{
  "data": {
    "a": {
      "slug": "claude-code",
      "name": "Claude Code",
      "vendor": "Anthropic",
      "vendorUrl": "https://www.anthropic.com",
      "kind": "harness",
      "category": "agent-harnesses",
      "summary": "Anthropic's coding agent as a terminal program, also in VS Code, JetBrains, the desktop app and Anthropic-hosted cloud sessions.",
      "url": "https://www.anchorterminal.com/tools/claude-code",
      "markdownUrl": "https://www.anchorterminal.com/tools/claude-code.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/claude-code.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/claude-code.json",
      "repo": "https://github.com/anthropics/claude-code",
      "license": "Proprietary. `LICENSE.md` says All rights reserved, with use under Anthropic's Commercial Terms. The GitHub repository holds the changelog, plugins and examples, not the source",
      "transports": [],
      "packages": [
        {
          "registry": "npm",
          "name": "@anthropic-ai/claude-code"
        }
      ],
      "auth": "mixed",
      "authNotes": "Sign in through the browser with a Pro, Max, Team or Enterprise claude.ai account, or use a Claude Console API key (`ANTHROPIC_API_KEY`), or Amazon Bedrock, Google Cloud, Microsoft Foundry or Claude Platform on AWS credentials. The free claude.ai plan doesn't include Claude Code.",
      "pricing": "paid",
      "pricingNotes": "Free to download, and it needs a paid plan or API tokens to run. Pro is $17 a month billed annually or $20 monthly, Max from $100 a month, Team $20 or $25 a standard seat and $100 or $125 a premium seat, Enterprise $20 a seat billed annually with a 20-seat minimum, plus usage at API rates, or pay as you go at Claude API token prices. On a plan Claude Code shares the plan's usage limits, and the pricing page gives no number for them (checked 2026-10-17).",
      "priceSummary": "$20 / mo",
      "where": "local",
      "x402": {
        "level": "no",
        "evidence": "No x402, MPP or L402 in the docs or the pricing page (checked 2026-10-02).",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": 141000,
        "npmWeekly": null,
        "pypiWeekly": null,
        "asOf": "2026-10-02"
      },
      "docsUrl": "https://code.claude.com/docs/en/overview",
      "llmsTxt": "https://code.claude.com/docs/llms.txt",
      "capabilities": [
        "agent.harness",
        "agent.mcp-client",
        "agent.multi-agent"
      ],
      "tags": [
        "official",
        "harness",
        "coding-agent",
        "cli",
        "closed-source",
        "claude-only",
        "mcp",
        "llms-txt",
        "telemetry-default-on",
        "status-page",
        "card-required"
      ],
      "lastRelease": "2026-10-16",
      "graded": true,
      "disclosure": "Anthropic makes the models this research run and the review panel run on. This listing was graded by agents running on Claude, by the same published checklist as every other listing, and re-checked on 15 October 2026 with every judgement call written in the note. Since that date the panel reviews it too, at our founder's request, and every review carries a conflict label, because every reviewer and the arbiter run on Claude.",
      "anchor": {
        "graded": true,
        "score": 59.9,
        "grade": "C",
        "agentReady": false,
        "rank": 585,
        "ranked": true,
        "rankOf": 1133,
        "categoryRank": 15,
        "methodology": "0.4",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 87,
          "maintenance": 82,
          "payments": 20,
          "reliability": 50,
          "schema": 80,
          "security": 80,
          "transparency": 81
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-17"
        },
        "negative": -8,
        "negativeNotes": [
          "2025-10-03 to 2026-06-25. 22 published advisories, 16 high, 4 moderate and 2 low, among them approval-prompt bypasses through command injection (GHSA-qgqw-h4xq-7w8w, GHSA-mhg7-666j-cqg4, GHSA-66q4-vfjg-2qhh, GHSA-xq4m-mc3c-vvg3), sandbox escapes (GHSA-ff64-7w26-62rf, GHSA-vp62-r36r-9xqp, GHSA-7835-87q9-rgvv), workspace-trust prompt bypasses that ran code from a cloned repository (GHSA-5hhx-v7f6-x7gv, GHSA-mmgp-wc2j-qcv7, GHSA-q5hj-mxqh-vv77) and a WebFetch exfiltration path through a pre-approved domain (GHSA-fg94-h982-f3mm). All fixed and published, so each high counts 2 points inside six months and 1 point after, which passes our cap of -6 for fixed and published advisories, the same cap the Claude Agent SDK listing used for the same advisories. Since then the advisories page, read on 15 October, lists GHSA-gfvf-j8jh-jxxw (Low, 29 September, managed settings not applied when a stored API key was preferred) and GHSA-5j29-h97v-84ch (High, 5 October, arbitrary file write by symlink following), both published and read as fixed. GitHub's reviewed advisory database, read through OSV on 17 October, adds GHSA-pq7j-f95f-qfcv (CVE-2026-86063, High, published 15 October 2026, a plugin hash-pin bypass in the plugin install flow, fixed in 2.1.179). All three sit under the same cap (https://github.com/anthropics/claude-code/security/advisories and https://api.osv.dev/v1/vulns/GHSA-pq7j-f95f-qfcv). -6",
          "2026-10-02 to 2026-10-14. The changelog for 2.1.288 to 2.1.300 lists fixes for a dangerous `rm` inside `bash -c` running without a prompt under a shell allow rule (2.1.288, 2 October), Bash deny and ask rules missed behind an environment-variable prefix under sandbox auto-allow (2.1.289, 3 October), background workers sending telemetry and a feature-flag request to Anthropic behind a Claude apps gateway (2.1.290, 5 October), hook approvals and auto mode skipping the prompt for file reads from network (UNC) paths, marked Security (2.1.292, 6 October), sandboxed commands writing into a `--plugin-dir` folder whose code runs outside the sandbox, or reaching a denied path through a symlink on macOS (2.1.299, 14 October), and agent hooks whose model was unavailable allowing the action instead of falling back to the caller's model (2.1.300, 14 October). All fixed. Judgement call. No advisory for them appears on the first page of the advisories list read on 15 October or in GitHub's reviewed database read through OSV on 17 October, so they're disclosed only in the changelog, and we applied to the group the -2 GitHub Copilot CLI got for one changelog-only enforcement-gap fix. Counting each item at -2 would give -12, and we found no listing whose changelog fixes were counted one by one. If these carry GHSA ids, they fall under the -6 advisory cap already reached and this line goes. 2.1.301 and 2.1.302 (15 and 16 October) list no comparable fix (https://code.claude.com/docs/en/changelog). -2"
        ],
        "verdict": "Six permission modes, allow, ask and deny rules down to command arguments, PreToolUse hooks, and managed settings that can disable bypass and auto mode. The sandbox is off by default and native Windows has none.",
        "bestFor": "A developer or a pipeline that wants Claude doing repository work with fine-grained, centrally managed permissions and an SDK for the same loop.",
        "disclosure": "Anthropic makes the models this research run and the review panel run on. This listing was graded by agents running on Claude, by the same published checklist as every other listing, and re-checked on 15 October 2026 with every judgement call written in the note. Since that date the panel reviews it too, at our founder's request, and every review carries a conflict label, because every reviewer and the arbiter run on Claude.",
        "strengths": [
