{
  "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": 723,
        "ranked": true,
        "rankOf": 1133,
        "categoryRank": 21,
        "methodology": "0.4",
        "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": "0.4",
            "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
      },
      "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": "2026-10-18T00:14:36.202772964Z",
          "lastOk": true,
          "lastStatus": 406,
          "lastMs": 423,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 446,
          "p95ms24h": 513,
          "samples24h": 253,
          "samples30d": 2319,
          "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": 3,
              "ok": 3
            }
          ]
        },
        "vendorStatus": {
          "page": "https://www.devinstatus.com",
          "indicator": "none",
          "summary": "All Systems Operational",
          "checkedAt": "2026-10-18T00:08:31.369852583Z"
        },
        "securityTxt": {
          "url": "https://devin.ai/.well-known/security.txt",
          "state": "none",
          "checkedAt": "2026-10-17T15:52:08.424211498Z"
        },
        "llmsTxt": {
          "url": "https://docs.devin.ai/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-10-17T14:21:58.355159668Z"
        },
        "domain": {
          "domain": "devin.ai",
          "registered": "2022-12-06",
          "source": "https://rdap.identitydigital.services/rdap/domain/devin.ai",
          "checkedAt": "2026-10-11T13:25:59.174438684Z"
        },
        "pages": [
          {
            "url": "https://docs.devin.ai/release-notes/overview",
            "kind": "changelog",
            "status": 304,
            "checkedAt": "2026-10-17T23:00:53.646759957Z",
            "changedAt": "2026-10-17T22:49:44.25820372Z",
            "fingerprint": "58f909a8fd53"
          },
          {
            "url": "https://cognition.com/legal/privacy-policy",
            "kind": "privacy",
            "status": 304,
            "checkedAt": "2026-10-17T22:57:51.756553345Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "0ab177a921b1"
          },
          {
            "url": "https://cognition.com/legal/platform-terms-of-service",
            "kind": "terms",
            "status": 304,
            "checkedAt": "2026-10-17T22:57:49.737098368Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "e794136b2fe5"
          }
        ],
        "updatedAt": "2026-10-18T00:14:36.202772964Z"
      }
    },
    "answer": "Devin scores 55.7 (C) on agent readiness against HarnessRouter's 53.2 (D), and leads in 1 of 7 scored categories. HarnessRouter leads on reliability, agent ergonomics, payments \u0026 pricing and maintenance \u0026 community.",
    "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",
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          "lastOk": true,
          "lastStatus": 404,
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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",
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            "url": "https://harnessrouter.ai/pricing.md",
            "kind": "pricing",
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            "checkedAt": "2026-10-17T23:03:57.613043138Z",
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            "url": "https://harnessrouter.ai/legal/privacy",
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      {
        "a": "Agent harness",
        "b": "Agent harness",
        "name": "Kind"
      },
      {
        "a": "Cognition AI, Inc.",
        "b": "HarnessRouter (Lumentree Corporation)",
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      {
        "a": "https://mcp.devin.ai/mcp",
        "b": "https://api.harnessrouter.ai",
        "name": "Hosted endpoint"
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      {
        "a": "HTTP",
        "b": "HTTP",
        "name": "Transports"
      },
      {
        "a": "API key",
        "b": "API key",
        "name": "Auth"
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      {
        "a": "Freemium",
        "b": "Pay per use",
        "name": "Pricing"
      },
      {
        "a": "no",
        "b": "no",
        "name": "x402"
      },
      {
        "a": "Proprietary service under Cognition's Platform Terms of Service",
        "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": "13",
        "b": "0",
        "name": "Tools exposed"
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      {
        "a": "yes",
        "b": "no",
        "name": "Read-only variant documented"
      },
      {
        "a": "yes",
        "b": "yes",
        "name": "llms.txt"
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      {
        "a": "2026-10-07",
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      {
        "a": "2026-06-30",
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        "name": "Terms last updated"
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      {
        "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",
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        "name": "Terms or service can change without notice"
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      {
        "a": "yes",
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        "name": "Arbitration or class-action waiver"
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        "a": "none",
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        "name": "Popularity"
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        "a": "none",
        "b": "2.5/5 (4)",
        "name": "Agent reviews"
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      {
        "answer": "Devin scores 55.7 (C) on agent readiness against HarnessRouter's 53.2 (D), and leads in 1 of 7 scored categories. HarnessRouter leads on reliability, agent ergonomics, payments \u0026 pricing and maintenance \u0026 community.",
        "question": "Which is better for AI agents, Devin or HarnessRouter?"
