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        "reasons": []
      },
      "primary_finding": {
        "stage": "operate",
        "stage_label": "Operate",
        "public_state": "limited",
        "finding": {
          "signal_code": "failure_contract",
          "condition": "Can an agent handle applicable failure modes safely?",
          "finding": "Safe failure handling is documented only partially.",
          "context": "OpenRouter documents typed error codes across streaming and non-streaming responses and a Retry-After header section; the selected quotes do not establish idempotency or reconciliation semantics."
        }
      },
      "limitations": [
        {
          "stage": "operate",
          "stage_label": "Operate",
          "finding": {
            "signal_code": "failure_contract",
            "condition": "Can an agent handle applicable failure modes safely?",
            "finding": "Safe failure handling is documented only partially.",
            "context": "OpenRouter documents typed error codes across streaming and non-streaming responses and a Retry-After header section; the selected quotes do not establish idempotency or reconciliation semantics."
          },
          "remediation": {
            "signal_code": "failure_contract",
            "code": "improve.operate.failure_contract",
            "instruction": "Document applicable structured errors, retry, cancellation, and reconciliation semantics."
          }
        },
        {
          "stage": "operate",
          "stage_label": "Operate",
          "finding": {
            "signal_code": "credential_lifecycle",
            "condition": "Can an agent manage credential expiry, rotation, revocation, compromise, and recovery?",
            "finding": "Only part of the credential lifecycle is agent-operable.",
            "context": "OpenRouter documents API key creation with expiration dates and spending caps, requiring a management key. Key recovery and automated compromise handling remain unaddressed in the retained documentation."
          },
          "remediation": {
            "signal_code": "credential_lifecycle",
            "code": "improve.operate.credential_lifecycle",
            "instruction": "Provide scoped expiry, rotation, revocation, compromise, and recovery operations."
          }
        }
      ],
      "stages": [
        {
          "stage": "evaluate",
          "stage_label": "Evaluate",
          "outcome": "pass",
          "public_state": "ready",
          "state_label": "Ready",
          "primary_finding": {
            "signal_code": "service_discovery",
            "condition": "Can an agent find the exact service and its stable entrypoints?",
            "finding": "The exact service and stable evaluation or access entrypoints are publicly discoverable.",
            "context": "OpenRouter provides stable public entrypoints for service discovery, including `https://openrouter.ai/llms.txt` and the main API target `https://openrouter.ai/api/v1/chat/completions`."
          },
          "secondary_context": [
            {
              "signal_code": "terms_access",
              "condition": "Can an agent retrieve and understand the applicable commitment terms?",
              "finding": "Applicable terms are stable, readable, retrievable, and materially complete.",
              "context": "The Terms of Service page is readable, stable, and materially complete, detailing service overview, eligibility, accounts, credit policies, disclaimers, and governing terms."
            },
            {
              "signal_code": "eligibility_decidability",
              "condition": "Can an agent decide every material eligibility condition before commitment?",
              "finding": "Eligibility conditions and required inputs are explicit and decidable.",
              "context": "OpenRouter explicitly declares eligibility conditions in its Terms of Service. Users must be at least 18 years old, not previously suspended or removed from the Service, and in compliance with applicable laws and regulations. Users acting on behalf of an entity must have the authority to bind that organization."
            },
            {
              "signal_code": "pricing_decidability",
              "condition": "Can an agent estimate cost or confirm no-charge status before commitment?",
              "finding": "Price or no-charge status, variables, currency, and material conditions are explicit.",
              "context": "OpenRouter documents its pricing structure with explicit variables including prompt, completion, request, image, internal reasoning, and cache tokens, along with conditional pricing overrides."
            },
            {
              "signal_code": "structured_evaluation_discovery",
              "condition": "Are verified structured discovery artifacts available?",
              "finding": "Verified structured artifacts accelerate discovery of the evaluation surface.",
              "context": "OpenRouter provides verified structured discovery artifacts, including a machine-readable llms.txt index and a formal OpenAPI specification at openapi.json."
            },
            {
              "signal_code": "verified_web_agent_access",
              "condition": "Does the vendor deliberately describe access for web agents?",
              "finding": "Web-agent access policy is explicit and verified for the assessed resources.",
              "context": "OpenRouter explicitly describes and supports web agent access, offering an explicit `agents.md` setup guide, an MCP server integration guide for agents, and a permissive `robots.txt` policy allowing access (`User-Agent: * Allow: /`)."