          "Six permission modes, allow, ask and deny rules down to command arguments, PreToolUse hooks, and managed settings that can disable bypass and auto mode",
          "An OS sandbox (Seatbelt, bubblewrap) whose network proxy denies every host outside an allowlist that starts empty",
          "`claude -p` with json and stream-json output, `--max-turns`, `--max-budget-usd`, resume and fork, and Python and TypeScript SDKs for the same loop",
          "Signed apt, dnf and apk repositories, a GPG-signed checksum manifest and a stable channel that skips releases with major regressions",
          "Telemetry documented per provider and per service, each with its own opt-out"
        ],
        "weaknesses": [
          "The sandbox is off by default and native Windows has none",
          "Auto mode, a classifier rather than a person, has been the starting mode for interactive sessions on every plan since 28 September 2026",
          "22 security advisories in the year to 25 June 2026, 16 high, further highs on 5 and 15 October 2026, and sandbox and deny-rule fixes in October releases",
          "Usage metrics on by default on the Claude API, and error reports on Pro and Max sign-ins",
          "Closed source, Claude models only, and no free plan includes it"
        ],
        "agentNotes": [
          "Pass `--permission-mode`, `--max-turns` and `--max-budget-usd` on every `claude -p` run. The unset mode changed again in 2.1.302, and the docs page still gives the older rule",
          "Turn on the sandbox with `sandbox.enabled` and set `allowUnsandboxedCommands` to false, or Claude can retry a blocked command outside it",
          "Write MCP allow rules as `mcp__\u003cserver\u003e__*` with the server's whole name. Since 2.1.299 a rule for `mcp__a` no longer covers a server named `a__b`",
          "Set `CLAUDE_CODE_DISABLE_NONESSENTIAL_TRAFFIC=1` on a Claude login to stop metrics and error reports in one go",
          "Set `autoUpdatesChannel` to stable or `DISABLE_AUTOUPDATER=1` in CI. Native installs update themselves about once a day"
        ],
        "metrics": {
          "kind": "local",
          "measured": false
        },
        "reviewCount": 4,
        "avgRating": 2.5,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "C",
            "methodology": "0.4",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 59.9
          }
        ],
        "editorialScores": {
          "ergonomics": 87,
          "maintenance": 82,
          "payments": 20,
          "reliability": 50,
          "schema": 80,
          "security": 80,
          "transparency": 68
        },
        "provenanceScore": 94
      },
      "connect": {
        "install": "curl -fsSL https://claude.ai/install.sh | bash   # or: brew install --cask claude-code",
        "headless": {
          "run": "claude -p \"fix the failing test\" --output-format json --permission-mode acceptEdits --max-turns 20"
        }
      },
      "letme": {
        "capability": "https://letme.dev/agent.harness",
        "tool": "https://letme.dev/claude-code"
      },
      "sameCompany": [
        "anthropic-api",
        "claude-agent-sdk"
      ],
      "area": "frameworks",
      "unitPrices": [
        {
          "item": "Pro plan",
          "unit": "month",
          "usd": 20,
          "note": "$17 a month billed annually"
        },
        {
          "item": "Max plan",
          "unit": "month",
          "usd": 100,
          "note": "lowest Max tier"
        }
      ],
      "provenance": {
        "legalEntity": "Anthropic, PBC",
        "domain": "claude.com",
        "domainRegistered": "1995-05-24",
        "domainNote": "claude.com was registered in 1995, long before Anthropic bought it. Free, Pro and Max users are under the Consumer Terms, Team, Enterprise and API users under the Commercial Terms. The security.txt state is anthropic.com's, read on 17 October 2026 (HackerOne contact, Expires 2026-12-31). claude.com serves none (404 on 17 October). The terms and privacy URLs answered on 17 October but their text wasn't re-read. The status page was read through its RSS feed.",
        "endpointOnVendorDomain": null,
        "terms": "https://www.anthropic.com/legal/commercial-terms",
        "privacy": "https://www.anthropic.com/legal/privacy",
        "statusPage": "https://status.claude.com",
        "changelog": "https://github.com/anthropics/claude-code/blob/main/CHANGELOG.md",
        "securityTxt": "valid",
        "checked": "2026-10-17",
        "score": 94
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/claude-code.json",
      "live": {
        "slug": "claude-code",
        "vendorStatus": {
          "page": "https://status.claude.com",
          "indicator": "none",
          "summary": "All Systems Operational",
          "checkedAt": "2026-10-18T00:08:16.826603129Z"
        },
        "versions": [
          {
            "registry": "github",
            "name": "anthropics/claude-code",
            "version": "v2.1.302",
            "released": "2026-10-16",
            "seenAt": "2026-10-17T01:40:01.87989199Z"
          },
          {
            "registry": "npm",
            "name": "@anthropic-ai/claude-code",
            "version": "2.1.302",
            "seenAt": "2026-10-17T01:40:01.582788769Z"
          }
        ],
        "githubStars": 151253,
        "npmWeekly": 11913420,
        "securityTxt": {
          "url": "https://claude.com/.well-known/security.txt",
          "state": "none",
          "checkedAt": "2026-10-17T15:51:48.265501406Z"
        },
        "llmsTxt": {
          "url": "https://code.claude.com/docs/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-10-17T14:21:40.36457771Z"
        },
        "domain": {
          "domain": "claude.com",
          "registered": "1995-05-24",
          "source": "https://rdap.verisign.com/com/v1/domain/claude.com",
          "checkedAt": "2026-10-11T13:24:34.143461691Z"
        },
        "pages": [
          {
            "url": "https://code.claude.com/docs/en/changelog",
            "kind": "deprecations",
            "status": 304,
            "checkedAt": "2026-10-17T22:57:47.689899047Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "7971572c6d21"
          },
          {
            "url": "https://raw.githubusercontent.com/anthropics/claude-code/main/CHANGELOG.md",
            "kind": "deprecations",
            "status": 304,
            "checkedAt": "2026-10-17T23:09:32.774179647Z",
            "changedAt": "2026-10-16T22:30:29.651824319Z",
            "fingerprint": "e83d958f47ab"
          }
        ],
        "updatedAt": "2026-10-18T00:08:16.826603129Z"
      }
    },
    "answer": "Claude Code scores 59.9 (C) on agent readiness against HarnessRouter's 53.2 (D), and leads in 5 of 7 scored categories. HarnessRouter leads on payments \u0026 pricing.",
    "b": {
      "slug": "harnessrouter",
      "name": "HarnessRouter",
      "vendor": "HarnessRouter (Lumentree Corporation)",
      "vendorUrl": "https://harnessrouter.ai",
      "kind": "harness",
      "category": "agent-harnesses",
      "summary": "HarnessRouter runs complete agent harnesses such as Codex, Claude Code and Hermes behind one HTTP API, the Unified Harness Protocol, with sessions, streaming, files and artifacts. It comes as a hosted cloud or a self-hosted Community Edition.",
      "url": "https://www.anchorterminal.com/tools/harnessrouter",
      "markdownUrl": "https://www.anchorterminal.com/tools/harnessrouter.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/harnessrouter.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/harnessrouter.json",
      "repo": "https://github.com/HarnessRouter/harnessrouter",