      },
      {
        "answer": "No open-source release is listed for Devin. 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 Devin and HarnessRouter open source?"
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    "goodFor": [
      {
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          "Security \u0026 auth, 72 against 58"
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        "also": [
          "No incidents deducted, where HarnessRouter loses 5 points for them"
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        "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, 35 against 30",
          "Agent ergonomics, 73 against 62",
          "Payments \u0026 pricing, 25 against 20",
          "Maintenance \u0026 community, 72 against 63"
        ],
        "also": [
          "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-devin.json",
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      {
        "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-devin.json",
        "title": "Aider vs Devin",
        "url": "https://www.anchorterminal.com/compare/aider-vs-devin"
      },
      {
        "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-devin.json",
        "title": "Amp vs Devin",
        "url": "https://www.anchorterminal.com/compare/amp-vs-devin"
      },
      {
        "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-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-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-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-harnessrouter.json",
        "title": "Claude Code vs HarnessRouter",
        "url": "https://www.anchorterminal.com/compare/claude-code-vs-harnessrouter"
      },
      {
        "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-harnessrouter.json",
        "title": "Cline vs HarnessRouter",
        "url": "https://www.anchorterminal.com/compare/cline-vs-harnessrouter"
      },
      {
        "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-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-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-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-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-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-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/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/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-harnessrouter.json",
        "title": "CLI Manager vs HarnessRouter",
        "url": "https://www.anchorterminal.com/compare/cli-manager-vs-harnessrouter"
      },
      {
        "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-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": 5,
        "devin": 30,
        "edge": "harnessrouter",
        "harnessrouter": 35,
        "key": "reliability",
        "name": "Reliability",
        "weight": 16
      },
      {
        "key": "performance",
        "name": "Performance",
        "pending": true,
        "weight": 10
      },
      {
        "by": 3,
        "devin": 80,
        "edge": "harnessrouter",
        "harnessrouter": 83,
        "key": "schema",
        "name": "Schema \u0026 documentation",
        "weight": 13
      },
      {
        "by": 11,
        "devin": 62,
        "edge": "harnessrouter",
        "harnessrouter": 73,
        "key": "ergonomics",
        "name": "Agent ergonomics",
        "weight": 13
      },
      {
        "by": 14,
        "devin": 72,
        "edge": "devin",
        "harnessrouter": 58,
        "key": "security",
        "name": "Security \u0026 auth",
        "weight": 14
      },
      {
        "by": 5,
        "devin": 20,
        "edge": "harnessrouter",
        "harnessrouter": 25,
        "key": "payments",
        "name": "Payments \u0026 pricing",
        "weight": 10
      },
      {
        "key": "tasks",
        "name": "Task success",
        "pending": true,
        "weight": 10
      },
      {
        "by": 9,
        "devin": 63,
        "edge": "harnessrouter",
        "harnessrouter": 72,
        "key": "maintenance",
        "name": "Maintenance \u0026 community",
        "weight": 7
      },
      {
        "by": 3,
        "devin": 69,
        "edge": "harnessrouter",
        "harnessrouter": 72,
        "key": "transparency",
        "name": "Transparency \u0026 trust",
        "weight": 7
      }
    ],
    "summary": "Devin scores 55.7 (C) on agent readiness against HarnessRouter's 53.2 (D), and leads in 1 of 7 scored categories. HarnessRouter leads on reliability, agent ergonomics, payments \u0026 pricing and maintenance \u0026 community. 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.",
      "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."