            }
          ],
          "signals": [
            {
              "signal_code": "eligibility_decidability",
              "evaluation_role": "informational",
              "required": false,
              "value": "yes",
              "value_label": "Ready",
              "outcome": "pass",
              "public_state": "ready",
              "condition": "Can an agent decide every material eligibility condition before commitment?",
              "finding": "Eligibility conditions and required inputs are explicit and decidable.",
              "evidence_status": "supported",
              "freshness": "fresh",
              "observed_at": "2026-09-06T08:51:57.398Z",
              "tested_surfaces": [
                {
                  "node_kind": "resource",
                  "node_id": "service-terms"
                }
              ],
              "assessment_method": {
                "name": "public-semantic-assessment",
                "version": "2026-09-06",
                "method_digest": "sha256:02ec902925d3816c86a32a3d15dc2e7af6ce9931c24b9cf264063e596952d1c4"
              },
              "determination_bases": [
                {
                  "kind": "explicit_first_party_declaration",
                  "captures": [
                    {
                      "retained_capture_digest": "sha256:18d3f345018cf4809a5d1937750931a64cded2249c99deb1c55280cd288cf596",
                      "capture_rung": "http"
                    }
                  ],
                  "artifact_digests": [
                    "sha256:48edcfdd1b2831aff23f8b386591d87c2d697f575a45b71a9e2b4d07aaad1e8d",
                    "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945",
                    "sha256:5017f1f11a8510484e4dfbe0f963b64d7810711b60d8e8623f77407fa2de26f6",
                    "sha256:9a04e9aaba9ab507e5b6737e21dc7a2111eaecf6e85f038ad475380d7c9c945d"
                  ],
                  "source_surface": {
                    "node_kind": "resource",
                    "node_id": "service-terms"
                  },
                  "locators": [
                    {
                      "artifact_digest": "sha256:5017f1f11a8510484e4dfbe0f963b64d7810711b60d8e8623f77407fa2de26f6",
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                      "value_digest": "sha256:28577e55953d8940bf0dd0fcc7afc66481120d3c458d75fee947f34d76d5e869"
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                      "artifact_digest": "sha256:5017f1f11a8510484e4dfbe0f963b64d7810711b60d8e8623f77407fa2de26f6",
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                      "value_digest": "sha256:0d761fb2d91af1f39c5841db6216fd71e2e2c5636f1124db98e360b3042bbdc0"
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              ],
              "note": "OpenRouter explicitly declares eligibility conditions in its Terms of Service. Users must be at least 18 years old, not previously suspended or removed from the Service, and in compliance with applicable laws and regulations. Users acting on behalf of an entity must have the authority to bind that organization."
            },
            {
              "signal_code": "pricing_decidability",
              "evaluation_role": "graded",
              "required": true,
              "value": "yes",
              "value_label": "Ready",
              "outcome": "pass",
              "public_state": "ready",
              "condition": "Can an agent estimate cost or confirm no-charge status before commitment?",
              "finding": "Price or no-charge status, variables, currency, and material conditions are explicit.",
              "evidence_status": "supported",
              "freshness": "fresh",
              "observed_at": "2026-09-06T08:50:40.490Z",
              "tested_surfaces": [
                {
                  "node_kind": "resource",
                  "node_id": "credit-checkout"
                },
                {
                  "node_kind": "resource",
                  "node_id": "credits-api"
                },
                {
                  "node_kind": "resource",
                  "node_id": "live-model-catalog"
                },
                {
                  "node_kind": "resource",
                  "node_id": "model-catalog-guide"
                },
                {
                  "node_kind": "resource",
                  "node_id": "pricing-and-billing"
                },
                {
                  "node_kind": "resource",
                  "node_id": "readiness-bd3a229fc6f0de08d49dbcbdc71329a79f87341b81a2308a74db49665a3c2818"
                }
              ],
              "assessment_method": {
                "name": "public-semantic-assessment",
                "version": "2026-09-06",
                "method_digest": "sha256:02ec902925d3816c86a32a3d15dc2e7af6ce9931c24b9cf264063e596952d1c4"
              },
              "determination_bases": [
                {
                  "kind": "explicit_first_party_declaration",
                  "captures": [
                    {
                      "retained_capture_digest": "sha256:25d48478a0cd0555af631ecc14ab6290ea4566552ae51533cc6b80783735ce06",
                      "capture_rung": "http"
                    }
                  ],
                  "artifact_digests": [
                    "sha256:4604534111a67148cb309df1a56012328d9234848d88e71172894d5d86e87bb3",
                    "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945",
                    "sha256:cb9266763dfc33038f7da64185af567aa8b06694ffc0f5f2052c6e0691710309",
                    "sha256:d6f2465fb12161b716bd43f1de063c1c6e7f97d4dc4220397dca709c172460d5"
                  ],
                  "source_surface": {
                    "node_kind": "resource",
                    "node_id": "model-catalog-guide"
                  },
                  "locators": [
                    {
                      "artifact_digest": "sha256:4604534111a67148cb309df1a56012328d9234848d88e71172894d5d86e87bb3",
                      "start_byte": 15637,
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                      "value_digest": "sha256:4aab847656100dc2f8c6f376aa68a80bb35b425cd1c8d41b30dc2dbcf36614d1"
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                      "value_digest": "sha256:fdd31fae039a2c42a67a8b4ac1cdb3c720fb40c4b68b529203b2b532ff5d837a"
                    }
                  ]
                }
              ],
              "note": "OpenRouter documents its pricing structure with explicit variables including prompt, completion, request, image, internal reasoning, and cache tokens, along with conditional pricing overrides."
