json",
        "title": "Devin vs Muse Code",
        "url": "https://www.anchorterminal.com/compare/devin-vs-muse-code"
      },
      {
        "json": "https://www.anchorterminal.com/compare/devin-vs-openai-codex.json",
        "title": "Devin vs OpenAI Codex",
        "url": "https://www.anchorterminal.com/compare/devin-vs-openai-codex"
      },
      {
        "json": "https://www.anchorterminal.com/compare/devin-vs-opencode.json",
        "title": "Devin vs OpenCode",
        "url": "https://www.anchorterminal.com/compare/devin-vs-opencode"
      },
      {
        "json": "https://www.anchorterminal.com/compare/devin-vs-openhands.json",
        "title": "Devin vs OpenHands",
        "url": "https://www.anchorterminal.com/compare/devin-vs-openhands"
      },
      {
        "json": "https://www.anchorterminal.com/compare/devin-vs-prime-agent.json",
        "title": "Devin vs Prime Agent",
        "url": "https://www.anchorterminal.com/compare/devin-vs-prime-agent"
      },
      {
        "json": "https://www.anchorterminal.com/compare/devin-vs-qoder-cli.json",
        "title": "Devin vs Qoder CLI",
        "url": "https://www.anchorterminal.com/compare/devin-vs-qoder-cli"
      },
      {
        "json": "https://www.anchorterminal.com/compare/devin-vs-qwen-code.json",
        "title": "Devin vs Qwen Code",
        "url": "https://www.anchorterminal.com/compare/devin-vs-qwen-code"
      },
      {
        "json": "https://www.anchorterminal.com/compare/devin-vs-reflection-mirror.json",
        "title": "Devin vs Mirror CLI",
        "url": "https://www.anchorterminal.com/compare/devin-vs-reflection-mirror"
      },
      {
        "json": "https://www.anchorterminal.com/compare/devin-vs-rovo-dev-cli.json",
        "title": "Devin vs Rovo Dev CLI",
        "url": "https://www.anchorterminal.com/compare/devin-vs-rovo-dev-cli"
      },
      {
        "json": "https://www.anchorterminal.com/compare/devin-vs-vibe-trading.json",
        "title": "Devin vs Vibe-Trading",
        "url": "https://www.anchorterminal.com/compare/devin-vs-vibe-trading"
      },
      {
        "json": "https://www.anchorterminal.com/compare/devin-vs-warp.json",
        "title": "Devin vs Warp (Warp Agent CLI and the Oz Agent API)",
        "url": "https://www.anchorterminal.com/compare/devin-vs-warp"
      },
      {
        "json": "https://www.anchorterminal.com/compare/droid-cli-vs-unstoppable.json",
        "title": "Droid CLI vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/droid-cli-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/earendil-pi-vs-unstoppable.json",
        "title": "Pi vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/earendil-pi-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/gemini-cli-vs-unstoppable.json",
        "title": "Gemini CLI vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/gemini-cli-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/github-copilot-cli-vs-unstoppable.json",
        "title": "GitHub Copilot CLI vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/github-copilot-cli-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/goose-vs-unstoppable.json",
        "title": "goose vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/goose-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/harness2-vs-unstoppable.json",
        "title": "Harness² vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/harness2-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/harnessrouter-vs-unstoppable.json",
        "title": "HarnessRouter vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/harnessrouter-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/jules-vs-unstoppable.json",
        "title": "Jules vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/jules-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/junie-vs-unstoppable.json",
        "title": "Junie CLI vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/junie-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/kilo-code-cli-vs-unstoppable.json",
        "title": "Kilo Code CLI vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/kilo-code-cli-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/kimi-code-cli-vs-unstoppable.json",
        "title": "Kimi Code CLI vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/kimi-code-cli-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/kiro-cli-vs-unstoppable.json",
        "title": "Kiro CLI vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/kiro-cli-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/mini-swe-agent-vs-unstoppable.json",
        "title": "mini-swe-agent vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/mini-swe-agent-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/minimax-code-vs-unstoppable.json",
        "title": "MiniMax Code vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/minimax-code-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/mistral-vibe-cli-vs-unstoppable.json",
        "title": "Mistral Vibe CLI vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/mistral-vibe-cli-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/muse-code-vs-unstoppable.json",
        "title": "Muse Code vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/muse-code-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/openai-codex-vs-unstoppable.json",
        "title": "OpenAI Codex vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/openai-codex-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/opencode-vs-unstoppable.json",
        "title": "OpenCode vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/opencode-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/openhands-vs-unstoppable.json",