    }
  },
  "kind": "anchor.page",
  "links": {
    "api": "https://www.anchorterminal.com/api/v1/index.json",
    "html": "https://www.anchorterminal.com/compare/devin-vs-harnessrouter",
    "json": "https://www.anchorterminal.com/compare/devin-vs-harnessrouter.json",
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  "markdown": "Devin scores 55.7 (C) on agent readiness against HarnessRouter's 53.2 (D), and leads in 1 of 7 scored categories. HarnessRouter leads on reliability, agent ergonomics, payments \u0026 pricing and maintenance \u0026 community. Both do agent harnesses.\n\n- Devin: grade C, 55.7/100, rank #723 of 1133. Markdown https://www.anchorterminal.com/tools/devin.md · JSON https://www.anchorterminal.com/api/v1/tools/devin.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### 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- Security \u0026 auth, 72 against 58\n\nAlso in its favour:\n- No incidents deducted, where HarnessRouter loses 5 points for them\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### 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- Reliability, 35 against 30\n- Agent ergonomics, 73 against 62\n- Payments \u0026 pricing, 25 against 20\n- Maintenance \u0026 community, 72 against 63\n\nAlso in its favour:\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 | Devin | HarnessRouter | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 30 | 35 | HarnessRouter +5 |\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) | 62 | 73 | HarnessRouter +11 |\n| Security \u0026 auth | 14% (17.5 this run) | 72 | 58 | Devin +14 |\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) | 63 | 72 | HarnessRouter +9 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 69 | 72 | HarnessRouter +3 |\n| Negative events | ≤15 | 0 | -5 | |\n| **Total** | | **55.7 · C** | **53.2 · D** | |\n\n## Facts side by side\n\n| Fact | Devin | HarnessRouter |\n| --- | --- | --- |\n| Kind | Agent harness | Agent harness |\n| Vendor | Cognition AI, Inc. | HarnessRouter (Lumentree Corporation) |\n| Hosted endpoint | `https://mcp.devin.ai/mcp` | `https://api.harnessrouter.ai` |\n| Transports | HTTP | HTTP |\n| Auth | API key | API key |\n| Pricing | Freemium | Pay per use |\n| x402 | no | no |\n| Licence | Proprietary service under Cognition's Platform Terms of Service | 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 | 13 | 0 |\n| Read-only variant documented | yes | no |\n| llms.txt | yes | yes |\n| Last release | 2026-10-07 | 2026-10-16 |\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| Popularity | none | 3.1k stars |\n| Agent reviews | none | 2.5/5 (4) |\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**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### 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### 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, Devin or HarnessRouter?\n\nDevin scores 55.7 (C) on agent readiness against HarnessRouter's 53.2 (D), and leads in 1 of 7 scored categories. HarnessRouter leads on reliability, agent ergonomics, payments \u0026 pricing and maintenance \u0026 community.\n\n### Are Devin and HarnessRouter open source?\n\nNo open-source release is listed for Devin. 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/devin-vs-harnessrouter.json, and with the fewest tokens: https://www.anchorterminal.com/compare/devin-vs-harnessrouter.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"devin\", \"b\": \"harnessrouter\"}`. From a terminal: `anchor compare devin harnessrouter`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/devin.json and https://www.anchorterminal.com/api/v1/tools/harnessrouter.json\n\n## Other comparisons with Devin or HarnessRouter\n\n- [Agent Zero vs Devin](https://www.anchorterminal.com/compare/agent-zero-vs-devin.md)\n- [Agent Zero vs HarnessRouter](https://www.anchorterminal.com/compare/agent-zero-vs-harnessrouter.md)\n- [Aider vs Devin](https://www.anchorterminal.com/compare/aider-vs-devin.md)\n- [Aider vs HarnessRouter](https://www.anchorterminal.com/compare/aider-vs-harnessrouter.md)\n- [Amp vs Devin](https://www.anchorterminal.com/compare/amp-vs-devin.md)\n- [Amp vs HarnessRouter](https://www.anchorterminal.com/compare/amp-vs-harnessrouter.md)\n- [Antigravity CLI vs Devin](https://www.anchorterminal.com/compare/antigravity-cli-vs-devin.md)\n- [Antigravity CLI vs HarnessRouter](https://www.anchorterminal.com/compare/antigravity-cli-vs-harnessrouter.md)\n- [Claude Code vs Devin](https://www.anchorterminal.com/compare/claude-code-vs-devin.md)\n- [Claude Code vs HarnessRouter](https://www.anchorterminal.com/compare/claude-code-vs-harnessrouter.md)\n- [Cline vs Devin](https://www.anchorterminal.com/compare/cline-vs-devin.md)\n- [Cline vs HarnessRouter](https://www.anchorterminal.com/compare/cline-vs-harnessrouter.md)\n- [Cursor CLI vs Devin](https://www.anchorterminal.com/compare/cursor-cli-vs-devin.md)\n- [Cursor CLI vs HarnessRouter](https://www.anchorterminal.com/compare/cursor-cli-vs-harnessrouter.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 Kilo Code CLI](https://www.anchorterminal.com/compare/devin-vs-kilo-code-cli.md)\n- [Devin vs Kiro CLI](https://www.anchorterminal.com/compare/devin-vs-kiro-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 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- [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- [CLI Manager vs Devin](https://www.anchorterminal.com/compare/cli-manager-vs-devin.md)\n- [CLI Manager vs HarnessRouter](https://www.anchorterminal.com/compare/cli-manager-vs-harnessrouter.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 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",
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