            },
            {
              "signal_code": "service_discovery",
              "evaluation_role": "graded",
              "required": true,
              "value": "yes",
              "value_label": "Ready",
              "outcome": "pass",
              "public_state": "ready",
              "condition": "Can an agent find the exact service and its stable entrypoints?",
              "finding": "The exact service and stable evaluation or access entrypoints are publicly discoverable.",
              "evidence_status": "supported",
              "freshness": "fresh",
              "observed_at": "2026-09-06T08:51:55.494Z",
              "tested_surfaces": [
                {
                  "node_kind": "resource",
                  "node_id": "agent-discovery-index"
                },
                {
                  "node_kind": "resource",
                  "node_id": "agent-setup-guide"
                },
                {
                  "node_kind": "resource",
                  "node_id": "live-model-catalog"
                },
                {
                  "node_kind": "resource",
                  "node_id": "mcp-guide"
                },
                {
                  "node_kind": "resource",
                  "node_id": "model-catalog-guide"
                },
                {
                  "node_kind": "resource",
                  "node_id": "openapi-description"
                },
                {
                  "node_kind": "resource",
                  "node_id": "quickstart"
                }
              ],
              "assessment_method": {
                "name": "public-semantic-assessment",
                "version": "2026-09-06",
                "method_digest": "sha256:02ec902925d3816c86a32a3d15dc2e7af6ce9931c24b9cf264063e596952d1c4"
              },
              "determination_bases": [
                {
                  "kind": "direct_observation",
                  "captures": [
                    {
                      "retained_capture_digest": "sha256:5da1a7a3a0b9f78e6b0c3767d902306981768e5a5deaa9fbf3c101f82dd1b40d",
                      "capture_rung": "http"
                    },
                    {
                      "retained_capture_digest": "sha256:948c72267af7173b827ff01a5eff6bc1732a36f421722f05b73761bceb839d13",
                      "capture_rung": "http"
                    }
                  ],
                  "artifact_digests": [
                    "sha256:42b560662ace0429775c12a98858603744fcc33577da422630fa67350a482eb8",
                    "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945",
                    "sha256:7c641f2d764db268f5c38ec71fa640d20be5ea69bb9087a37856c844b5e1844c",
                    "sha256:b425ce6f172878d21103ea692999be39a37bf5276c1d7457e635581e38b65a77",
                    "sha256:d5c85168fa52e271e46081e10096ee8de087cecf1a9e017917255de3c5aa2131",
                    "sha256:e2c9e0a9827e5fb0c49251bfa94a938bf46c12e1184ed350fcc7ef655a880c97"
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                  "locators": [
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                      "value_digest": "sha256:5067b29ca97db5cc0bd7d2d15e7e156d819288ddd489f796002ce888318b94f3"
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              ],
              "note": "OpenRouter provides stable public entrypoints for service discovery, including `https://openrouter.ai/llms.txt` and the main API target `https://openrouter.ai/api/v1/chat/completions`."
            },
            {
              "signal_code": "structured_evaluation_discovery",
              "evaluation_role": "informational",
              "required": false,
              "value": "yes",
              "value_label": "Ready",
              "outcome": "pass",
              "public_state": "ready",
              "condition": "Are verified structured discovery artifacts available?",
              "finding": "Verified structured artifacts accelerate discovery of the evaluation surface.",
              "evidence_status": "supported",
              "freshness": "fresh",
              "observed_at": "2026-09-06T08:50:40.034Z",
              "tested_surfaces": [
                {
                  "node_kind": "resource",
                  "node_id": "agent-discovery-index"
                },
                {
                  "node_kind": "resource",
                  "node_id": "agent-setup-guide"
                },
                {
                  "node_kind": "resource",
                  "node_id": "live-model-catalog"
                },
                {
                  "node_kind": "resource",
                  "node_id": "mcp-guide"
                },
                {
                  "node_kind": "resource",
                  "node_id": "model-catalog-guide"
                },
                {
                  "node_kind": "resource",
                  "node_id": "oauth-pkce"
                },
                {
                  "node_kind": "resource",
                  "node_id": "openapi-description"
                },
                {
                  "node_kind": "resource",
                  "node_id": "quickstart"
                }
              ],
              "assessment_method": {
                "name": "public-semantic-assessment",
                "version": "2026-09-06",
                "method_digest": "sha256:02ec902925d3816c86a32a3d15dc2e7af6ce9931c24b9cf264063e596952d1c4"
              },
              "determination_bases": [
                {
                  "kind": "direct_observation",
                  "captures": [
                    {
                      "retained_capture_digest": "sha256:50d11d9659a4f83d61370af8eefe5d2371a06694c4c862a21498e3c104197647",
                      "capture_rung": "http"
                    },
                    {
                      "retained_capture_digest": "sha256:948c72267af7173b827ff01a5eff6bc1732a36f421722f05b73761bceb839d13",
                      "capture_rung": "http"
                    }
                  ],
                  "artifact_digests": [
                    "sha256:1819b8ba8f62551a02b340ca15a1d454ce4c499aed6f7f3c74ea3e57b972b1ad",
                    "sha256:19769ba43b55b22cf944c32230bf1409d7b871b6a36d1a3bf28df36bac1076c1",
                    "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945",
                    "sha256:57ba9ab2a7ab88e799023b4df0e703da03f14280afa49e82411f8a59578381e9",
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              ],
              "note": "OpenRouter provides verified structured discovery artifacts, including a machine-readable llms.txt index and a formal OpenAPI specification at openapi.json."