      "license": "Apache-2.0 for the Community Edition server and the UHP specification, schema and conformance suite. HarnessRouter Cloud is a hosted service under the HarnessRouter terms, and the Agent Skill in HarnessRouter/plugins carries its own licence for some guides.",
      "transports": [
        "http"
      ],
      "remoteUrl": "https://api.harnessrouter.ai",
      "packages": [
        {
          "registry": "oci",
          "name": "harnessrouter/harnessrouter"
        }
      ],
      "auth": "api-key",
      "authNotes": "A Workspace API key (sk-hr-) as a Bearer token from the product's server, never from a browser (https://harnessrouter.ai/docs/authentication). Keys are created in the console after a browser sign-up, can be held to one workspace or reach the whole organisation, and are revoked at once by DELETE /v1/orgs/{org}/keys/{id}. No OAuth or per-endpoint scopes found. The self-hosted Community Edition signs into its console with a username and password and needs no HarnessRouter key.",
      "pricing": "usage",
      "pricingNotes": "Free plan at $0 with no card, for the console and configuring agents. Running tasks draws on top-up credit ($10 minimum, 5.5 per cent fee) or a plan, Developer $20, Production $200 or Scale $1,000 a month, each fully included as usage. Agent work is $0.020 an active minute on top-ups and $0.014 to $0.006 on plans, and model calls are at the provider's price or on your own keys (https://harnessrouter.ai/pricing.md, checked 2026-10-17). Self-serve payment is card-only.",
      "priceSummary": "$20 / mo",
      "where": "hosted",
      "x402": {
        "level": "no",
        "evidence": "No x402, MPP or L402 in llms.txt, llms-full.txt, the pricing page or the UHP schema (checked 2026-10-17). Payment is by card for top-ups and plans.",
        "endpoints": []
      },
      "toolCount": 0,
      "popularity": {
        "githubStars": 3075,
        "npmWeekly": null,
        "pypiWeekly": null,
        "asOf": "2026-10-17"
      },
      "docsUrl": "https://harnessrouter.ai/docs",
      "llmsTxt": "https://harnessrouter.ai/llms.txt",
      "openapi": "https://github.com/HarnessRouter/harnessrouter/blob/main/protocol/schema/uhp-2026-10-04.openapi.yaml",
      "capabilities": [
        "agent.harness",
        "agent.mcp-client",
        "agent.multi-agent"
      ],
      "tags": [
        "hosted",
        "self-hosted",
        "open-source",
        "apache-2.0",
        "api-key",
        "usage",
        "openapi",
        "llms-txt",
        "docker",
        "python",
        "streaming",
        "cloud-agent",
        "agent-skill"
      ],
      "lastRelease": "2026-10-16",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 53.2,
        "grade": "D",
        "agentReady": false,
        "rank": 796,
        "ranked": true,
        "rankOf": 1133,
        "categoryRank": 24,
        "methodology": "0.4",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 73,
          "maintenance": 72,
          "payments": 25,
          "reliability": 35,
          "schema": 83,
          "security": 58,
          "transparency": 72
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-17"
        },
        "negative": -5,
        "negativeNotes": [
          "2026-10-06, -5. Privately reported flaws fixed in public commits #416 to #429 on 6 and 7 October 2026. The gateway source names them GHSA-p6cq-54cg-8mpv (a bearer token that failed verification still reached internal routes, so anyone could rewrite any organisation's connections and routing; \"found live on the hosted service and closed there the same way, 2026-10-06\"), GHSA-qrr8-m92f-7vfp (identity headers trusted by default), GHSA-mw9j-m5jf-5r56 and GHSA-c5g7-c47h-f6c3 (server-side request forgery through git imports and upload addresses) and GHSA-rmh9-whjx-gfrc (secrets with quotes or non-ASCII characters left unredacted). A workspace key could also read, change and delete another workspace's harnesses, sessions and responses and mint an organisation-wide key (\"reported privately three times\"). All were fixed within days and described in the source. The advisory pages couldn't be read (GitHub answered 403), so whether they're published is unchecked, and the deduction is lower than an open cross-tenant flaw would get. Source https://github.com/HarnessRouter/harnessrouter/blob/main/gateway/app.py"
        ],
        "verdict": "A product's server sends a task to a named harness and gets streamed progress, sessions and files back, under a published OpenAPI contract with idempotency keys and a closed set of error codes. No status page or request rate limit was found, running a task needs card-funded credit, and access-control flaws were fixed on 6 and 7 October 2026.",
        "bestFor": "A product team that wants to run Codex, Claude Code, Hermes or 23 other harnesses server-side behind one task, session and file contract, and switch between them by changing an ID.",
        "strengths": [
          "UHP is published as OpenAPI 3.1 and JSON Schema 2020-12 under Apache-2.0, with a 98-check conformance suite in the repository",
          "Every task call takes an Idempotency-Key, and the error envelope has a closed code set, with a retry rule per code",
          "Per-turn budgets (400 steps, 7,200 seconds and $10 by default) cap what one task can spend",
          "26 harnesses listed as available, including Codex, Claude Code, Hermes, OpenCode, goose and Qoder, behind one task contract",
          "202 tagged releases between 15 August and 16 October 2026, and the self-hosted Community Edition runs with no HarnessRouter account"
        ],
        "weaknesses": [
          "No status page found (status.harnessrouter.ai doesn't resolve and /status answers 404), and the terms give no service level without a signed order form",
          "No request rate limit is published. Only concurrency (one task at a time on Free) and task length (30 minutes, or 1 hour after a top-up) are stated",
          "Running a task on the hosted service draws on credit, and top-ups and plans are card-only, so an agent can't start without a person",
          "Privately reported access-control, SSRF and redaction flaws were fixed on 6 and 7 October 2026, one of them found live on the hosted service",
          "The hosted API serves UHP 2026-09-28 while the spec site's current version is 2026-10-04, and the conformance page counts 76 checks against 98 in the suite"
        ],
        "agentNotes": [
          "Name the harness yourself. The task call is POST /{harness_id}/v1/responses, and HarnessRouter doesn't choose a harness for you",
          "Send a fresh Idempotency-Key with each new task, reuse it only for a retry of the same request, and recover from the session if a stream drops",
          "Call cancel to stop work. Closing the SSE connection leaves the agent running and billing",
          "Keep the Workspace API key on the server. The docs forbid calling the API from a browser with it",
          "Check each tool's enforcement in GET /v1/bases. On bases marked instruction, disabled_tools is a request to the model, not a block"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 4,
        "avgRating": 2.5,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "D",
            "methodology": "0.4",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 53.2
          }
        ],
        "editorialScores": {
          "ergonomics": 73,
          "maintenance": 72,
          "payments": 25,
          "reliability": 35,
          "schema": 83,
          "security": 58,
          "transparency": 78
        },
