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          "context": "Retained documentation establishes authentication errors, rate-limit and credit-limit handling, and support escalation, but does not establish idempotency, cancellation, 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": "Retained documentation establishes authentication errors, rate-limit and credit-limit handling, and support escalation, but does not establish idempotency, cancellation, 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 programmatic API-key creation, listing, update, and deletion, including expiry and limit controls. The retained evidence does not establish automated compromise recovery."
          },
          "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's stable entrypoints and API endpoints (such as https://openrouter.ai/api/v1/chat/completions) are publicly documented and discoverable in the quickstart and llms.txt index."
          },
          "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": "OpenRouter's Terms of Service are stable, retrievable, and materially complete at https://openrouter.ai/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 defines its eligibility criteria: users must be at least 13 years old (with parent/guardian permission if under 18) and must warrant compliance with laws, non-suspension, and organizational binding authority."
            },
            {
              "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 defines US dollars as its base currency, describes pass-through inference pricing, and discloses credit-purchase and BYOK fees."
            },
            {
              "signal_code": "structured_evaluation_discovery",
              "condition": "Are verified structured discovery artifacts available?",
              "finding": "Verified structured artifacts accelerate discovery of the evaluation surface.",
              "context": "Verified structured discovery artifacts including /llms.txt and /openapi.json are publicly available to accelerate machine evaluation of OpenRouter services."
            },
            {
              "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 publishes a robots.txt policy that sets User-Agent: * with Disallow: /seo/ and allows access to other public resources."
            }
          ],
          "signals": [
            {
              "signal_code": "eligibility_decidability",
              "evaluation_role": "graded",
              "required": true,
              "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": "2026-08-21T22:48:43.583Z",
              "tested_surfaces": [
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                  "node_id": "service-terms"
                }
              ],
              "assessment_method": {
                "name": "public-http-semantic-assessment",
                "version": "2026-08-20",
                "method_digest": "sha256:f7c4219d9b75928a6bcff8d125dc30bbc718673e579a66f00d832172e8c9d43d"
              },
              "determination_bases": [
                {
                  "kind": "explicit_first_party_declaration",
                  "captures": [
                    {
                      "retained_capture_digest": "sha256:3b05a5850d59c330fc1fba6e9f171a9b466b73fc83e236be2d54a3cc569a8c59",
                      "capture_rung": "http"
                    }
                  ],
                  "artifact_digests": [
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                  "source_surface": {
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                  "locators": [
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              ],
              "note": "OpenRouter explicitly defines its eligibility criteria: users must be at least 13 years old (with parent/guardian permission if under 18) and must warrant compliance with laws, non-suspension, and organizational binding authority."
            },
            {
              "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": "2026-08-21T22:49:23.119Z",
              "tested_surfaces": [
                {
                  "node_kind": "resource",
                  "node_id": "pricing-and-billing"
                }
              ],
              "assessment_method": {
                "name": "bounded-headless-semantic-assessment",
                "version": "2026-08-20",
                "method_digest": "sha256:f1212e8cd082308cfde3c097bc933c4a4b72046b1f242205c3e27a3b020b3311"
              },
              "determination_bases": [
                {
                  "kind": "explicit_first_party_declaration",
                  "captures": [
                    {
                      "retained_capture_digest": "sha256:389bc43ef6fd9ccc72967b304eb5048cd63ad51b88431f33a7c903fa51e1c0cc",
                      "capture_rung": "headless"
                    }
                  ],
                  "artifact_digests": [
                    "sha256:432a4e1657e248f12a0f28a3d494b6c4dce8cb89396c58666e506660c4a46c56",
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                  "source_surface": {
                    "node_kind": "resource",
                    "node_id": "pricing-and-billing"
                  },
                  "locators": [
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                      "artifact_digest": "sha256:432a4e1657e248f12a0f28a3d494b6c4dce8cb89396c58666e506660c4a46c56",
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              ],
              "note": "OpenRouter defines US dollars as its base currency, describes pass-through inference pricing, and discloses credit-purchase and BYOK fees."