            },
            {
              "signal_code": "terms_access",
              "evaluation_role": "informational",
              "required": false,
              "value": "yes",
              "value_label": "Ready",
              "outcome": "pass",
              "public_state": "ready",
              "condition": "Can an agent retrieve and understand the applicable commitment terms?",
              "finding": "Applicable terms are stable, readable, retrievable, and materially complete.",
              "evidence_status": "supported",
              "freshness": "fresh",
              "observed_at": "2026-09-06T08:51:57.398Z",
              "tested_surfaces": [
                {
                  "node_kind": "resource",
                  "node_id": "service-terms"
                }
              ],
              "assessment_method": {
                "name": "public-semantic-assessment",
                "version": "2026-09-06",
                "method_digest": "sha256:02ec902925d3816c86a32a3d15dc2e7af6ce9931c24b9cf264063e596952d1c4"
              },
              "determination_bases": [
                {
                  "kind": "explicit_first_party_declaration",
                  "captures": [
                    {
                      "retained_capture_digest": "sha256:18d3f345018cf4809a5d1937750931a64cded2249c99deb1c55280cd288cf596",
                      "capture_rung": "http"
                    }
                  ],
                  "artifact_digests": [
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                    "sha256:5017f1f11a8510484e4dfbe0f963b64d7810711b60d8e8623f77407fa2de26f6",
                    "sha256:9a04e9aaba9ab507e5b6737e21dc7a2111eaecf6e85f038ad475380d7c9c945d",
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                    "node_id": "service-terms"
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                  "locators": [
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              ],
              "note": "The Terms of Service page is readable, stable, and materially complete, detailing service overview, eligibility, accounts, credit policies, disclaimers, and governing terms."
            },
            {
              "signal_code": "verified_web_agent_access",
              "evaluation_role": "informational",
              "required": false,
              "value": "yes",
              "value_label": "Ready",
              "outcome": "pass",
              "public_state": "ready",
              "condition": "Does the vendor deliberately describe access for web agents?",
              "finding": "Web-agent access policy is explicit and verified for the assessed resources.",
              "evidence_status": "supported",
              "freshness": "fresh",
              "observed_at": "2026-09-06T08:51:53.198Z",
              "tested_surfaces": [
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                },
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                  "node_id": "crawler-policy"
                },
                {
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                  "node_id": "live-model-catalog"
                },
                {
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                },
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                },
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                  "node_id": "oauth-pkce"
                },
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              ],
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              "determination_bases": [
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                    "sha256:9fe73a299f992ac6aedfb2d12c7ea9b3d81161bbff338ac8248f1e6aa9bed272",
                    "sha256:db6adbcdc8d2272e9d9416c7c24e28342fd9246d42b00d6e4118b35c723308c8"
                  ],
                  "locators": [
                    {
                      "artifact_digest": "sha256:9fe73a299f992ac6aedfb2d12c7ea9b3d81161bbff338ac8248f1e6aa9bed272",
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                    {
                      "artifact_digest": "sha256:db6adbcdc8d2272e9d9416c7c24e28342fd9246d42b00d6e4118b35c723308c8",
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              ],
              "note": "OpenRouter explicitly describes and supports web agent access, offering an explicit `agents.md` setup guide, an MCP server integration guide for agents, and a permissive `robots.txt` policy allowing access (`User-Agent: * Allow: /`)."
            }
          ],
          "blockers": [],
          "remediations": []
        },
        {
          "stage": "sign_up",
          "stage_label": "Sign up",
          "outcome": "pass",
          "public_state": "ready",
          "state_label": "Ready",
          "primary_finding": {
            "signal_code": "access_entrypoint_stability",
            "condition": "Is there a stable route to begin obtaining service access?",
            "finding": "A stable canonical route begins the required access bootstrap.",
            "context": "OpenRouter provides a stable canonical OAuth PKCE guide and route to initiate user authorization and obtain service access."