        "title": "OpenHands vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/openhands-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/prime-agent-vs-unstoppable.json",
        "title": "Prime Agent vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/prime-agent-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/qoder-cli-vs-unstoppable.json",
        "title": "Qoder CLI vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/qoder-cli-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/qwen-code-vs-unstoppable.json",
        "title": "Qwen Code vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/qwen-code-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/reflection-mirror-vs-unstoppable.json",
        "title": "Mirror CLI vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/reflection-mirror-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/rovo-dev-cli-vs-unstoppable.json",
        "title": "Rovo Dev CLI vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/rovo-dev-cli-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/cli-manager-vs-devin.json",
        "title": "CLI Manager vs Devin",
        "url": "https://www.anchorterminal.com/compare/cli-manager-vs-devin"
      },
      {
        "json": "https://www.anchorterminal.com/compare/cli-manager-vs-unstoppable.json",
        "title": "CLI Manager vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/cli-manager-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/devin-vs-harness-autonomous.json",
        "title": "Devin vs Harness",
        "url": "https://www.anchorterminal.com/compare/devin-vs-harness-autonomous"
      },
      {
        "json": "https://www.anchorterminal.com/compare/devin-vs-paperclip.json",
        "title": "Devin vs Paperclip",
        "url": "https://www.anchorterminal.com/compare/devin-vs-paperclip"
      },
      {
        "json": "https://www.anchorterminal.com/compare/devin-vs-parallax-agents.json",
        "title": "Devin vs Parallax",
        "url": "https://www.anchorterminal.com/compare/devin-vs-parallax-agents"
      },
      {
        "json": "https://www.anchorterminal.com/compare/harness-autonomous-vs-unstoppable.json",
        "title": "Harness vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/harness-autonomous-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/paperclip-vs-unstoppable.json",
        "title": "Paperclip vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/paperclip-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/parallax-agents-vs-unstoppable.json",
        "title": "Parallax vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/parallax-agents-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/unstoppable-vs-vibe-trading.json",
        "title": "Unstoppable vs Vibe-Trading",
        "url": "https://www.anchorterminal.com/compare/unstoppable-vs-vibe-trading"
      },
      {
        "json": "https://www.anchorterminal.com/compare/unstoppable-vs-warp.json",
        "title": "Unstoppable vs Warp (Warp Agent CLI and the Oz Agent API)",
        "url": "https://www.anchorterminal.com/compare/unstoppable-vs-warp"
      }
    ],
    "scores": [
      {
        "by": 15,
        "devin": 30,
        "edge": "unstoppable",
        "key": "reliability",
        "name": "Reliability",
        "unstoppable": 45,
        "weight": 16
      },
      {
        "key": "performance",
        "name": "Performance",
        "pending": true,
        "weight": 10
      },
      {
        "by": 50,
        "devin": 80,
        "edge": "devin",
        "key": "schema",
        "name": "Schema \u0026 documentation",
        "unstoppable": 30,
        "weight": 13
      },
      {
        "by": 57,
        "devin": 62,
        "edge": "devin",
        "key": "ergonomics",
        "name": "Agent ergonomics",
        "unstoppable": 5,
        "weight": 13
      },
      {
        "by": 36,
        "devin": 72,
        "edge": "devin",
        "key": "security",
        "name": "Security \u0026 auth",
        "unstoppable": 36,
        "weight": 14
      },
      {
        "by": 10,
        "devin": 20,
        "edge": "unstoppable",
        "key": "payments",
        "name": "Payments \u0026 pricing",
        "unstoppable": 30,
        "weight": 10
      },
      {
        "key": "tasks",
        "name": "Task success",
        "pending": true,
        "weight": 10
      },
      {
        "by": 5,
        "devin": 63,
        "edge": "devin",
        "key": "maintenance",
        "name": "Maintenance \u0026 community",
        "unstoppable": 58,
        "weight": 7
      },
      {
        "by": 11,
        "devin": 69,
        "edge": "devin",
        "key": "transparency",
        "name": "Transparency \u0026 trust",
        "unstoppable": 58,
        "weight": 7
      }
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    "summary": "Devin scores 55.7 (C) on agent readiness against Unstoppable's 34.9 (F), and leads in 5 of 7 scored categories. Unstoppable leads on reliability and payments \u0026 pricing. Both do agent harnesses.",
    "tutorials": [],
    "verdicts": {
      "devin": "The v3 API is well specified, with a public OpenAPI 3.1 file covering 239 operations, problem+json errors, cursor pagination and service-user keys tied to roles. The status page records three critical and several major incidents on the cloud agent between 22 July and 24 September 2026, and no rate limit figures or retry guidance were found in the reviewed documentation.",
      "unstoppable": "Unstoppable runs several coding agents side by side in separate worktrees on the owner's Claude, ChatGPT or Cursor plans, with dated help articles and a public changelog. It has no API, MCP server or documented command an outside agent can call, every chat starts in Full access, and its pages disagree on which parts need a paid plan."