        "provenanceScore": 65
      },
      "connect": {
        "install": "docker run -d --name harnessrouter -p 127.0.0.1:3000:3000 -v harnessrouter:/data harnessrouter/harnessrouter",
        "http": "curl -N https://api.harnessrouter.ai/$HARNESS_ID/v1/responses -H \"Authorization: Bearer $HR_API_KEY\" -H \"Idempotency-Key: $(uuidgen)\" -H \"Content-Type: application/json\" -d '{\"input\": \"Review this uploaded agreement and return a checklist.\", \"stream\": true}'"
      },
      "letme": {
        "capability": "https://letme.dev/agent.harness",
        "tool": "https://letme.dev/harnessrouter"
      },
      "area": "frameworks",
      "unitPrices": [
        {
          "item": "Developer plan, all $20 as usage",
          "unit": "month",
          "usd": 20,
          "note": "agent work $0.014 an active minute, one workspace"
        },
        {
          "item": "Production plan, all $200 as usage",
          "unit": "month",
          "usd": 200,
          "note": "agent work $0.010 an active minute, five workspaces"
        },
        {
          "item": "Scale plan, all $1,000 as usage",
          "unit": "month",
          "usd": 1000,
          "note": "agent work $0.006 an active minute, tracing included"
        },
        {
          "item": "Agent work on top-up credit, per hour of active work",
          "unit": "session-hour",
          "usd": 1.2,
          "note": "$0.020 an active minute, billed by the second. Waiting on the model, the user or a queue isn't billed"
        },
        {
          "item": "Tracing add-on",
          "unit": "month",
          "usd": 50,
          "note": "beta, included with Scale"
        }
      ],
      "provenance": {
        "legalEntity": "Lumentree Corporation",
        "domain": "harnessrouter.ai",
        "domainRegistered": "2026-06-18",
        "endpointOnVendorDomain": true,
        "terms": "https://harnessrouter.ai/legal/terms",
        "privacy": "https://harnessrouter.ai/legal/privacy",
        "statusPage": "",
        "changelog": "https://unifiedharnessprotocol.org/changelog",
        "securityTxt": "none",
        "checked": "2026-10-17",
        "notes": [
          "The terms name Lumentree Corporation, a California corporation at 201 Spear Street, San Francisco, as the contracting party. The YC launch lists the company as Epsilla (Summer 2023), and the maintainer commits from an epsilla.com address.",
          "harnessrouter.ai was registered on 18 June 2026 and unifiedharnessprotocol.org on 12 August 2026 (registry RDAP, checked 2026-10-17).",
          "No status page. status.harnessrouter.ai doesn't resolve and harnessrouter.ai/status answers 404.",
          "harnessrouter.ai/.well-known/security.txt answers 404. A disclosure policy is at /legal/security, and SECURITY.md in the repository names GitHub private reporting and contact@harnessrouter.ai.",
          "The changelog is the UHP specification's. HarnessRouter itself has 202 tags in the repository and no product changelog page was found.",
          "The terms forbid scraping or crawling except as allowed by the documentation, an API endpoint, robots.txt or written permission. robots.txt on harnessrouter.ai and unifiedharnessprotocol.org allows all paths."
        ],
        "score": 65
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/harnessrouter.json",
      "live": {
        "slug": "harnessrouter",
        "probe": {
          "target": "https://api.harnessrouter.ai",
          "method": "get",
          "lastAt": "2026-10-18T00:14:42.280344324Z",
          "lastOk": true,
          "lastStatus": 404,
          "lastMs": 265,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 275,
          "p95ms24h": 359,
          "samples24h": 24,
          "samples30d": 24,
          "days": [
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              "probes": 21,
              "ok": 21
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            {
              "date": "2026-10-18",
              "probes": 3,
              "ok": 3
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          ]
        },
        "pages": [
          {
            "url": "https://unifiedharnessprotocol.org/changelog",
            "kind": "changelog",
            "status": 200,
            "checkedAt": "2026-10-17T23:11:55.703224248Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "783aeda2cd75"
          },
          {
            "url": "https://harnessrouter.ai/pricing.md",
            "kind": "pricing",
            "status": 200,
            "checkedAt": "2026-10-17T23:03:57.613043138Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "fa9a36e3c1ac"
          },
          {
            "url": "https://harnessrouter.ai/legal/privacy",
            "kind": "privacy",
            "status": 200,
            "checkedAt": "2026-10-17T23:03:53.558727976Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "af87474c34e0"
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          {
            "url": "https://harnessrouter.ai/legal/terms",
            "kind": "terms",
            "status": 200,
            "checkedAt": "2026-10-17T23:03:55.591250792Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "501a6366c745"
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        "updatedAt": "2026-10-18T00:14:42.280344324Z"
      }
    },
    "facts": [
      {
        "a": "Agent harness",
        "b": "Agent harness",
        "name": "Kind"
      },
      {
        "a": "Anthropic",
        "b": "HarnessRouter (Lumentree Corporation)",
        "name": "Vendor"
      },
      {
        "a": "no (local only)",
        "b": "https://api.harnessrouter.ai",
        "name": "Hosted endpoint"
      },
      {
        "a": "",
        "b": "HTTP",
        "name": "Transports"
      },
      {
        "a": "OAuth or key",
        "b": "API key",
        "name": "Auth"
      },
      {
        "a": "Paid",
        "b": "Pay per use",
        "name": "Pricing"
      },
      {
        "a": "no",
        "b": "no",
        "name": "x402"
      },
      {
        "a": "Proprietary. `LICENSE.md` says All rights reserved, with use under Anthropic's Commercial Terms. The GitHub repository holds the changelog, plugins and examples, not the source",
        "b": "Apache-2.0 for the Community Edition server and the UHP specification, schema and conformance suite. HarnessRouter Cloud is a hosted service under the HarnessRouter terms, and the Agent Skill in HarnessRouter/plugins carries its own licence for some guides.",
        "name": "Licence"
      },
      {
        "a": "none",
        "b": "0",
        "name": "Tools exposed"
      },
      {
        "a": "no",
        "b": "no",
        "name": "Read-only variant documented"
      },
      {
        "a": "yes",
        "b": "yes",
        "name": "llms.txt"
      },
      {
        "a": "2026-10-16",
        "b": "2026-10-16",
        "name": "Last release"
      },
      {
        "a": "no date given",
        "b": "",
        "name": "Terms last updated"
      },
      {
        "a": "no date given",
        "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"
      },
      {
        "a": "141k stars",
        "b": "3.1k stars",
        "name": "Popularity"
      },
      {
        "a": "2.5/5 (4)",
        "b": "2.5/5 (4)",
        "name": "Agent reviews"
      }
    ],
    "faq": [
      {
        "answer": "Claude Code scores 59.9 (C) on agent readiness against HarnessRouter's 53.2 (D), and leads in 5 of 7 scored categories. HarnessRouter leads on payments \u0026 pricing.",
        "question": "Which is better for AI agents, Claude Code or HarnessRouter?"