            },
            {
              "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": "2026-08-21T22:48:44.637Z",
              "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-http-semantic-assessment",
                "version": "2026-08-20",
                "method_digest": "sha256:f7c4219d9b75928a6bcff8d125dc30bbc718673e579a66f00d832172e8c9d43d"
              },
              "determination_bases": [
                {
                  "kind": "explicit_first_party_declaration",
                  "captures": [
                    {
                      "retained_capture_digest": "sha256:c85f7d1eccf2df6492f293aed30b67a9645e7c3272541502df784443b5a720cf",
                      "capture_rung": "http"
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                  ],
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                  },
                  "locators": [
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                  "captures": [
                    {
                      "retained_capture_digest": "sha256:68ae814ba35b915dddc7c04dfb4f0226c0e8fec1d01426827f9983c43ae49909",
                      "capture_rung": "http"
                    }
                  ],
                  "artifact_digests": [
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                    "node_id": "agent-discovery-index"
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              ],
              "note": "OpenRouter's stable entrypoints and API endpoints (such as https://openrouter.ai/api/v1/chat/completions) are publicly documented and discoverable in the quickstart and llms.txt index."
            },
            {
              "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": "2026-08-21T22:48:46.703Z",
              "tested_surfaces": [
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                {
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                {
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                  "node_id": "live-model-catalog"
                },
                {
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                  "node_id": "mcp-guide"
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                {
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                  "node_id": "model-catalog-guide"
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                {
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                  "node_id": "oauth-pkce"
                },
                {
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                  "node_id": "openapi-description"
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                {
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                  "node_id": "quickstart"
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              ],
              "assessment_method": {
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                "method_digest": "sha256:f7c4219d9b75928a6bcff8d125dc30bbc718673e579a66f00d832172e8c9d43d"
              },
              "determination_bases": [
                {
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                  "captures": [
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                      "capture_rung": "http"
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                  "artifact_digests": [
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              ],
              "note": "Verified structured discovery artifacts including /llms.txt and /openapi.json are publicly available to accelerate machine evaluation of OpenRouter services."
            },
            {
              "signal_code": "terms_access",
              "evaluation_role": "graded",
              "required": true,
              "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": "2026-08-21T22:48:43.583Z",
              "tested_surfaces": [
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              ],
              "assessment_method": {
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                "method_digest": "sha256:f7c4219d9b75928a6bcff8d125dc30bbc718673e579a66f00d832172e8c9d43d"
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            },
            {
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              "value": "yes",
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              "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.",
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              ],
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                  "source_surface": {
                    "node_kind": "resource",
                    "node_id": "crawler-policy"
                  },
                  "locators": [
                    {
                      "artifact_digest": "sha256:9fe73a299f992ac6aedfb2d12c7ea9b3d81161bbff338ac8248f1e6aa9bed272",
                      "start_byte": 0,
                      "end_byte": 38,
                      "value_digest": "sha256:4cabad07aaf4a2ffe1348f3f58e2822fa27ac403790761e7f785a6e80c38a1b5"
                    }
                  ]
                }
              ],
              "note": "OpenRouter explicitly publishes a robots.txt policy that sets User-Agent: * with Disallow: /seo/ and allows access to other public resources."
            }
          ],
          "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 entrypoint for account creation at https://openrouter.ai/sign-up."
          },
          "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 retained sign-up page capture displays an email verification requirement error message ('We could not find a primary email address on your account. Please contact support.') and does not establish machine operability of access controls or safe handoffs."
            },
            {
              "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": "Across all evaluated surfaces, the retained evidence does not explicitly declare the presence or absence of a mandatory CAPTCHA challenge."
            },
            {
              "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": "Current admissible evidence does not explicitly address 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 provides delegated authorization and scoped credentials via OAuth PKCE, where an app sends a user to /auth to authorize and exchanges the code at /api/v1/auth/keys for a user-controlled API key."
