CertScore.ai MCP Light

Get scan status

certscore_get_scan_status

Read-onlyIdempotent

Returns lifecycle status for a stable CertScore scanId. Active responses include phase, heartbeat, estimated progress, retryAfterSeconds, and sometimes a bounded preliminary preConsentPreview. Terminal responses include completion status, CertScore score and risk metadata when available, coverage, persisted execution region and timestamps, report URL, and a next-action field. Preliminary observations are distinct from completed findings.

Input Schema

TableJSON Schema

Name	Required	Description	Default
`scanId`	Yes	Stable CertScore scan ID returned by certscore_scan_site.

Output Schema

TableJSON Schema

Name	Required	Description	Default
`url`	No
`noGo`	No
`type`	No
`error`	Yes
`jobId`	No
`links`	No
`phase`	No
`score`	No
`domain`	No
`scanId`	No
`status`	No
`scan_id`	No
`stalled`	No
`coverage`	No
`scanFrom`	No
`createdAt`	No
`reportUrl`	No
`riskLevel`	No
`startedAt`	No
`provenance`	Yes
`scoreLabel`	Yes
`completedAt`	No
`gpcResponse`	No
`scoreStatus`	No
`formsSummary`	No
`scoreVersion`	No
`lastUpdatedAt`	No
`phaseStartedAt`	No
`scoreUpdatedAt`	No
`lastHeartbeatAt`	No
`progressPercent`	No
`scanTimeSeconds`	No
`scoreExplanation`	No
`preConsentPreview`	No
`resultDisposition`	No
`retryAfterSeconds`	No
`progressIsEstimate`	No
`recommendedNextTool`	Yes
`postAcceptObservation`	No
`recommendedNextAction`	Yes
`interpretationGuidance`	Yes
`postRefusalObservation`	No
`estimatedRemainingSeconds`	No
`observationOnlyDisclaimer`	Yes

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedOct 8, 2026

changedOutput schema / properties / formsSummary / anyOf

Previous value: -[
-  {
-    "additionalProperties": false,
-    "properties": {
-      "afterAcceptCapture": {
-        "enum": [
-          "retained",
-          "limited",
-          "unavailable"
-        ],
-        "type": "string"
-      },
-      "afterAcceptObserved": {
-        "anyOf": [
-          {
-            "minimum": 0,
-            "type": "integer"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      },
-      "contractVersion": {
-        "const": "certscore.forms-summary.v1",
-        "type": "string"
-      },
-      "preConsentCapture": {
-        "enum": [
-          "complete",
-          "limited",
-          "unavailable"
-        ],
-        "type": "string"
-      },
-      "preConsentObserved": {
-        "anyOf": [
-          {
-            "minimum": 0,
-            "type": "integer"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      },
-      "scope": {
-        "const": "starting_page_reportable_observations",
-        "type": "string"
-      },
-      "totalObserved": {
-        "minimum": 0,
-        "type": "integer"
-      }
-    },
-    "required": [
-      "contractVersion",
-      "scope",
-      "totalObserved",
-      "preConsentObserved",
-      "afterAcceptObserved",
-      "preConsentCapture",
-      "afterAcceptCapture"
-    ],
-    "type": "object"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "additionalProperties": false,
+    "properties": {
+      "afterAcceptCapture": {
+        "enum": [
+          "retained",
+          "limited",
+          "unavailable"
+        ],
+        "type": "string"
+      },
+      "afterAcceptObserved": {
+        "anyOf": [
+          {
+            "minimum": 0,
+            "type": "integer"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "contractVersion": {
+        "const": "certscore.forms-summary.v1",
+        "type": "string"
+      },
+      "countStatus": {
+        "enum": [
+          "captured",
+          "limited",
+          "not_captured"
+        ],
+        "type": "string"
+      },
+      "preConsentCapture": {
+        "enum": [
+          "complete",
+          "limited",
+          "unavailable"
+        ],
+        "type": "string"
+      },
+      "preConsentObserved": {
+        "anyOf": [
+          {
+            "minimum": 0,
+            "type": "integer"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "scope": {
+        "const": "starting_page_reportable_observations",
+        "type": "string"
+      },
+      "totalObserved": {
+        "minimum": 0,
+        "type": "integer"
+      }
+    },
+    "required": [
+      "contractVersion",
+      "scope",
+      "totalObserved",
+      "preConsentObserved",
+      "afterAcceptObserved",
+      "preConsentCapture",
+      "afterAcceptCapture"
+    ],
+    "type": "object"
+  },
+  {
+    "type": "null"
+  }
+]