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  "markdown": "Devin scores 55.7 (C) on agent readiness against Unstoppable's 34.9 (F), and leads in 5 of 7 scored categories. Unstoppable leads on reliability and payments \u0026 pricing. Both do agent harnesses.\n\n- Devin: grade C, 55.7/100, rank #758 of 1218. Markdown https://www.anchorterminal.com/tools/devin.md · JSON https://www.anchorterminal.com/api/v1/tools/devin.json\n- Unstoppable: grade F, 34.9/100, rank #1133 of 1218. Markdown https://www.anchorterminal.com/tools/unstoppable.md · JSON https://www.anchorterminal.com/api/v1/tools/unstoppable.json\n- Best agent harnesses and coding agents: https://www.anchorterminal.com/best/agent-harnesses/index.md\n- All 833 harnesses comparisons: https://www.anchorterminal.com/compare/agent-harnesses/index.md\n\n## Which one, for what\n\n### Devin (C)\n\nGood for: A team that wants to hand whole tasks to a cloud agent and collect pull requests, driven from a pipeline or another agent.\n\nAhead on:\n- Schema \u0026 documentation, 80 against 30\n- Agent ergonomics, 62 against 5\n- Security \u0026 auth, 72 against 36\n- Maintenance \u0026 community, 63 against 58\n- Transparency \u0026 trust, 69 against 58\n\nAlso in its favour:\n- A hosted endpoint, with nothing to install\n\nWatch for: www.devinstatus.com lists three critical incidents (22 July, 13 August, 24 September 2026) and six major ones on the cloud agent or web app since 10 July 2026\n\n### Unstoppable (F)\n\nGood for: A developer who runs Claude Code, Codex and Cursor on existing plans and wants parallel worktrees, pipelines and phone check-ins in one app.\n\nAhead on:\n- Reliability, 45 against 30\n- Payments \u0026 pricing, 30 against 20\n\nAlso in its favour:\n- No key needed to call it\n- Free to start without a card\n\nWatch for: No API, MCP server, SDK or documented CLI for an outside agent. A Linux command-line tool and MCP tools for cloud tasks appear only in changelog lines\n\n\n## Score by category\n\n| Category | Weight | Devin | Unstoppable | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 30 | 45 | Unstoppable +15 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 80 | 30 | Devin +50 |\n| Agent ergonomics | 13% (16.2 this run) | 62 | 5 | Devin +57 |\n| Security \u0026 auth | 14% (17.5 this run) | 72 | 36 | Devin +36 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 20 | 30 | Unstoppable +10 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 63 | 58 | Devin +5 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 69 | 58 | Devin +11 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **55.7 · C** | **34.9 · F** | |\n\n## Facts side by side\n\n| Fact | Devin | Unstoppable |\n| --- | --- | --- |\n| Kind | Agent harness | Agent harness |\n| Vendor | Cognition AI, Inc. | Unstoppable Domains, Inc. |\n| Hosted endpoint | `https://mcp.devin.ai/mcp` | no (local only) |\n| Transports | HTTP |  |\n| Auth | API key | None |\n| Pricing | Freemium | Freemium |\n| x402 | no | no |\n| Licence | Proprietary service under Cognition's Platform Terms of Service | Proprietary, under Unstoppable Domains, Inc.'s Terms of Service. No source published |\n| Tools exposed | 13 | none |\n| Read-only variant documented | yes | no |\n| llms.txt | yes | yes |\n| Last release | 2026-10-07 | 2026-10-23 |\n| Terms last updated | 2026-06-30 |  |\n| Privacy policy last updated | 2026-03-09 |  |\n| Customer content may train models | yes, with an opt-out |  |\n| Terms restrict automated access | not found in the text |  |\n| Terms restrict benchmarking | yes |  |\n| Terms or service can change without notice | not found in the text |  |\n| Arbitration or class-action waiver | yes |  |\n\n## Verdicts\n\n**Devin.