            }
          ],
          "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": "2026-08-21T22:49:26.383Z",
              "tested_surfaces": [
                {
                  "node_kind": "endpoint",
                  "node_id": "registration"
                }
              ],
              "assessment_method": {
                "name": "bounded-headless-semantic-assessment",
                "version": "2026-08-20",
                "method_digest": "sha256:f1212e8cd082308cfde3c097bc933c4a4b72046b1f242205c3e27a3b020b3311"
              },
              "determination_bases": [],
              "note": "The retained sign-up page capture displays an email verification requirement error message ('We could not find a primary email address on your account. Please contact support.') and does not establish machine operability of access controls or safe handoffs."
            },
            {
              "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": "2026-08-21T22:49:26.383Z",
              "tested_surfaces": [
                {
                  "node_kind": "resource",
                  "node_id": "account-signup"
                },
                {
                  "node_kind": "resource",
                  "node_id": "oauth-pkce"
                }
              ],
              "assessment_method": {
                "name": "bounded-headless-semantic-assessment",
                "version": "2026-08-20",
                "method_digest": "sha256:f1212e8cd082308cfde3c097bc933c4a4b72046b1f242205c3e27a3b020b3311"
              },
              "determination_bases": [
                {
                  "kind": "explicit_first_party_declaration",
                  "captures": [
                    {
                      "retained_capture_digest": "sha256:00f7f5a857de229bc0c8524a89af89178f982e8967f3328c8afa9f4bfcd26506",
                      "capture_rung": "headless"
                    }
                  ],
                  "artifact_digests": [
                    "sha256:065750b75641c0b2323933a1fecd39fefaca731900efad3eb5648fe6035dbb50",
                    "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945",
                    "sha256:94c968f29f528a4c0d90004b6520471c046d96513fd00d8ca9c70eed923cd5d6",
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                    "sha256:bf9e2760fb4c50b0ea383c143bb299d5e5d610e13461d068f769139e50eead97",
                    "sha256:fe871e3648e0a25e743ab0e82dfde612cc4b84021007e0d8c1b33ef9fa1d27a3"
                  ],
                  "source_surface": {
                    "node_kind": "resource",
                    "node_id": "account-signup"
                  },
                  "locators": [
                    {
                      "artifact_digest": "sha256:ab6ce993c29699707fe13a8c05a47fce0f9f9a36577748c0564a4c6e84e5adab",
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                      "end_byte": 2241,
                      "value_digest": "sha256:cbbad06bc515ac37ff6295d98a2c84129e2d950e268f57c4496d10cbdee9a0f5"
                    }
                  ]
                }
              ],
              "note": "OpenRouter provides a stable canonical entrypoint for account creation at https://openrouter.ai/sign-up."
            },
            {
              "signal_code": "captcha_compatible_access",
              "evaluation_role": "barrier",
              "required": false,
              "value": "unknown",
              "value_label": "Unknown",
              "outcome": "unknown",
              "public_state": "unknown",
              "condition": "Can an agent obtain access without an unsupported CAPTCHA boundary?",
              "finding": "Current admissible evidence does not resolve this finding.",
              "evidence_status": "supported",
              "freshness": "fresh",
              "observed_at": "2026-08-21T22:49:26.383Z",
              "tested_surfaces": [
                {
                  "node_kind": "endpoint",
                  "node_id": "registration"
                },
                {
                  "node_kind": "resource",
                  "node_id": "account-signup"
                },
                {
                  "node_kind": "resource",
                  "node_id": "crawler-policy"
                },
                {
                  "node_kind": "resource",
                  "node_id": "oauth-pkce"
                }
              ],
              "assessment_method": {
                "name": "bounded-headless-semantic-assessment",
                "version": "2026-08-20",
                "method_digest": "sha256:f1212e8cd082308cfde3c097bc933c4a4b72046b1f242205c3e27a3b020b3311"
              },
              "determination_bases": [],
              "note": "Across all evaluated surfaces, the retained evidence does not explicitly declare the presence or absence of a mandatory CAPTCHA challenge."