Changed3 schema fields changedOct 8, 2026

addedOutput schema / properties / formsSummary

Added value: +{
+  "anyOf": [
+    {
+      "additionalProperties": false,
+      "properties": {
+        "afterAcceptCapture": {
+          "enum": [
+            "retained",
+            "limited",
+            "unavailable"
+          ],
+          "type": "string"
+        },
+        "afterAcceptObserved": {
+          "anyOf": [
+            {
+              "minimum": 0,
+              "type": "integer"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        },
+        "contractVersion": {
+          "const": "certscore.forms-summary.v1",
+          "type": "string"
+        },
+        "preConsentCapture": {
+          "enum": [
+            "complete",
+            "limited",
+            "unavailable"
+          ],
+          "type": "string"
+        },
+        "preConsentObserved": {
+          "anyOf": [
+            {
+              "minimum": 0,
+              "type": "integer"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        },
+        "scope": {
+          "const": "starting_page_reportable_observations",
+          "type": "string"
+        },
+        "totalObserved": {
+          "minimum": 0,
+          "type": "integer"
+        }
+      },
+      "required": [
+        "contractVersion",
+        "scope",
+        "totalObserved",
+        "preConsentObserved",
+        "afterAcceptObserved",
+        "preConsentCapture",
+        "afterAcceptCapture"
+      ],
+      "type": "object"
+    },
+    {
+      "type": "null"
+    }
+  ]
+}

addedOutput schema / properties / links / properties / formsEvidence
```
Added value: +{
+  "type": "string"
+}
```

addedOutput schema / properties / scoreExplanation

Added value: +{
+  "anyOf": [
+    {
+      "additionalProperties": false,
+      "properties": {
+        "baseScore": {
+          "const": 100,
+          "type": "number"
+        },
+        "contractVersion": {
+          "const": "certscore.score-explanation.v1",
+          "type": "string"
+        },
+        "deductions": {
+          "items": {
+            "additionalProperties": false,
+            "properties": {
+              "deductionPoints": {
+                "exclusiveMinimum": 0,
+                "type": "integer"
+              },
+              "family": {
+                "maxLength": 80,
+                "type": "string"
+              },
+              "label": {
+                "maxLength": 160,
+                "type": "string"
+              },
+              "rules": {
+                "items": {
+                  "additionalProperties": false,
+                  "properties": {
+                    "decisionVerification": {
+                      "enum": [
+                        "confirmed",
+                        "unconfirmed",
+                        "not_applicable",
+                        "unknown"
+                      ],
+                      "type": "string"
+                    },
+                    "findingIds": {
+                      "items": {
+                        "maxLength": 180,
+                        "type": "string"
+                      },
+                      "maxItems": 4,
+                      "type": "array"
+                    },
+                    "label": {
+                      "maxLength": 160,
+                      "type": "string"
+                    },
+                    "policyDeductionPoints": {
+                      "exclusiveMinimum": 0,
+                      "type": "integer"
+                    },
+                    "ruleId": {
+                      "maxLength": 160,
+                      "type": "string"
+                    }
+                  },
+                  "required": [
+                    "ruleId",
+                    "label",
+                    "policyDeductionPoints",
+                    "findingIds",
+                    "decisionVerification"
+                  ],
+                  "type": "object"
+                },
+                "maxItems": 40,
+                "type": "array"
+              }
+            },
+            "required": [
+              "family",
+              "label",
+              "deductionPoints",
+              "rules"
+            ],
+            "type": "object"
+          },
+          "maxItems": 16,
+          "type": "array"
+        },
+        "policyVersion": {
+          "maxLength": 120,
+          "type": "string"
+        },
+        "scope": {
+          "const": "starting_page_canonical_score",
+          "type": "string"
+        },
+        "score": {
+          "maximum": 100,
+          "minimum": 0,
+          "type": "integer"
+        },
+        "scoreFloor": {
+          "const": 0,
+          "type": "number"
+        },
+        "scoreVersion": {
+          "maxLength": 120,
+          "type": "string"
+        },
+        "totalPolicyDeductionPoints": {
+          "minimum": 0,
+          "type": "integer"
+        }
+      },
+      "required": [
+        "contractVersion",
+        "scope",
+        "scoreVersion",
+        "policyVersion",
+        "baseScore",
+        "scoreFloor",
+        "score",
+        "totalPolicyDeductionPoints",
+        "deductions"
+      ],
+      "type": "object"
+    },
+    {
+      "type": "null"
+    }
+  ]
+}