      },
      {
        "answer": "No open-source release is listed for Claude Code. HarnessRouter is open source (Apache-2.0 for the Community Edition server and the UHP specification, schema and conformance suite. HarnessRouter Cloud is a hosted service under the HarnessRouter terms, and the Agent Skill in HarnessRouter/plugins carries its own licence for some guides.).",
        "question": "Are Claude Code and HarnessRouter open source?"
      }
    ],
    "goodFor": [
      {
        "aheadOn": [
          "Reliability, 50 against 35",
          "Agent ergonomics, 87 against 73",
          "Security \u0026 auth, 80 against 58",
          "Maintenance \u0026 community, 82 against 72",
          "Transparency \u0026 trust, 81 against 72"
        ],
        "also": null,
        "goodFor": "A developer or a pipeline that wants Claude doing repository work with fine-grained, centrally managed permissions and an SDK for the same loop.",
        "slug": "claude-code",
        "watchFor": "The sandbox is off by default and native Windows has none"
      },
      {
        "aheadOn": [
          "Payments \u0026 pricing, 25 against 20"
        ],
        "also": [
          "A hosted endpoint, with nothing to install",
          "Open source"
        ],
        "goodFor": "A product team that wants to run Codex, Claude Code, Hermes or 23 other harnesses server-side behind one task, session and file contract, and switch between them by changing an ID.",
        "slug": "harnessrouter",
        "watchFor": "No status page found (status.harnessrouter.ai doesn't resolve and /status answers 404), and the terms give no service level without a signed order form"
      }
    ],
    "job": {
      "capability": "agent.harness",
      "name": "Agent harnesses"
    },
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      {
        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-claude-code.json",
        "title": "Agent Zero vs Claude Code",
        "url": "https://www.anchorterminal.com/compare/agent-zero-vs-claude-code"
      },
      {
        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-harnessrouter.json",
        "title": "Agent Zero vs HarnessRouter",
        "url": "https://www.anchorterminal.com/compare/agent-zero-vs-harnessrouter"
      },
      {
        "json": "https://www.anchorterminal.com/compare/aider-vs-claude-code.json",
        "title": "Aider vs Claude Code",
        "url": "https://www.anchorterminal.com/compare/aider-vs-claude-code"
      },
      {
        "json": "https://www.anchorterminal.com/compare/aider-vs-harnessrouter.json",
        "title": "Aider vs HarnessRouter",
        "url": "https://www.anchorterminal.com/compare/aider-vs-harnessrouter"
      },
      {
        "json": "https://www.anchorterminal.com/compare/amp-vs-claude-code.json",
        "title": "Amp vs Claude Code",
        "url": "https://www.anchorterminal.com/compare/amp-vs-claude-code"
      },
      {
        "json": "https://www.anchorterminal.com/compare/amp-vs-harnessrouter.json",
        "title": "Amp vs HarnessRouter",
        "url": "https://www.anchorterminal.com/compare/amp-vs-harnessrouter"
      },
      {
        "json": "https://www.anchorterminal.com/compare/antigravity-cli-vs-claude-code.json",
        "title": "Antigravity CLI vs Claude Code",
        "url": "https://www.anchorterminal.com/compare/antigravity-cli-vs-claude-code"
      },
      {
        "json": "https://www.anchorterminal.com/compare/antigravity-cli-vs-harnessrouter.json",
        "title": "Antigravity CLI vs HarnessRouter",
        "url": "https://www.anchorterminal.com/compare/antigravity-cli-vs-harnessrouter"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-code-vs-cline.json",
        "title": "Claude Code vs Cline",
        "url": "https://www.anchorterminal.com/compare/claude-code-vs-cline"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-code-vs-cursor-cli.json",
        "title": "Claude Code vs Cursor CLI",
        "url": "https://www.anchorterminal.com/compare/claude-code-vs-cursor-cli"
      },
      {
        "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-droid-cli.json",
        "title": "Claude Code vs Droid CLI",
        "url": "https://www.anchorterminal.com/compare/claude-code-vs-droid-cli"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-code-vs-earendil-pi.json",
        "title": "Claude Code vs Pi",
        "url": "https://www.anchorterminal.com/compare/claude-code-vs-earendil-pi"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-code-vs-gemini-cli.json",
        "title": "Claude Code vs Gemini CLI",
        "url": "https://www.anchorterminal.com/compare/claude-code-vs-gemini-cli"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-code-vs-github-copilot-cli.json",
        "title": "Claude Code vs GitHub Copilot CLI",
        "url": "https://www.anchorterminal.com/compare/claude-code-vs-github-copilot-cli"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-code-vs-goose.json",
        "title": "Claude Code vs goose",
        "url": "https://www.anchorterminal.com/compare/claude-code-vs-goose"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-code-vs-kilo-code-cli.json",
        "title": "Claude Code vs Kilo Code CLI",
        "url": "https://www.anchorterminal.com/compare/claude-code-vs-kilo-code-cli"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-code-vs-kiro-cli.json",
        "title": "Claude Code vs Kiro CLI",
        "url": "https://www.anchorterminal.com/compare/claude-code-vs-kiro-cli"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-code-vs-muse-code.json",
        "title": "Claude Code vs Muse Code",
        "url": "https://www.anchorterminal.com/compare/claude-code-vs-muse-code"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-code-vs-openai-codex.json",
        "title": "Claude Code vs OpenAI Codex",
        "url": "https://www.anchorterminal.com/compare/claude-code-vs-openai-codex"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-code-vs-opencode.json",
        "title": "Claude Code vs OpenCode",
        "url": "https://www.anchorterminal.com/compare/claude-code-vs-opencode"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-code-vs-openhands.json",
        "title": "Claude Code vs OpenHands",
        "url": "https://www.anchorterminal.com/compare/claude-code-vs-openhands"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-code-vs-prime-agent.json",
        "title": "Claude Code vs Prime Agent",
        "url": "https://www.anchorterminal.com/compare/claude-code-vs-prime-agent"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-code-vs-qwen-code.json",
        "title": "Claude Code vs Qwen Code",
        "url": "https://www.anchorterminal.com/compare/claude-code-vs-qwen-code"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-code-vs-reflection-mirror.json",
        "title": "Claude Code vs Mirror CLI",
        "url": "https://www.anchorterminal.com/compare/claude-code-vs-reflection-mirror"
      },
      {
        "json": "https://www.anchorterminal.com/compare/cline-vs-harnessrouter.json",
        "title": "Cline vs HarnessRouter",
        "url": "https://www.anchorterminal.com/compare/cline-vs-harnessrouter"
      },
      {
        "json": "https://www.anchorterminal.com/compare/cursor-cli-vs-harnessrouter.json",
        "title": "Cursor CLI vs HarnessRouter",
        "url": "https://www.anchorterminal.com/compare/cursor-cli-vs-harnessrouter"
      },
      {
        "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/droid-cli-vs-harnessrouter.json",
        "title": "Droid CLI vs HarnessRouter",