            },
            {
              "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": "2026-08-21T22:48:44.505Z",
              "tested_surfaces": [
                {
                  "node_kind": "resource",
                  "node_id": "api-key-management"
                },
                {
                  "node_kind": "resource",
                  "node_id": "mcp-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-http-semantic-assessment",
                "version": "2026-08-20",
                "method_digest": "sha256:f7c4219d9b75928a6bcff8d125dc30bbc718673e579a66f00d832172e8c9d43d"
              },
              "determination_bases": [
                {
                  "kind": "explicit_first_party_declaration",
                  "captures": [
                    {
                      "retained_capture_digest": "sha256:f8b1cf742aa79c1b8054de005fe1496b51ff22e9525dc35064aed8833c4a7790",
                      "capture_rung": "http"
                    }
                  ],
                  "artifact_digests": [
                    "sha256:287b1ae832b7a70feeebcdc4f9dcce582063fdfacbe1c93914e21b57dd6aa90d",
                    "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945",
                    "sha256:6e8c785b89ac73016e23c86c10c088e68e5a5fbd3f5b8bee4caf25deb444ec3e",
                    "sha256:b80f2c41d7850c80618afe738d0e787c3234aac1e92b60a5660fb7b950faf9af"
                  ],
                  "source_surface": {
                    "node_kind": "resource",
                    "node_id": "oauth-pkce"
                  },
                  "locators": [
                    {
                      "artifact_digest": "sha256:6e8c785b89ac73016e23c86c10c088e68e5a5fbd3f5b8bee4caf25deb444ec3e",
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                      "value_digest": "sha256:a8e9b2d22444045bd32a5bb5338f9fb8aaa425bc606cd9ecf7003b65014111d0"
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                    {
                      "artifact_digest": "sha256:6e8c785b89ac73016e23c86c10c088e68e5a5fbd3f5b8bee4caf25deb444ec3e",
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                      "value_digest": "sha256:8263b3db6cf6fe047e88a843a745701d9827ef40c245650cdd21f4e37cd8f7e3"
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                  ]
                }
              ],
              "note": "OpenRouter provides delegated authorization and scoped credentials via OAuth PKCE, where an app sends a user to /auth to authorize and exchanges the code at /api/v1/auth/keys for a user-controlled API key."
            },
            {
              "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?",
              "finding": "Current admissible evidence does not resolve this finding.",
              "evidence_status": "supported",
              "freshness": "fresh",
              "observed_at": "2026-08-21T22:49:26.383Z",
              "tested_surfaces": [
                {
                  "node_kind": "resource",
                  "node_id": "account-signup"
                },
                {
                  "node_kind": "resource",
                  "node_id": "crawler-policy"
                },
                {
                  "node_kind": "resource",
                  "node_id": "oauth-pkce"
                }
              ],
              "assessment_method": {
                "name": "bounded-headless-semantic-assessment",
                "version": "2026-08-20",
                "method_digest": "sha256:f1212e8cd082308cfde3c097bc933c4a4b72046b1f242205c3e27a3b020b3311"
              },
              "determination_bases": [],
              "note": "Current admissible evidence does not explicitly address phone verification requirements."
            }
          ],
          "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 its base currency, explains pass-through inference pricing, and states a 5.5% credit-purchase fee with an $0.80 minimum."
          },
          "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": "The retained evidence describes credit purchases, manual top ups, and auto top ups, but does not provide details on deterministic checkout construction, approval handoff, or resumption by an agent."
            },
            {
              "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": "The evidence lists supported payment methods including major credit cards, AliPay, and USDC cryptocurrency, but does not document a scoped delegation framework or explicit human-authorization protocol with receipts for payment 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": "Users can get started by creating an account and adding credits directly on the Credits page via manual top up or auto top up without requiring a vendor decision point or sales interaction."