** The v3 API is well specified, with a public OpenAPI 3.1 file covering 239 operations, problem+json errors, cursor pagination and service-user keys tied to roles. The status page records three critical and several major incidents on the cloud agent between 22 July and 24 September 2026, and no rate limit figures or retry guidance were found in the reviewed documentation.\n\n**Unstoppable.** Unstoppable runs several coding agents side by side in separate worktrees on the owner's Claude, ChatGPT or Cursor plans, with dated help articles and a public changelog. It has no API, MCP server or documented command an outside agent can call, every chat starts in Full access, and its pages disagree on which parts need a paid plan.\n\n## Before you call either\n\n### Devin\n\n1. Use a `cog_` service-user key with the Member role. Legacy `apk_` keys fail against v3 and the MCP server with 401 or 403\n2. Set `max_acu_limit` on every session you create. Usage is metered by the work done and has no published unit rate\n3. Session creation is not idempotent in v3. After a timeout, list sessions by tag before creating again\n4. Enterprise keys and personal access tokens must send `X-Org-Id` to the MCP server. Organisation-scoped keys resolve it automatically\n5. Create scheduled work as an automation. POST to the schedules endpoint returns 403 for migrated organisations since 24 September 2026\n\n### Unstoppable\n\n1. Don't plan to drive Unstoppable from another agent. It has no documented API, MCP server or CLI. Call Claude Code, Codex or Cursor directly and let the person use Unstoppable around them\n2. Inside Unstoppable, check the approval mode before acting. New chats start in Full access unless the person set Ask or Accept edits in Settings, Approvals\n3. When a Claude or Codex usage limit is reached, ask the person before choosing Use credits now or Always use credits, since both spend their AI credits\n4. Keep each task in its own worktree and let the person review the diff and press Create PR, rather than pushing to a shared branch\n\n## Questions\n\n### Which is better for AI agents, Devin or Unstoppable?\n\nDevin scores 55.7 (C) on agent readiness against Unstoppable's 34.9 (F), and leads in 5 of 7 scored categories. Unstoppable leads on reliability and payments \u0026 pricing.\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/devin-vs-unstoppable.json, and with the fewest tokens: https://www.anchorterminal.com/compare/devin-vs-unstoppable.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"devin\", \"b\": \"unstoppable\"}`. From a terminal: `anchor compare devin unstoppable`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/devin.json and https://www.anchorterminal.com/api/v1/tools/unstoppable.json\n\n## Other comparisons with Devin or Unstoppable\n\n- [Agent Zero vs Devin](https://www.anchorterminal.com/compare/agent-zero-vs-devin.md)\n- [Agent Zero vs Unstoppable](https://www.anchorterminal.com/compare/agent-zero-vs-unstoppable.md)\n- [Aider vs Devin](https://www.anchorterminal.com/compare/aider-vs-devin.md)\n- [Aider vs Unstoppable](https://www.anchorterminal.com/compare/aider-vs-unstoppable.md)\n- [Amp vs Devin](https://www.anchorterminal.com/compare/amp-vs-devin.md)\n- [Amp vs Unstoppable](https://www.anchorterminal.com/compare/amp-vs-unstoppable.md)\n- [Antigravity CLI vs