Changed1 schema field changedSep 25, 2026

changedOutput schema / properties / gpcResponse / anyOf

Previous value: -[
-  {
-    "anyOf": [
-      {
-        "not": {}
-      },
-      {
-        "anyOf": [
-          {
-            "additionalProperties": false,
-            "properties": {
-              "californiaPolicy": {
-                "additionalProperties": false,
-                "properties": {
-                  "applied": {
-                    "type": "boolean"
-                  },
-                  "deductionPoints": {
-                    "enum": [
-                      0,
-                      15
-                    ],
-                    "type": "number"
-                  }
-                },
-                "required": [
-                  "applied",
-                  "deductionPoints"
-                ],
-                "type": "object"
-              },
-              "comparison": {
-                "additionalProperties": false,
-                "properties": {
-                  "baselineArtifact": {
-                    "anyOf": [
-                      {
-                        "additionalProperties": false,
-                        "properties": {
-                          "lane": {
-                            "const": "runtime_evidence",
-                            "type": "string"
-                          },
-                          "sha256": {
-                            "pattern": "^[a-f0-9]{64}$",
-                            "type": "string"
-                          },
-                          "sizeBytes": {
-                            "minimum": 0,
-                            "type": "integer"
-                          }
-                        },
-                        "required": [
-                          "lane",
-                          "sha256",
-                          "sizeBytes"
-                        ],
-                        "type": "object"
-                      },
-                      {
-                        "type": "null"
-                      }
-                    ]
-                  },
-                  "comparable": {
-                    "type": "boolean"
-                  },
-                  "coverage": {
-                    "additionalProperties": false,
-                    "properties": {
-                      "comparedThroughMs": {
-                        "anyOf": [
-                          {
-                            "minimum": 0,
-                            "type": "integer"
-                          },
-                          {
-                            "type": "null"
-                          }
-                        ]
-                      },
-                      "status": {
-                        "enum": [
-                          "complete",
-                          "limited",
-                          "unavailable"
-                        ],
-                        "type": "string"
-                      }
-                    },
-                    "required": [
-                      "status",
-                      "comparedThroughMs"
-                    ],
-                    "type": "object"
-                  },
-                  "delivery": {
-                    "additionalProperties": false,
-                    "properties": {
-                      "status": {
-                        "enum": [
-                          "verified",
-                          "limited",
-                          "unavailable"
-                        ],
-                        "type": "string"
-                      }
-                    },
-                    "required": [
-                      "status"
-                    ],
-                    "type": "object"
-                  },
-                  "deltas": {
-                    "additionalProperties": false,
-                    "properties": {
-                      "advertisingOrMarketingActivity": {
-                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/comparison/properties/deltas/properties/cookies"
-                      },
-                      "advertisingOrMeasurementActivity": {
-                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/comparison/properties/deltas/properties/cookies"
-                      },
-                      "consentOrCmpBehavior": {
-                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/comparison/properties/deltas/properties/cookies"
-                      },
-                      "cookies": {
-                        "additionalProperties": false,
-                        "properties": {
-                          "baselineCount": {
-                            "minimum": 0,
-                            "type": "integer"
-                          },
-                          "baselineOnly": {
-                            "items": {
-                              "maxLength": 500,
-                              "minLength": 1,
-                              "type": "string"
-                            },
-                            "maxItems": 100,
-                            "type": "array"
-                          },
-                          "baselineOnlyCount": {
-                            "minimum": 0,
-                            "type": "integer"
-                          },
-                          "countDelta": {
-                            "type": "integer"
-                          },
-                          "gpcCount": {
-                            "minimum": 0,
-                            "type": "integer"
-                          },
-                          "gpcOnly": {
-                            "items": {
-                              "maxLength": 500,
-                              "minLength": 1,
-                              "type": "string"
-                            },
-                            "maxItems": 100,
-                            "type": "array"
-                          },