            }
          ],
          "signals": [
            {
              "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": "2026-08-21T22:49:23.119Z",
              "tested_surfaces": [
                {
                  "node_kind": "resource",
                  "node_id": "pricing-and-billing"
                }
              ],
              "assessment_method": {
                "name": "bounded-headless-semantic-assessment",
                "version": "2026-08-20",
                "method_digest": "sha256:f1212e8cd082308cfde3c097bc933c4a4b72046b1f242205c3e27a3b020b3311"
              },
              "determination_bases": [],
              "note": "The retained evidence describes credit purchases, manual top ups, and auto top ups, but does not provide details on deterministic checkout construction, approval handoff, or resumption by an agent."
            },
            {
              "signal_code": "commitment_disclosure",
              "evaluation_role": "graded",
              "required": true,
              "value": "yes",
              "value_label": "Ready",
              "outcome": "pass",
              "public_state": "ready",
              "condition": "Is the exact commercial commitment disclosed before authorization?",
              "finding": "Charge or no-charge status, currency, recurrence, and material conditions are disclosed.",
              "evidence_status": "supported",
              "freshness": "fresh",
              "observed_at": "2026-08-21T22:49:23.119Z",
              "tested_surfaces": [
                {
                  "node_kind": "resource",
                  "node_id": "pricing-and-billing"
                }
              ],
              "assessment_method": {
                "name": "bounded-headless-semantic-assessment",
                "version": "2026-08-20",
                "method_digest": "sha256:f1212e8cd082308cfde3c097bc933c4a4b72046b1f242205c3e27a3b020b3311"
              },
              "determination_bases": [
                {
                  "kind": "explicit_first_party_declaration",
                  "captures": [
                    {
                      "retained_capture_digest": "sha256:389bc43ef6fd9ccc72967b304eb5048cd63ad51b88431f33a7c903fa51e1c0cc",
                      "capture_rung": "headless"
                    }
                  ],
                  "artifact_digests": [
                    "sha256:432a4e1657e248f12a0f28a3d494b6c4dce8cb89396c58666e506660c4a46c56",
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                  "source_surface": {
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                    "node_id": "pricing-and-billing"
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                  "locators": [
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              ],
              "note": "OpenRouter discloses US dollars as its base currency, explains pass-through inference pricing, and states a 5.5% credit-purchase fee with an $0.80 minimum."
            },
            {
              "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": "2026-08-21T22:49:23.119Z",
              "tested_surfaces": [
                {
                  "node_kind": "resource",
                  "node_id": "pricing-and-billing"
                }
              ],
              "assessment_method": {
                "name": "bounded-headless-semantic-assessment",
                "version": "2026-08-20",
                "method_digest": "sha256:f1212e8cd082308cfde3c097bc933c4a4b72046b1f242205c3e27a3b020b3311"
              },
              "determination_bases": [],
              "note": "The evidence lists supported payment methods including major credit cards, AliPay, and USDC cryptocurrency, but does not document a scoped delegation framework or explicit human-authorization protocol with receipts for payment authorization."