Devin](https://www.anchorterminal.com/compare/antigravity-cli-vs-devin.md)\n- [Antigravity CLI vs Unstoppable](https://www.anchorterminal.com/compare/antigravity-cli-vs-unstoppable.md)\n- [Auggie CLI vs Devin](https://www.anchorterminal.com/compare/auggie-vs-devin.md)\n- [Auggie CLI vs Unstoppable](https://www.anchorterminal.com/compare/auggie-vs-unstoppable.md)\n- [Claude Code vs Devin](https://www.anchorterminal.com/compare/claude-code-vs-devin.md)\n- [Claude Code vs Unstoppable](https://www.anchorterminal.com/compare/claude-code-vs-unstoppable.md)\n- [Cline vs Devin](https://www.anchorterminal.com/compare/cline-vs-devin.md)\n- [Cline vs Unstoppable](https://www.anchorterminal.com/compare/cline-vs-unstoppable.md)\n- [Crush vs Devin](https://www.anchorterminal.com/compare/crush-vs-devin.md)\n- [Crush vs Unstoppable](https://www.anchorterminal.com/compare/crush-vs-unstoppable.md)\n- [Cursor CLI vs Devin](https://www.anchorterminal.com/compare/cursor-cli-vs-devin.md)\n- [Cursor CLI vs Unstoppable](https://www.anchorterminal.com/compare/cursor-cli-vs-unstoppable.md)\n- [DeepSeek Harness (dsh) vs Devin](https://www.anchorterminal.com/compare/deepseek-harness-vs-devin.md)\n- [DeepSeek Harness (dsh) vs Unstoppable](https://www.anchorterminal.com/compare/deepseek-harness-vs-unstoppable.md)\n- [Devin vs Droid CLI](https://www.anchorterminal.com/compare/devin-vs-droid-cli.md)\n- [Devin vs Pi](https://www.anchorterminal.com/compare/devin-vs-earendil-pi.md)\n- [Devin vs Gemini CLI](https://www.anchorterminal.com/compare/devin-vs-gemini-cli.md)\n- [Devin vs GitHub Copilot CLI](https://www.anchorterminal.com/compare/devin-vs-github-copilot-cli.md)\n- [Devin vs goose](https://www.anchorterminal.com/compare/devin-vs-goose.md)\n- [Devin vs Harness²](https://www.anchorterminal.com/compare/devin-vs-harness2.md)\n- [Devin vs HarnessRouter](https://www.anchorterminal.com/compare/devin-vs-harnessrouter.md)\n- [Devin vs Jules](https://www.anchorterminal.com/compare/devin-vs-jules.md)\n- [Devin vs Junie CLI](https://www.anchorterminal.com/compare/devin-vs-junie.md)\n- [Devin vs Kilo Code CLI](https://www.anchorterminal.com/compare/devin-vs-kilo-code-cli.md)\n- [Devin vs Kimi Code CLI](https://www.anchorterminal.com/compare/devin-vs-kimi-code-cli.md)\n- [Devin vs Kiro CLI](https://www.anchorterminal.com/compare/devin-vs-kiro-cli.md)\n- [Devin vs mini-swe-agent](https://www.anchorterminal.com/compare/devin-vs-mini-swe-agent.md)\n- [Devin vs MiniMax Code](https://www.anchorterminal.com/compare/devin-vs-minimax-code.md)\n- [Devin vs Mistral Vibe CLI](https://www.anchorterminal.com/compare/devin-vs-mistral-vibe-cli.md)\n- [Devin vs Muse Code](https://www.anchorterminal.com/compare/devin-vs-muse-code.md)\n- [Devin vs OpenAI Codex](https://www.anchorterminal.com/compare/devin-vs-openai-codex.md)\n- [Devin vs OpenCode](https://www.anchorterminal.com/compare/devin-vs-opencode.md)\n- [Devin vs OpenHands](https://www.anchorterminal.com/compare/devin-vs-openhands.md)\n- [Devin vs Prime Agent](https://www.anchorterminal.com/compare/devin-vs-prime-agent.md)\n- [Devin vs Qoder CLI](https://www.anchorterminal.com/compare/devin-vs-qoder-cli.md)\n- [Devin vs Qwen Code](https://www.anchorterminal.com/compare/devin-vs-qwen-code.md)\n- [Devin vs Mirror CLI](https://www.anchorterminal.com/compare/devin-vs-reflection-mirror.md)\n- [Devin vs Rovo Dev CLI](https://www.anchorterminal.com/compare/devin-vs-rovo-dev-cli.md)\n- [Devin vs Vibe-Trading](https://www.anchorterminal.com/compare/devin-vs-vibe-trading.md)\n- [Devin vs Warp (Warp Agent CLI and the