-                          "gpcOnlyCount": {
-                            "minimum": 0,
-                            "type": "integer"
-                          },
-                          "samplesTruncated": {
-                            "type": "boolean"
-                          },
-                          "shared": {
-                            "items": {
-                              "maxLength": 500,
-                              "minLength": 1,
-                              "type": "string"
-                            },
-                            "maxItems": 100,
-                            "type": "array"
-                          },
-                          "sharedCount": {
-                            "minimum": 0,
-                            "type": "integer"
-                          }
-                        },
-                        "required": [
-                          "baselineCount",
-                          "gpcCount",
-                          "countDelta",
-                          "baselineOnly",
-                          "gpcOnly",
-                          "shared"
-                        ],
-                        "type": "object"
-                      },
-                      "trackers": {
-                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/comparison/properties/deltas/properties/cookies"
-                      },
-                      "webStorage": {
-                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/comparison/properties/deltas/properties/cookies"
-                      }
-                    },
-                    "required": [
-                      "cookies",
-                      "trackers",
-                      "advertisingOrMeasurementActivity",
-                      "consentOrCmpBehavior"
-                    ],
-                    "type": "object"
-                  },
-                  "enabledProof": {
-                    "additionalProperties": false,
-                    "properties": {
-                      "navigatorGlobalPrivacyControl": {
-                        "type": [
-                          "boolean",
-                          "null"
-                        ]
-                      },
-                      "requestEventIds": {
-                        "items": {
-                          "maxLength": 160,
-                          "minLength": 1,
-                          "type": "string"
-                        },
-                        "maxItems": 100,
-                        "type": "array"
-                      },
-                      "requestsWithSecGpc": {
-                        "minimum": 0,
-                        "type": "integer"
-                      },
-                      "secGpcHeaderValue": {
-                        "anyOf": [
-                          {
-                            "const": "1",
-                            "type": "string"
-                          },
-                          {
-                            "type": "null"
-                          }
-                        ]
-                      }
-                    },
-                    "required": [
-                      "secGpcHeaderValue",
-                      "requestsWithSecGpc",
-                      "requestEventIds",
-                      "navigatorGlobalPrivacyControl"
-                    ],
-                    "type": "object"
-                  },
-                  "gpcArtifact": {
-                    "anyOf": [
-                      {
-                        "additionalProperties": false,
-                        "properties": {
-                          "lane": {
-                            "const": "gpc_observation",
-                            "type": "string"
-                          },
-                          "sha256": {
-                            "pattern": "^[a-f0-9]{64}$",
-                            "type": "string"
-                          },
-                          "sizeBytes": {
-                            "minimum": 0,
-                            "type": "integer"
-                          }
-                        },
-                        "required": [
-                          "lane",
-                          "sha256",
-                          "sizeBytes"
-                        ],
-                        "type": "object"
-                      },
-                      {
-                        "type": "null"
-                      }
-                    ]
-                  },
-                  "limitationKeys": {
-                    "items": {
-                      "maxLength": 160,
-                      "minLength": 1,
-                      "type": "string"
-                    },
-                    "maxItems": 24,
-                    "type": "array"
-                  },
-                  "protocol": {
-                    "const": "passive_baseline_with_sec_gpc",
-                    "type": "string"
-                  },
-                  "responseBasis": {
-                    "enum": [
-                      "qualified_activity_reduction",
-                      "no_qualified_reduction",
-                      "insufficient_evidence"
-                    ],
-                    "type": "string"
-                  }
-                },
-                "required": [
-                  "comparable",
-                  "protocol",
-                  "baselineArtifact",
-                  "gpcArtifact",
-                  "enabledProof",
-                  "deltas",
-                  "limitationKeys"
-                ],
-                "type": "object"
-              },
-              "contractVersion": {
-                "enum": [
-                  "certscore.gpc-response-assessment.v1",
-                  "certscore.gpc-response-assessment.v2",
-                  "certscore.gpc-response-assessment.v3"
-                ],
-                "type": "string"
-              },
-              "evidenceUrl": {