            },
            {
              "signal_code": "self_service_purchase",
              "evaluation_role": "graded",
              "required": true,
              "value": "yes",
              "value_label": "Ready",
              "outcome": "pass",
              "public_state": "ready",
              "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.",
              "evidence_status": "supported",
              "freshness": "fresh",
              "observed_at": "2026-08-21T22:49:23.119Z",
              "tested_surfaces": [
                {
                  "node_kind": "resource",
                  "node_id": "pricing-and-billing"
                }
              ],
              "assessment_method": {
                "name": "bounded-headless-semantic-assessment",
                "version": "2026-08-20",
                "method_digest": "sha256:f1212e8cd082308cfde3c097bc933c4a4b72046b1f242205c3e27a3b020b3311"
              },
              "determination_bases": [
                {
                  "kind": "explicit_first_party_declaration",
                  "captures": [
                    {
                      "retained_capture_digest": "sha256:389bc43ef6fd9ccc72967b304eb5048cd63ad51b88431f33a7c903fa51e1c0cc",
                      "capture_rung": "headless"
                    }
                  ],
                  "artifact_digests": [
                    "sha256:432a4e1657e248f12a0f28a3d494b6c4dce8cb89396c58666e506660c4a46c56",
                    "sha256:48d61ea558a264ffaeddd5f4746fde20e98b6cd496152c2a431b05e6880c927e",
                    "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945",
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                  "source_surface": {
                    "node_kind": "resource",
                    "node_id": "pricing-and-billing"
                  },
                  "locators": [
                    {
                      "artifact_digest": "sha256:432a4e1657e248f12a0f28a3d494b6c4dce8cb89396c58666e506660c4a46c56",
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                      "value_digest": "sha256:5535447a1d7a9d0bf252f1bdbd25224edf51c4d7c5905d25b0ca5d2d82e85057"
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                    {
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                  ]
                }
              ],
              "note": "Users can get started by creating an account and adding credits directly on the Credits page via manual top up or auto top up without requiring a vendor decision point or sales interaction."
            }
          ],
          "blockers": [],
          "remediations": []
        },
        {
          "stage": "provision",
          "stage_label": "Provision",
          "outcome": "pass",
          "public_state": "ready",
          "state_label": "Ready",
          "primary_finding": {
            "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 a management Bearer token."
          },
          "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 API key creation returns the plaintext key in the response payload when created via the POST /api/v1/keys management endpoint. The key string is returned directly in the response payload as a write-only value."
            },
            {
              "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": "API key creation is synchronous and returns a 201 Created HTTP response with the usable API key data object containing the plaintext key, ID, workspace, and usage limits upon success."
            }
          ],
          "signals": [
            {
              "signal_code": "access_material_delivery",
              "evaluation_role": "graded",
              "required": true,
              "value": "yes",
              "value_label": "Ready",
              "outcome": "pass",
              "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.",
              "evidence_status": "supported",
              "freshness": "fresh",
              "observed_at": "2026-08-21T22:48:47.929Z",
              "tested_surfaces": [
                {
                  "node_kind": "resource",
                  "node_id": "api-key-management"
                },
                {
                  "node_kind": "resource",
                  "node_id": "mcp-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-http-semantic-assessment",
                "version": "2026-08-20",
                "method_digest": "sha256:f7c4219d9b75928a6bcff8d125dc30bbc718673e579a66f00d832172e8c9d43d"
              },
              "determination_bases": [
                {
                  "kind": "explicit_first_party_declaration",
                  "captures": [
                    {
                      "retained_capture_digest": "sha256:5a79aeaf425ea871023190ccb3058bcf3cf20f0c6a7831b549af963ccb085654",
                      "capture_rung": "http"
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                  ],
                  "artifact_digests": [
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                  ],
                  "source_surface": {
                    "node_kind": "resource",
                    "node_id": "api-key-management"
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                  "locators": [
                    {
                      "artifact_digest": "sha256:4f891641173568dd7baceea104f2d66b3139290ae7dfa601b067c685ec6cf0b5",
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                }
              ],
              "note": "OpenRouter API key creation returns the plaintext key in the response payload when created via the POST /api/v1/keys management endpoint. The key string is returned directly in the response payload as a write-only value."