          },
          "secondary_context": [
            {
              "signal_code": "access_control_operability",
              "condition": "Can an agent operate the access controls and safe handoffs deterministically?",
              "finding": "Current admissible evidence does not resolve this finding.",
              "context": "The captured sign-up page shows navigation links and headings but lacks documented forms, validation rules, or complete handoff controls."
            },
            {
              "signal_code": "captcha_compatible_access",
              "condition": "Can an agent obtain access without an unsupported CAPTCHA boundary?",
              "finding": "Current admissible evidence does not resolve this finding.",
              "context": "The retained evidence from the sign-up surface, crawler policy, and OAuth guides does not state or show CAPTCHA requirements or verified-agent alternatives."
            },
            {
              "signal_code": "phone_verification_compatible",
              "condition": "Can required phone verification be completed through a supported boundary?",
              "finding": "Current admissible evidence does not resolve this finding.",
              "context": "The retained sign-up page and OAuth PKCE documentation contain no declarations or observations regarding phone verification requirements."
            },
            {
              "signal_code": "delegated_identity_access",
              "condition": "Can an agent obtain scoped, revocable authority for this service?",
              "finding": "Scoped revocable credentials or delegated authorization have explicit consent and resumption boundaries.",
              "context": "OpenRouter supports delegated OAuth PKCE issuing dedicated API keys with default spend limits, 7-day expiry, and dashboard revocation."
            }
          ],
          "signals": [
            {
              "signal_code": "access_control_operability",
              "evaluation_role": "barrier",
              "required": false,
              "value": "unknown",
              "value_label": "Unknown",
              "outcome": "unknown",
              "public_state": "unknown",
              "condition": "Can an agent operate the access controls and safe handoffs deterministically?",
              "finding": "Current admissible evidence does not resolve this finding.",
              "evidence_status": "supported",
              "freshness": "fresh",
              "observed_at": "2026-09-06T08:51:32.162Z",
              "tested_surfaces": [
                {
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                  "node_id": "registration"
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              "assessment_method": {
                "name": "public-semantic-assessment",
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                "method_digest": "sha256:02ec902925d3816c86a32a3d15dc2e7af6ce9931c24b9cf264063e596952d1c4"
              },
              "determination_bases": [],
              "note": "The captured sign-up page shows navigation links and headings but lacks documented forms, validation rules, or complete handoff controls."
            },
            {
              "signal_code": "access_entrypoint_stability",
              "evaluation_role": "graded",
              "required": true,
              "value": "yes",
              "value_label": "Ready",
              "outcome": "pass",
              "public_state": "ready",
              "condition": "Is there a stable route to begin obtaining service access?",
              "finding": "A stable canonical route begins the required access bootstrap.",
              "evidence_status": "supported",
              "freshness": "fresh",
              "observed_at": "2026-09-06T08:53:07.718Z",
              "tested_surfaces": [
                {
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                {
                  "node_kind": "resource",
                  "node_id": "oauth-pkce"
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              ],
              "assessment_method": {
                "name": "public-semantic-assessment",
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                "method_digest": "sha256:02ec902925d3816c86a32a3d15dc2e7af6ce9931c24b9cf264063e596952d1c4"
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              "determination_bases": [
                {
                  "kind": "explicit_first_party_declaration",
                  "captures": [
                    {
                      "retained_capture_digest": "sha256:997f6466f65a6a995716e2e187c02c53a793fd148e8b8c069e1cbaf5acc523fc",
                      "capture_rung": "headless"
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              "note": "OpenRouter provides a stable canonical OAuth PKCE guide and route to initiate user authorization and obtain service access."
            },
            {
              "signal_code": "captcha_compatible_access",
              "evaluation_role": "barrier",
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              "value_label": "Unknown",
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              "condition": "Can an agent obtain access without an unsupported CAPTCHA boundary?",
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              "evidence_status": "supported",
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              "observed_at": "2026-09-06T08:53:07.718Z",
              "tested_surfaces": [
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                  "node_id": "account-signup"
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                  "node_id": "crawler-policy"
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              "assessment_method": {
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                "method_digest": "sha256:02ec902925d3816c86a32a3d15dc2e7af6ce9931c24b9cf264063e596952d1c4"
              },
              "determination_bases": [],
              "note": "The retained evidence from the sign-up surface, crawler policy, and OAuth guides does not state or show CAPTCHA requirements or verified-agent alternatives."