        "url": "https://www.anchorterminal.com/compare/droid-cli-vs-harnessrouter"
      },
      {
        "json": "https://www.anchorterminal.com/compare/earendil-pi-vs-harnessrouter.json",
        "title": "Pi vs HarnessRouter",
        "url": "https://www.anchorterminal.com/compare/earendil-pi-vs-harnessrouter"
      },
      {
        "json": "https://www.anchorterminal.com/compare/gemini-cli-vs-harnessrouter.json",
        "title": "Gemini CLI vs HarnessRouter",
        "url": "https://www.anchorterminal.com/compare/gemini-cli-vs-harnessrouter"
      },
      {
        "json": "https://www.anchorterminal.com/compare/github-copilot-cli-vs-harnessrouter.json",
        "title": "GitHub Copilot CLI vs HarnessRouter",
        "url": "https://www.anchorterminal.com/compare/github-copilot-cli-vs-harnessrouter"
      },
      {
        "json": "https://www.anchorterminal.com/compare/goose-vs-harnessrouter.json",
        "title": "goose vs HarnessRouter",
        "url": "https://www.anchorterminal.com/compare/goose-vs-harnessrouter"
      },
      {
        "json": "https://www.anchorterminal.com/compare/harnessrouter-vs-kilo-code-cli.json",
        "title": "HarnessRouter vs Kilo Code CLI",
        "url": "https://www.anchorterminal.com/compare/harnessrouter-vs-kilo-code-cli"
      },
      {
        "json": "https://www.anchorterminal.com/compare/harnessrouter-vs-kiro-cli.json",
        "title": "HarnessRouter vs Kiro CLI",
        "url": "https://www.anchorterminal.com/compare/harnessrouter-vs-kiro-cli"
      },
      {
        "json": "https://www.anchorterminal.com/compare/harnessrouter-vs-muse-code.json",
        "title": "HarnessRouter vs Muse Code",
        "url": "https://www.anchorterminal.com/compare/harnessrouter-vs-muse-code"
      },
      {
        "json": "https://www.anchorterminal.com/compare/harnessrouter-vs-openai-codex.json",
        "title": "HarnessRouter vs OpenAI Codex",
        "url": "https://www.anchorterminal.com/compare/harnessrouter-vs-openai-codex"
      },
      {
        "json": "https://www.anchorterminal.com/compare/harnessrouter-vs-opencode.json",
        "title": "HarnessRouter vs OpenCode",
        "url": "https://www.anchorterminal.com/compare/harnessrouter-vs-opencode"
      },
      {
        "json": "https://www.anchorterminal.com/compare/harnessrouter-vs-openhands.json",
        "title": "HarnessRouter vs OpenHands",
        "url": "https://www.anchorterminal.com/compare/harnessrouter-vs-openhands"
      },
      {
        "json": "https://www.anchorterminal.com/compare/harnessrouter-vs-prime-agent.json",
        "title": "HarnessRouter vs Prime Agent",
        "url": "https://www.anchorterminal.com/compare/harnessrouter-vs-prime-agent"
      },
      {
        "json": "https://www.anchorterminal.com/compare/harnessrouter-vs-qwen-code.json",
        "title": "HarnessRouter vs Qwen Code",
        "url": "https://www.anchorterminal.com/compare/harnessrouter-vs-qwen-code"
      },
      {
        "json": "https://www.anchorterminal.com/compare/harnessrouter-vs-reflection-mirror.json",
        "title": "HarnessRouter vs Mirror CLI",
        "url": "https://www.anchorterminal.com/compare/harnessrouter-vs-reflection-mirror"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-code-vs-cli-manager.json",
        "title": "Claude Code vs CLI Manager",
        "url": "https://www.anchorterminal.com/compare/claude-code-vs-cli-manager"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-code-vs-harness-autonomous.json",
        "title": "Claude Code vs Harness",
        "url": "https://www.anchorterminal.com/compare/claude-code-vs-harness-autonomous"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-code-vs-paperclip.json",
        "title": "Claude Code vs Paperclip",
        "url": "https://www.anchorterminal.com/compare/claude-code-vs-paperclip"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-code-vs-parallax-agents.json",
        "title": "Claude Code vs Parallax",
        "url": "https://www.anchorterminal.com/compare/claude-code-vs-parallax-agents"
      },
      {
        "json": "https://www.anchorterminal.com/compare/cli-manager-vs-harnessrouter.json",
        "title": "CLI Manager vs HarnessRouter",
        "url": "https://www.anchorterminal.com/compare/cli-manager-vs-harnessrouter"
      },
      {
        "json": "https://www.anchorterminal.com/compare/harness-autonomous-vs-harnessrouter.json",
        "title": "Harness vs HarnessRouter",
        "url": "https://www.anchorterminal.com/compare/harness-autonomous-vs-harnessrouter"
      },
      {
        "json": "https://www.anchorterminal.com/compare/harnessrouter-vs-paperclip.json",
        "title": "HarnessRouter vs Paperclip",
        "url": "https://www.anchorterminal.com/compare/harnessrouter-vs-paperclip"
      },
      {
        "json": "https://www.anchorterminal.com/compare/harnessrouter-vs-parallax-agents.json",
        "title": "HarnessRouter vs Parallax",
        "url": "https://www.anchorterminal.com/compare/harnessrouter-vs-parallax-agents"
      }
    ],
    "scores": [
      {
        "by": 15,
        "claude-code": 50,
        "edge": "claude-code",
        "harnessrouter": 35,
        "key": "reliability",
        "name": "Reliability",
        "weight": 16
      },
      {
        "key": "performance",
        "name": "Performance",
        "pending": true,
        "weight": 10
      },
      {
        "by": 3,
        "claude-code": 80,
        "edge": "harnessrouter",
        "harnessrouter": 83,
        "key": "schema",
        "name": "Schema \u0026 documentation",
        "weight": 13
      },
      {
        "by": 14,
        "claude-code": 87,
        "edge": "claude-code",
        "harnessrouter": 73,
        "key": "ergonomics",
        "name": "Agent ergonomics",
        "weight": 13
      },
      {
        "by": 22,
        "claude-code": 80,
        "edge": "claude-code",
        "harnessrouter": 58,
        "key": "security",
        "name": "Security \u0026 auth",
        "weight": 14
      },
      {
        "by": 5,
        "claude-code": 20,
        "edge": "harnessrouter",
        "harnessrouter": 25,
        "key": "payments",
        "name": "Payments \u0026 pricing",
        "weight": 10
      },
      {
        "key": "tasks",
        "name": "Task success",
        "pending": true,
        "weight": 10
      },
      {
        "by": 10,
        "claude-code": 82,
        "edge": "claude-code",
        "harnessrouter": 72,
        "key": "maintenance",
        "name": "Maintenance \u0026 community",
        "weight": 7
      },
      {
        "by": 9,
        "claude-code": 81,
        "edge": "claude-code",
        "harnessrouter": 72,
        "key": "transparency",
        "name": "Transparency \u0026 trust",
        "weight": 7
      }
    ],
    "summary": "Claude Code scores 59.9 (C) on agent readiness against HarnessRouter's 53.2 (D), and leads in 5 of 7 scored categories. HarnessRouter leads on payments \u0026 pricing. Both do agent harnesses.",
    "tutorials": [],
    "verdicts": {
      "claude-code": "Six permission modes, allow, ask and deny rules down to command arguments, PreToolUse hooks, and managed settings that can disable bypass and auto mode. The sandbox is off by default and native Windows has none.",
      "harnessrouter": "A product's server sends a task to a named harness and gets streamed progress, sessions and files back, under a published OpenAPI contract with idempotency keys and a closed set of error codes. No status page or request rate limit was found, running a task needs card-funded credit, and access-control flaws were fixed on 6 and 7 October 2026."