            },
            {
              "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": "2026-08-21T22:48:47.929Z",
              "tested_surfaces": [
                {
                  "node_kind": "resource",
                  "node_id": "api-key-management"
                }
              ],
              "assessment_method": {
                "name": "public-http-semantic-assessment",
                "version": "2026-08-20",
                "method_digest": "sha256:f7c4219d9b75928a6bcff8d125dc30bbc718673e579a66f00d832172e8c9d43d"
              },
              "determination_bases": [
                {
                  "kind": "explicit_first_party_declaration",
                  "captures": [
                    {
                      "retained_capture_digest": "sha256:5a79aeaf425ea871023190ccb3058bcf3cf20f0c6a7831b549af963ccb085654",
                      "capture_rung": "http"
                    }
                  ],
                  "artifact_digests": [
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                  "source_surface": {
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                    "node_id": "api-key-management"
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                  "locators": [
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                }
              ],
              "note": "API key creation is synchronous and returns a 201 Created HTTP response with the usable API key data object containing the plaintext key, ID, workspace, and usage limits upon success."
            },
            {
              "signal_code": "provisioning_operability",
              "evaluation_role": "graded",
              "required": true,
              "value": "yes",
              "value_label": "Ready",
              "outcome": "pass",
              "public_state": "ready",
              "condition": "Can provisioning be initiated within supported agent authority?",
              "finding": "Provisioning is machine-triggerable or follows deterministically from an allowed handoff.",
              "evidence_status": "supported",
              "freshness": "fresh",
              "observed_at": "2026-08-21T22:48:47.929Z",
              "tested_surfaces": [
                {
                  "node_kind": "resource",
                  "node_id": "api-key-management"
                },
                {
                  "node_kind": "resource",
                  "node_id": "mcp-guide"
                },
                {
                  "node_kind": "resource",
                  "node_id": "oauth-pkce"
                },
                {
                  "node_kind": "resource",
                  "node_id": "quickstart"
                }
              ],
              "assessment_method": {
                "name": "public-http-semantic-assessment",
                "version": "2026-08-20",
                "method_digest": "sha256:f7c4219d9b75928a6bcff8d125dc30bbc718673e579a66f00d832172e8c9d43d"
              },
              "determination_bases": [
                {
                  "kind": "explicit_first_party_declaration",
                  "captures": [
                    {
                      "retained_capture_digest": "sha256:5a79aeaf425ea871023190ccb3058bcf3cf20f0c6a7831b549af963ccb085654",
                      "capture_rung": "http"
                    }
                  ],
                  "artifact_digests": [
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                  "source_surface": {
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                    "node_id": "api-key-management"
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                  "locators": [
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              ],
              "note": "API key provisioning is machine-triggerable via a POST request to https://openrouter.ai/api/v1/keys using a management Bearer token."
            }
          ],
          "blockers": [],
          "remediations": []
        },
        {
          "stage": "operate",
          "stage_label": "Operate",
          "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": "Retained documentation establishes authentication errors, rate-limit and credit-limit handling, and support escalation, but does not establish idempotency, cancellation, or reconciliation semantics."
          },
          "secondary_context": [
            {
              "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 programmatic API-key creation, listing, update, and deletion, including expiry and limit controls. The retained evidence does not establish automated compromise recovery."
            },
            {
              "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": "All essential assessment targets provide machine-operable API interfaces or standard structured JSON/OpenAPI endpoints for programmatic interaction."
            },
            {
              "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 documents request-time authentication via Bearer tokens in the Authorization header, supporting both standard API keys and management API keys for restricted operations."
            },
            {
              "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": "Every essential target endpoint specifies stable readable schemas, request parameters, response fields, and error shapes across standard HTTP and SSE streaming interfaces."
            },
            {
              "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 explicitly provides an MCP server interface that connects AI tools over the Model Context Protocol, allowing assistants to query live model, credit, and ranking data, as well as execute tool calls."