            },
            {
              "signal_code": "delegated_identity_access",
              "evaluation_role": "graded",
              "required": true,
              "value": "yes",
              "value_label": "Ready",
              "outcome": "pass",
              "public_state": "ready",
              "condition": "Can an agent obtain scoped, revocable authority for this service?",
              "finding": "Scoped revocable credentials or delegated authorization have explicit consent and resumption boundaries.",
              "evidence_status": "supported",
              "freshness": "fresh",
              "observed_at": "2026-09-06T08:51:04.109Z",
              "tested_surfaces": [
                {
                  "node_kind": "resource",
                  "node_id": "api-key-management"
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                {
                  "node_kind": "resource",
                  "node_id": "mcp-guide"
                },
                {
                  "node_kind": "resource",
                  "node_id": "oauth-pkce"
                },
                {
                  "node_kind": "resource",
                  "node_id": "openapi-description"
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                {
                  "node_kind": "resource",
                  "node_id": "quickstart"
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              ],
              "assessment_method": {
                "name": "public-semantic-assessment",
                "version": "2026-09-06",
                "method_digest": "sha256:02ec902925d3816c86a32a3d15dc2e7af6ce9931c24b9cf264063e596952d1c4"
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              "determination_bases": [
                {
                  "kind": "direct_observation",
                  "captures": [
                    {
                      "retained_capture_digest": "sha256:c490ac330866217da852f8b45e002746f71b77a5132bebe158ac0d9ecff6362c",
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                  "artifact_digests": [
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                  "locators": [
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              "note": "OpenRouter supports delegated OAuth PKCE issuing dedicated API keys with default spend limits, 7-day expiry, and dashboard revocation."
            },
            {
              "signal_code": "phone_verification_compatible",
              "evaluation_role": "barrier",
              "required": false,
              "value": "unknown",
              "value_label": "Unknown",
              "outcome": "unknown",
              "public_state": "unknown",
              "condition": "Can required phone verification be completed through a supported boundary?",
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              "evidence_status": "supported",
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              "tested_surfaces": [
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                  "node_id": "crawler-policy"
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                  "node_kind": "resource",
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              ],
              "assessment_method": {
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              "determination_bases": [],
              "note": "The retained sign-up page and OAuth PKCE documentation contain no declarations or observations regarding phone verification requirements."
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          ],
          "blockers": [],
          "remediations": []
        },
        {
          "stage": "pay",
          "stage_label": "Pay",
          "outcome": "pass",
          "public_state": "ready",
          "state_label": "Ready",
          "primary_finding": {
            "signal_code": "commitment_disclosure",
            "condition": "Is the exact commercial commitment disclosed before authorization?",
            "finding": "Charge or no-charge status, currency, recurrence, and material conditions are disclosed.",
            "context": "OpenRouter discloses US dollars as the base currency for all site and API pricing. It specifies pay-as-you-go token billing passed through from providers with a disclosed 5.5% platform fee, with no minimum spend."
          },
          "secondary_context": [
            {
              "signal_code": "checkout_operability",
              "condition": "Can an agent construct checkout, hand off approval safely, and resume?",
              "finding": "Current admissible evidence does not resolve this finding.",
              "context": "OpenRouter documents manual balance top-ups and auto top-up using US dollars. However, the retained evidence does not document an API or protocol flow for an agent to deterministically construct checkout, hand off approval safely, and resume."
            },
            {
              "signal_code": "payment_authorization",
              "condition": "Can payment be authorized within scoped agent or explicit human authority?",
              "finding": "Current admissible evidence does not resolve this finding.",
              "context": "OpenRouter states acceptance of major credit cards, AliPay, and USDC crypto payments, and notes Stripe email receipts. The admissible text does not document a rail supporting scoped agent delegation or explicit human-confirmed authorization."
            },
            {
              "signal_code": "self_service_purchase",
              "condition": "Is a direct self-service path to paid access documented?",
              "finding": "A documented direct purchase path reaches paid access without a vendor decision point.",
              "context": "OpenRouter explicitly documents self-service access via account creation and adding credits on the Credits page or via the Buy Credits button for Pay-as-you-go, requiring no vendor decision point or minimum spend."
            }
          ],
          "signals": [
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              "signal_code": "checkout_operability",
              "evaluation_role": "barrier",
              "required": false,
              "value": "unknown",
              "value_label": "Unknown",
              "outcome": "unknown",
              "public_state": "unknown",
              "condition": "Can an agent construct checkout, hand off approval safely, and resume?",
              "finding": "Current admissible evidence does not resolve this finding.",
              "evidence_status": "supported",
              "freshness": "fresh",
              "observed_at": "2026-09-06T08:52:27.515Z",
              "tested_surfaces": [
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                },
                {
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                  "node_id": "pricing-and-billing"
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                {
                  "node_kind": "resource",
                  "node_id": "readiness-bd3a229fc6f0de08d49dbcbdc71329a79f87341b81a2308a74db49665a3c2818"
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              ],
              "assessment_method": {
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              "determination_bases": [],
              "note": "OpenRouter documents manual balance top-ups and auto top-up using US dollars. However, the retained evidence does not document an API or protocol flow for an agent to deterministically construct checkout, hand off approval safely, and resume."