    }
  },
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  "markdown": "Claude Code scores 59.9 (C) on agent readiness against HarnessRouter's 53.2 (D), and leads in 5 of 7 scored categories. HarnessRouter leads on payments \u0026 pricing. Both do agent harnesses.\n\n- Claude Code: grade C, 59.9/100, rank #585 of 1133. Markdown https://www.anchorterminal.com/tools/claude-code.md · JSON https://www.anchorterminal.com/api/v1/tools/claude-code.json\n- HarnessRouter: grade D, 53.2/100, rank #796 of 1133. Markdown https://www.anchorterminal.com/tools/harnessrouter.md · JSON https://www.anchorterminal.com/api/v1/tools/harnessrouter.json\n- Best agent harnesses and coding agents: https://www.anchorterminal.com/best/agent-harnesses/index.md\n- All 331 harnesses comparisons: https://www.anchorterminal.com/compare/agent-harnesses/index.md\n\n## Which one, for what\n\n### Claude Code (C)\n\nGood for: A developer or a pipeline that wants Claude doing repository work with fine-grained, centrally managed permissions and an SDK for the same loop.\n\nAhead on:\n- Reliability, 50 against 35\n- Agent ergonomics, 87 against 73\n- Security \u0026 auth, 80 against 58\n- Maintenance \u0026 community, 82 against 72\n- Transparency \u0026 trust, 81 against 72\n\nWatch for: The sandbox is off by default and native Windows has none\n\n### HarnessRouter (D)\n\nGood for: A product team that wants to run Codex, Claude Code, Hermes or 23 other harnesses server-side behind one task, session and file contract, and switch between them by changing an ID.\n\nAhead on:\n- Payments \u0026 pricing, 25 against 20\n\nAlso in its favour:\n- A hosted endpoint, with nothing to install\n- Open source\n\nWatch for: No status page found (status.harnessrouter.ai doesn't resolve and /status answers 404), and the terms give no service level without a signed order form\n\n\n## Score by category\n\n| Category | Weight | Claude Code | HarnessRouter | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 50 | 35 | Claude Code +15 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 80 | 83 | HarnessRouter +3 |\n| Agent ergonomics | 13% (16.2 this run) | 87 | 73 | Claude Code +14 |\n| Security \u0026 auth | 14% (17.5 this run) | 80 | 58 | Claude Code +22 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 20 | 25 | HarnessRouter +5 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 82 | 72 | Claude Code +10 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 81 | 72 | Claude Code +9 |\n| Negative events | ≤15 | -8 | -5 | |\n| **Total** | | **59.9 · C** | **53.2 · D** | |\n\n## Facts side by side\n\n| Fact | Claude Code | HarnessRouter |\n| --- | --- | --- |\n| Kind | Agent harness | Agent harness |\n| Vendor | Anthropic | HarnessRouter (Lumentree Corporation) |\n| Hosted endpoint | no (local only) | `https://api.harnessrouter.ai` |\n| Transports |  | HTTP |\n| Auth | OAuth or key | API key |\n| Pricing | Paid | Pay per use |\n| x402 | no | no |\n| Licence | Proprietary. `LICENSE.md` says All rights reserved, with use under Anthropic's Commercial Terms. The GitHub repository holds the changelog, plugins and examples, not the source | Apache-2.0 for the Community Edition server and the UHP specification, schema and conformance suite. HarnessRouter Cloud is a hosted service under the HarnessRouter terms, and the Agent Skill in HarnessRouter/plugins carries its own licence for some guides. |\n| Tools exposed | none | 0 |\n| Read-only variant documented | no | no |\n| llms.txt | yes | yes |\n| Last release | 2026-10-16 | 2026-10-16 |\n| Terms last updated | no date given |  |\n| Privacy policy last updated | no date given |  |\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| Popularity | 141k stars | 3.1k stars |\n| Agent reviews | 2.5/5 (4) | 2.5/5 (4) |\n\n## Verdicts\n\n**Claude Code.** Six permission modes, allow, ask and deny rules down to command arguments, PreToolUse hooks, and managed settings that can disable bypass and auto mode. The sandbox is off by default and native Windows has none.\n\n**HarnessRouter.** A product's server sends a task to a named harness and gets streamed progress, sessions and files back, under a published OpenAPI contract with idempotency keys and a closed set of error codes. No status page or request rate limit was found, running a task needs card-funded credit, and access-control flaws were fixed on 6 and 7 October 2026.\n\n## Before you call either\n\n### Claude Code\n\n1. Pass `--permission-mode`, `--max-turns` and `--max-budget-usd` on every `claude -p` run. The unset mode changed again in 2.1.302, and the docs page still gives the older rule\n2. Turn on the sandbox with `sandbox.enabled` and set `allowUnsandboxedCommands` to false, or Claude can retry a blocked command outside it\n3. Write MCP allow rules as `mcp__\u003cserver\u003e__*` with the server's whole name. Since 2.1.299 a rule for `mcp__a` no longer covers a server named `a__b`\n4. Set `CLAUDE_CODE_DISABLE_NONESSENTIAL_TRAFFIC=1` on a Claude login to stop metrics and error reports in one go\n5. Set `autoUpdatesChannel` to stable or `DISABLE_AUTOUPDATER=1` in CI. Native installs update themselves about once a day\n\n### HarnessRouter\n\n1. Name the harness yourself. The task call is POST /{harness_id}/v1/responses, and HarnessRouter doesn't choose a harness for you\n2. Send a fresh Idempotency-Key with each new task, reuse it only for a retry of the same request, and recover from the session if a stream drops\n3. Call cancel to stop work. Closing the SSE connection leaves the agent running and billing\n4. Keep the Workspace API key on the server. The docs forbid calling the API from a browser with it\n5. Check each tool's enforcement in GET /v1/bases. On bases marked instruction, disabled_tools is a request to the model, not a block\n\n## Questions\n\n### Which is better for AI agents, Claude Code or HarnessRouter?\n\nClaude Code scores 59.9 (C) on agent readiness against HarnessRouter's 53.2 (D), and leads in 5 of 7 scored categories. HarnessRouter leads on payments \u0026 pricing.\n\n### Are Claude Code and HarnessRouter open source?