            }
          ],
          "signals": [
            {
              "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": "2026-08-21T22:48:45.254Z",
              "tested_surfaces": [
                {
                  "node_kind": "interface",
                  "node_id": "inference-api"
                },
                {
                  "node_kind": "interface",
                  "node_id": "model-catalog-api"
                },
                {
                  "node_kind": "interface",
                  "node_id": "openrouter-mcp"
                }
              ],
              "assessment_method": {
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                "version": "2026-08-20",
                "method_digest": "sha256:f7c4219d9b75928a6bcff8d125dc30bbc718673e579a66f00d832172e8c9d43d"
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              "determination_bases": [
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                  "kind": "explicit_first_party_declaration",
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                    "node_id": "mcp-guide"
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              ],
              "note": "OpenRouter explicitly provides an MCP server interface that connects AI tools over the Model Context Protocol, allowing assistants to query live model, credit, and ranking data, as well as execute tool calls."
            },
            {
              "signal_code": "credential_lifecycle",
              "evaluation_role": "graded",
              "required": true,
              "value": "partial",
              "value_label": "Limited",
              "outcome": "constrained",
              "public_state": "limited",
              "condition": "Can an agent manage credential expiry, rotation, revocation, compromise, and recovery?",
              "finding": "Only part of the credential lifecycle is agent-operable.",
              "evidence_status": "supported",
              "freshness": "fresh",
              "observed_at": "2026-08-21T22:48:47.929Z",
              "tested_surfaces": [
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                  "node_id": "api-key-management"
                },
                {
                  "node_kind": "resource",
                  "node_id": "mcp-guide"
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                {
                  "node_kind": "resource",
                  "node_id": "oauth-pkce"
                },
                {
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                  "node_id": "openapi-description"
                },
                {
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                  "node_id": "quickstart"
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              ],
              "assessment_method": {
                "name": "public-http-semantic-assessment",
                "version": "2026-08-20",
                "method_digest": "sha256:f7c4219d9b75928a6bcff8d125dc30bbc718673e579a66f00d832172e8c9d43d"
              },
              "determination_bases": [
                {
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                  "captures": [
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                      "capture_rung": "http"
                    }
                  ],
                  "artifact_digests": [
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                  "captures": [
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              ],
              "note": "OpenRouter documents programmatic API-key creation, listing, update, and deletion, including expiry and limit controls. The retained evidence does not establish automated compromise recovery.",
              "remediation": {
                "signal_code": "credential_lifecycle",
                "code": "improve.operate.credential_lifecycle",
                "instruction": "Provide scoped expiry, rotation, revocation, compromise, and recovery operations."
              }
            },
            {
              "signal_code": "failure_contract",
              "evaluation_role": "graded",
              "required": true,
              "value": "partial",
              "value_label": "Limited",
              "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": "2026-08-21T22:49:23.119Z",
              "tested_surfaces": [
                {
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                  "node_id": "pricing-and-billing"
                }
              ],
              "assessment_method": {
                "name": "bounded-headless-semantic-assessment",
                "version": "2026-08-20",
                "method_digest": "sha256:f1212e8cd082308cfde3c097bc933c4a4b72046b1f242205c3e27a3b020b3311"
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              "note": "Retained documentation establishes authentication errors, rate-limit and credit-limit handling, and support escalation, but does not establish idempotency, cancellation, or reconciliation semantics.",
              "remediation": {
                "signal_code": "failure_contract",
                "code": "improve.operate.failure_contract",
                "instruction": "Document applicable structured errors, retry, cancellation, and reconciliation semantics."
              }
            },
            {
              "signal_code": "operation_authentication",
              "evaluation_role": "graded",
              "required": true,
              "value": "yes",
              "value_label": "Ready",
              "outcome": "pass",
              "public_state": "ready",
              "condition": "Can an agent authenticate service operations with scoped authority?",
              "finding": "Request-time authentication is documented and usable under scoped agent authority.",
              "evidence_status": "supported",
              "freshness": "fresh",
              "observed_at": "2026-08-21T22:48:47.929Z",
              "tested_surfaces": [
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                },
                {
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                  "node_id": "mcp-guide"
                },
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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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                "version": "2026-08-20",
                "method_digest": "sha256:f7c4219d9b75928a6bcff8d125dc30bbc718673e579a66f00d832172e8c9d43d"
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              "determination_bases": [
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