            },
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              "note": "OpenRouter discloses US dollars as the base currency for all site and API pricing. It specifies pay-as-you-go token billing passed through from providers with a disclosed 5.5% platform fee, with no minimum spend."
            },
            {
              "signal_code": "payment_authorization",
              "evaluation_role": "barrier",
              "required": false,
              "value": "unknown",
              "value_label": "Unknown",
              "outcome": "unknown",
              "public_state": "unknown",
              "condition": "Can payment be authorized within scoped agent or explicit human authority?",
              "finding": "Current admissible evidence does not resolve this finding.",
              "evidence_status": "supported",
              "freshness": "fresh",
              "observed_at": "2026-09-06T08:50:12.007Z",
              "tested_surfaces": [
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                },
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              "assessment_method": {
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              },
              "determination_bases": [],
              "note": "OpenRouter states acceptance of major credit cards, AliPay, and USDC crypto payments, and notes Stripe email receipts. The admissible text does not document a rail supporting scoped agent delegation or explicit human-confirmed authorization."
            },
            {
              "signal_code": "self_service_purchase",
              "evaluation_role": "graded",
              "required": true,
              "value": "yes",
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              "public_state": "ready",
              "condition": "Is a direct self-service path to paid access documented?",
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              "evidence_status": "supported",
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                  "source_surface": {
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                    "node_id": "readiness-bd3a229fc6f0de08d49dbcbdc71329a79f87341b81a2308a74db49665a3c2818"
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                {
                  "kind": "explicit_first_party_declaration",
                  "captures": [
                    {
                      "retained_capture_digest": "sha256:06e8c44567c98cbac2299dd9d244ef0411aef70d741dbdfe868ce759531e6197",
                      "capture_rung": "http"
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                  ],
                  "artifact_digests": [
                    "sha256:07b120a64dd2723f549eae86fd629be900ecf7d9d62da4cd4382e74d8c8a2956",
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                  "source_surface": {
                    "node_kind": "resource",
                    "node_id": "pricing-and-billing"
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                  "locators": [
                    {
                      "artifact_digest": "sha256:dae5bcb1d286d2f48e66cb03eee3de53787b826388a3623f88524ce9a36fe6ca",
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              "note": "OpenRouter explicitly documents self-service access via account creation and adding credits on the Credits page or via the Buy Credits button for Pay-as-you-go, requiring no vendor decision point or minimum spend."
            }
          ],
          "blockers": [],
          "remediations": []
        },
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          "stage": "provision",
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          "outcome": "pass",
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          "state_label": "Ready",
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            "signal_code": "provisioning_operability",
            "condition": "Can provisioning be initiated within supported agent authority?",
            "finding": "Provisioning is machine-triggerable or follows deterministically from an allowed handoff.",
            "context": "API key provisioning is machine-triggerable via a POST request to https://openrouter.ai/api/v1/keys using Bearer token authentication."
          },
          "secondary_context": [
            {
              "signal_code": "access_material_delivery",
              "condition": "Can usable access material be delivered securely to an authorized agent?",
              "finding": "Credentials, grants, or configuration are delivered through a documented agent-usable flow.",
              "context": "OpenRouter provides an API endpoint to create API keys, returning the plaintext key directly in the synchronous response for agent use."
            },
            {
              "signal_code": "provisioning_completion",
              "condition": "Can an agent determine successful provisioning completion and reconcile asynchronous failure?",
              "finding": "A synchronous success response returns a usable created resource or access material; otherwise asynchronous work exposes progress, terminal state, reconciliation, and a documented bound.",
              "context": "The API key creation endpoint returns a synchronous 201 response containing the usable created key and its resource details."
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          ],
          "signals": [
            {
              "signal_code": "access_material_delivery",
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              "public_state": "ready",
              "condition": "Can usable access material be delivered securely to an authorized agent?",
              "finding": "Credentials, grants, or configuration are delivered through a documented agent-usable flow.",
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              "determination_bases": [
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              "note": "OpenRouter provides an API endpoint to create API keys, returning the plaintext key directly in the synchronous response for agent use."
            },
            {
              "signal_code": "provisioning_completion",
              "evaluation_role": "graded",
              "required": true,
              "value": "yes",
              "value_label": "Ready",
              "outcome": "pass",
              "public_state": "ready",
              "condition": "Can an agent determine successful provisioning completion and reconcile asynchronous failure?",
              "finding": "A synchronous success response returns a usable created resource or access material; otherwise asynchronous work exposes progress, terminal state, reconciliation, and a documented bound.",
              "evidence_status": "supported",
              "freshness": "fresh",
              "observed_at": "2026-09-06T08:51:38.418Z",
              "tested_surfaces": [
                {
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              "assessment_method": {
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                "method_digest": "sha256:02ec902925d3816c86a32a3d15dc2e7af6ce9931c24b9cf264063e596952d1c4"
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              "determination_bases": [
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              "note": "The API key creation endpoint returns a synchronous 201 response containing the usable created key and its resource details."