Oz Agent API)](https://www.anchorterminal.com/compare/devin-vs-warp.md)\n- [Droid CLI vs Unstoppable](https://www.anchorterminal.com/compare/droid-cli-vs-unstoppable.md)\n- [Pi vs Unstoppable](https://www.anchorterminal.com/compare/earendil-pi-vs-unstoppable.md)\n- [Gemini CLI vs Unstoppable](https://www.anchorterminal.com/compare/gemini-cli-vs-unstoppable.md)\n- [GitHub Copilot CLI vs Unstoppable](https://www.anchorterminal.com/compare/github-copilot-cli-vs-unstoppable.md)\n- [goose vs Unstoppable](https://www.anchorterminal.com/compare/goose-vs-unstoppable.md)\n- [Harness² vs Unstoppable](https://www.anchorterminal.com/compare/harness2-vs-unstoppable.md)\n- [HarnessRouter vs Unstoppable](https://www.anchorterminal.com/compare/harnessrouter-vs-unstoppable.md)\n- [Jules vs Unstoppable](https://www.anchorterminal.com/compare/jules-vs-unstoppable.md)\n- [Junie CLI vs Unstoppable](https://www.anchorterminal.com/compare/junie-vs-unstoppable.md)\n- [Kilo Code CLI vs Unstoppable](https://www.anchorterminal.com/compare/kilo-code-cli-vs-unstoppable.md)\n- [Kimi Code CLI vs Unstoppable](https://www.anchorterminal.com/compare/kimi-code-cli-vs-unstoppable.md)\n- [Kiro CLI vs Unstoppable](https://www.anchorterminal.com/compare/kiro-cli-vs-unstoppable.md)\n- [mini-swe-agent vs Unstoppable](https://www.anchorterminal.com/compare/mini-swe-agent-vs-unstoppable.md)\n- [MiniMax Code vs Unstoppable](https://www.anchorterminal.com/compare/minimax-code-vs-unstoppable.md)\n- [Mistral Vibe CLI vs Unstoppable](https://www.anchorterminal.com/compare/mistral-vibe-cli-vs-unstoppable.md)\n- [Muse Code vs Unstoppable](https://www.anchorterminal.com/compare/muse-code-vs-unstoppable.md)\n- [OpenAI Codex vs Unstoppable](https://www.anchorterminal.com/compare/openai-codex-vs-unstoppable.md)\n- [OpenCode vs Unstoppable](https://www.anchorterminal.com/compare/opencode-vs-unstoppable.md)\n- [OpenHands vs Unstoppable](https://www.anchorterminal.com/compare/openhands-vs-unstoppable.md)\n- [Prime Agent vs Unstoppable](https://www.anchorterminal.com/compare/prime-agent-vs-unstoppable.md)\n- [Qoder CLI vs Unstoppable](https://www.anchorterminal.com/compare/qoder-cli-vs-unstoppable.md)\n- [Qwen Code vs Unstoppable](https://www.anchorterminal.com/compare/qwen-code-vs-unstoppable.md)\n- [Mirror CLI vs Unstoppable](https://www.anchorterminal.com/compare/reflection-mirror-vs-unstoppable.md)\n- [Rovo Dev CLI vs Unstoppable](https://www.anchorterminal.com/compare/rovo-dev-cli-vs-unstoppable.md)\n- [CLI Manager vs Devin](https://www.anchorterminal.com/compare/cli-manager-vs-devin.md)\n- [CLI Manager vs Unstoppable](https://www.anchorterminal.com/compare/cli-manager-vs-unstoppable.md)\n- [Devin vs Harness](https://www.anchorterminal.com/compare/devin-vs-harness-autonomous.md)\n- [Devin vs Paperclip](https://www.anchorterminal.com/compare/devin-vs-paperclip.md)\n- [Devin vs Parallax](https://www.anchorterminal.com/compare/devin-vs-parallax-agents.md)\n- [Harness vs Unstoppable](https://www.anchorterminal.com/compare/harness-autonomous-vs-unstoppable.md)\n- [Paperclip vs Unstoppable](https://www.anchorterminal.com/compare/paperclip-vs-unstoppable.md)\n- [Parallax vs Unstoppable](https://www.anchorterminal.com/compare/parallax-agents-vs-unstoppable.md)\n- [Unstoppable vs Vibe-Trading](https://www.anchorterminal.com/compare/unstoppable-vs-vibe-trading.md)\n- [Unstoppable vs Warp (Warp Agent CLI and the Oz Agent API)](https://www.anchorterminal.com/compare/unstoppable-vs-warp.md)\n",
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