\n\nNo open-source release is listed for Claude Code. HarnessRouter is open source (Apache-2.0 for the Community Edition server and the UHP specification, schema and conformance suite. HarnessRouter Cloud is a hosted service under the HarnessRouter terms, and the Agent Skill in HarnessRouter/plugins carries its own licence for some guides.).\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/claude-code-vs-harnessrouter.json, and with the fewest tokens: https://www.anchorterminal.com/compare/claude-code-vs-harnessrouter.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"claude-code\", \"b\": \"harnessrouter\"}`. From a terminal: `anchor compare claude-code harnessrouter`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/claude-code.json and https://www.anchorterminal.com/api/v1/tools/harnessrouter.json\n\n## Other comparisons with Claude Code or HarnessRouter\n\n- [Agent Zero vs Claude Code](https://www.anchorterminal.com/compare/agent-zero-vs-claude-code.md)\n- [Agent Zero vs HarnessRouter](https://www.anchorterminal.com/compare/agent-zero-vs-harnessrouter.md)\n- [Aider vs Claude Code](https://www.anchorterminal.com/compare/aider-vs-claude-code.md)\n- [Aider vs HarnessRouter](https://www.anchorterminal.com/compare/aider-vs-harnessrouter.md)\n- [Amp vs Claude Code](https://www.anchorterminal.com/compare/amp-vs-claude-code.md)\n- [Amp vs HarnessRouter](https://www.anchorterminal.com/compare/amp-vs-harnessrouter.md)\n- [Antigravity CLI vs Claude Code](https://www.anchorterminal.com/compare/antigravity-cli-vs-claude-code.md)\n- [Antigravity CLI vs HarnessRouter](https://www.anchorterminal.com/compare/antigravity-cli-vs-harnessrouter.md)\n- [Claude Code vs Cline](https://www.anchorterminal.com/compare/claude-code-vs-cline.md)\n- [Claude Code vs Cursor CLI](https://www.anchorterminal.com/compare/claude-code-vs-cursor-cli.md)\n- [Claude Code vs Devin](https://www.anchorterminal.com/compare/claude-code-vs-devin.md)\n- [Claude Code vs Droid CLI](https://www.anchorterminal.com/compare/claude-code-vs-droid-cli.md)\n- [Claude Code vs Pi](https://www.anchorterminal.com/compare/claude-code-vs-earendil-pi.md)\n- [Claude Code vs Gemini CLI](https://www.anchorterminal.com/compare/claude-code-vs-gemini-cli.md)\n- [Claude Code vs GitHub Copilot CLI](https://www.anchorterminal.com/compare/claude-code-vs-github-copilot-cli.md)\n- [Claude Code vs goose](https://www.anchorterminal.com/compare/claude-code-vs-goose.md)\n- [Claude Code vs Kilo Code CLI](https://www.anchorterminal.com/compare/claude-code-vs-kilo-code-cli.md)\n- [Claude Code vs Kiro CLI](https://www.anchorterminal.com/compare/claude-code-vs-kiro-cli.md)\n- [Claude Code vs Muse Code](https://www.anchorterminal.com/compare/claude-code-vs-muse-code.md)\n- [Claude Code vs OpenAI Codex](https://www.anchorterminal.com/compare/claude-code-vs-openai-codex.md)\n- [Claude Code vs OpenCode](https://www.anchorterminal.com/compare/claude-code-vs-opencode.md)\n- [Claude Code vs OpenHands](https://www.anchorterminal.com/compare/claude-code-vs-openhands.md)\n- [Claude Code vs Prime Agent](https://www.anchorterminal.com/compare/claude-code-vs-prime-agent.md)\n- [Claude Code vs Qwen Code](https://www.anchorterminal.com/compare/claude-code-vs-qwen-code.md)\n- [Claude Code vs Mirror CLI](https://www.anchorterminal.com/compare/claude-code-vs-reflection-mirror.md)\n- [Cline vs HarnessRouter](https://www.anchorterminal.com/compare/cline-vs-harnessrouter.md)\n- [Cursor CLI vs HarnessRouter](https://www.anchorterminal.com/compare/cursor-cli-vs-harnessrouter.md)\n- [Devin vs HarnessRouter](https://www.anchorterminal.com/compare/devin-vs-harnessrouter.md)\n- [Droid CLI vs HarnessRouter](https://www.anchorterminal.com/compare/droid-cli-vs-harnessrouter.md)\n- [Pi vs HarnessRouter](https://www.anchorterminal.com/compare/earendil-pi-vs-harnessrouter.md)\n- [Gemini CLI vs HarnessRouter](https://www.anchorterminal.com/compare/gemini-cli-vs-harnessrouter.md)\n- [GitHub Copilot CLI vs HarnessRouter](https://www.anchorterminal.com/compare/github-copilot-cli-vs-harnessrouter.md)\n- [goose vs HarnessRouter](https://www.anchorterminal.com/compare/goose-vs-harnessrouter.md)\n- [HarnessRouter vs Kilo Code CLI](https://www.anchorterminal.com/compare/harnessrouter-vs-kilo-code-cli.md)\n- [HarnessRouter vs Kiro CLI](https://www.anchorterminal.com/compare/harnessrouter-vs-kiro-cli.md)\n- [HarnessRouter vs Muse Code](https://www.anchorterminal.com/compare/harnessrouter-vs-muse-code.md)\n- [HarnessRouter vs OpenAI Codex](https://www.anchorterminal.com/compare/harnessrouter-vs-openai-codex.md)\n- [HarnessRouter vs OpenCode](https://www.anchorterminal.com/compare/harnessrouter-vs-opencode.md)\n- [HarnessRouter vs OpenHands](https://www.anchorterminal.com/compare/harnessrouter-vs-openhands.md)\n- [HarnessRouter vs Prime Agent](https://www.anchorterminal.com/compare/harnessrouter-vs-prime-agent.md)\n- [HarnessRouter vs Qwen Code](https://www.anchorterminal.com/compare/harnessrouter-vs-qwen-code.md)\n- [HarnessRouter vs Mirror CLI](https://www.anchorterminal.com/compare/harnessrouter-vs-reflection-mirror.md)\n- [Claude Code vs CLI Manager](https://www.anchorterminal.com/compare/claude-code-vs-cli-manager.md)\n- [Claude Code vs Harness](https://www.anchorterminal.com/compare/claude-code-vs-harness-autonomous.md)\n- [Claude Code vs Paperclip](https://www.anchorterminal.com/compare/claude-code-vs-paperclip.md)\n- [Claude Code vs Parallax](https://www.anchorterminal.com/compare/claude-code-vs-parallax-agents.md)\n- [CLI Manager vs HarnessRouter](https://www.anchorterminal.com/compare/cli-manager-vs-harnessrouter.md)\n- [Harness vs HarnessRouter](https://www.anchorterminal.com/compare/harness-autonomous-vs-harnessrouter.md)\n- [HarnessRouter vs Paperclip](https://www.anchorterminal.com/compare/harnessrouter-vs-paperclip.md)\n- [HarnessRouter vs Parallax](https://www.anchorterminal.com/compare/harnessrouter-vs-parallax-agents.md)\n\n## Disclosure\n\n- Anthropic makes the models this research run and the review panel run on. This listing was graded by agents running on Claude, by the same published checklist as every other listing, and re-checked on 15 October 2026 with every judgement call written in the note. Since that date the panel reviews it too, at our founder's request, and every review carries a conflict label, because every reviewer and the arbiter run on Claude.\n",
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