            },
            {
              "signal_code": "provisioning_operability",
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              "value_label": "Ready",
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              "public_state": "ready",
              "condition": "Can provisioning be initiated within supported agent authority?",
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              "evidence_status": "supported",
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                  "node_id": "oauth-pkce"
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                {
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                  "node_id": "quickstart"
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              ],
              "assessment_method": {
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              "determination_bases": [
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              "note": "API key provisioning is machine-triggerable via a POST request to https://openrouter.ai/api/v1/keys using Bearer token authentication."
            }
          ],
          "blockers": [],
          "remediations": []
        },
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          "stage": "operate",
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          "outcome": "constrained",
          "public_state": "limited",
          "state_label": "Limited",
          "primary_finding": {
            "signal_code": "failure_contract",
            "condition": "Can an agent handle applicable failure modes safely?",
            "finding": "Safe failure handling is documented only partially.",
            "context": "OpenRouter documents typed error codes across streaming and non-streaming responses and a Retry-After header section; the selected quotes do not establish idempotency or reconciliation semantics."
          },
          "secondary_context": [
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              "signal_code": "credential_lifecycle",
              "condition": "Can an agent manage credential expiry, rotation, revocation, compromise, and recovery?",
              "finding": "Only part of the credential lifecycle is agent-operable.",
              "context": "OpenRouter documents API key creation with expiration dates and spending caps, requiring a management key. Key recovery and automated compromise handling remain unaddressed in the retained documentation."
            },
            {
              "signal_code": "target_interface_access",
              "condition": "Can an agent perform every essential assessment target through a usable interface?",
              "finding": "Every essential target has a stable documented agent-usable interface alternative.",
              "context": "Every essential target is accessible via programmatic interfaces, including HTTP REST endpoints, SDKs, and the OpenRouter MCP server. Agents can invoke model inference, monitor usage, and query catalog metadata."
            },
            {
              "signal_code": "operation_authentication",
              "condition": "Can an agent authenticate service operations with scoped authority?",
              "finding": "Request-time authentication is documented and usable under scoped agent authority.",
              "context": "OpenRouter supports RFC 8693 token exchange to issue short-lived JWT access tokens scoped to inference. Standard request-time authentication uses bearer tokens in the Authorization header."
            },
            {
              "signal_code": "operation_contract",
              "condition": "Are essential operation inputs, outputs, and effects stable and decidable?",
              "finding": "Essential operations have stable readable request, response, and effect semantics.",
              "context": "OpenRouter documents stable request, response, and parameter schemas across its REST endpoints and streaming interfaces. All declared targets specify explicit inputs, outputs, and side-effect expectations."
            },
            {
              "signal_code": "agent_protocol_interface",
              "condition": "Is an agent-native protocol interface verified against the essential targets?",
              "finding": "A verified agent-native interface covers the declared assessment targets.",
              "context": "OpenRouter provides an MCP server interface (https://mcp.openrouter.ai/mcp) that connects AI tools over MCP to pull live model, pricing, credit, and ranking data, search docs, and send test messages."
            }
          ],
          "signals": [
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              "signal_code": "agent_protocol_interface",
              "evaluation_role": "informational",
              "required": false,
              "value": "yes",
              "value_label": "Ready",
              "outcome": "pass",
              "public_state": "ready",
              "condition": "Is an agent-native protocol interface verified against the essential targets?",
              "finding": "A verified agent-native interface covers the declared assessment targets.",
              "evidence_status": "supported",
              "freshness": "fresh",
              "observed_at": "2026-09-06T08:51:04.109Z",
              "tested_surfaces": [
                {
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                  "node_id": "inference-api"
                },
                {
                  "node_kind": "interface",
                  "node_id": "model-catalog-api"
                },
                {
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                  "node_id": "openrouter-mcp"
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              ],
              "assessment_method": {
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            },
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              "condition": "Can an agent manage credential expiry, rotation, revocation, compromise, and recovery?",
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              "remediation": {
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                "code": "improve.operate.credential_lifecycle",
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            },
            {
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              "value": "partial",
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              "outcome": "constrained",
              "public_state": "limited",
              "condition": "Can an agent handle applicable failure modes safely?",
              "finding": "Safe failure handling is documented only partially.",
              "evidence_status": "supported",
              "freshness": "fresh",
              "observed_at": "2026-09-06T08:51:02.424Z",
              "tested_surfaces": [
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              ],
              "assessment_method": {
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          ],
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