-                "format": "uri",
-                "type": "string"
-              },
-              "findingTitle": {
-                "enum": [
-                  "GPC response",
-                  "No observable GPC response"
-                ],
-                "type": "string"
-              },
-              "legalInterpretation": {
-                "const": "not_assessed",
-                "type": "string"
-              },
-              "observation": {
-                "additionalProperties": false,
-                "properties": {
-                  "acknowledgment": {
-                    "additionalProperties": false,
-                    "properties": {
-                      "captureComplete": {
-                        "type": "boolean"
-                      },
-                      "observed": {
-                        "type": "boolean"
-                      }
-                    },
-                    "required": [
-                      "observed",
-                      "captureComplete"
-                    ],
-                    "type": "object"
-                  },
-                  "contractVersion": {
-                    "const": "certscore.gpc-bounded-observation.v1",
-                    "type": "string"
-                  },
-                  "delivery": {
-                    "additionalProperties": false,
-                    "properties": {
-                      "fullContextVerified": {
-                        "type": "boolean"
-                      },
-                      "httpHeaderRetained": {
-                        "type": "boolean"
-                      },
-                      "mainNavigatorReadbackRetained": {
-                        "type": "boolean"
-                      }
-                    },
-                    "required": [
-                      "httpHeaderRetained",
-                      "mainNavigatorReadbackRetained",
-                      "fullContextVerified"
-                    ],
-                    "type": "object"
-                  },
-                  "documentUrlSha256": {
-                    "anyOf": [
-                      {
-                        "pattern": "^[a-f0-9]{64}$",
-                        "type": "string"
-                      },
-                      {
-                        "type": "null"
-                      }
-                    ]
-                  },
-                  "legalInterpretation": {
-                    "const": "not_assessed",
-                    "type": "string"
-                  },
-                  "limitationKeys": {
-                    "items": {
-                      "maxLength": 160,
-                      "minLength": 1,
-                      "type": "string"
-                    },
-                    "maxItems": 32,
-                    "type": "array"
-                  },
-                  "registration": {
-                    "additionalProperties": false,
-                    "properties": {
-                      "basis": {
-                        "const": "current_recorded_state",
-                        "type": "string"
-                      },
-                      "causedByGpc": {
-                        "const": "not_established",
-                        "type": "string"
-                      },
-                      "cmpGpcSignal": {
-                        "enum": [
-                          "received",
-                          "not_received",
-                          "unknown"
-                        ],
-                        "type": "string"
-                      },
-                      "sale": {
-                        "enum": [
-                          "opted_out",
-                          "not_opted_out",
-                          "unknown"
-                        ],
-                        "type": "string"
-                      },
-                      "sharing": {
-                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/observation/properties/registration/properties/sale"
-                      }
-                    },
-                    "required": [
-                      "basis",
-                      "sale",
-                      "sharing",
-                      "cmpGpcSignal",
-                      "causedByGpc"
-                    ],
-                    "type": "object"
-                  },
-                  "requests": {
-                    "additionalProperties": false,
-                    "properties": {
-                      "blockedBeforeTransmissionCount": {
-                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/observation/properties/requests/properties/count"
-                      },
-                      "classifiedCount": {
-                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/observation/properties/requests/properties/count"
-                      },
-                      "collectionCount": {
-                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/observation/properties/requests/properties/count"
-                      },
-                      "complete": {
-                        "type": "boolean"
-                      },
-                      "count": {
-                        "minimum": 0,
-                        "type": "integer"
-                      },
-                      "documentCommittedAtMs": {
-                        "anyOf": [
-                          {
-                            "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/observation/properties/requests/properties/count"
-                          },
-                          {
-                            "type": "null"
-                          }
-                        ]
-                      },
-                      "evidenceIds": {
-                        "items": {
-                          "maxLength": 160,
-                          "minLength": 1,
-                          "type": "string"
-                        },
-                        "maxItems": 100,
-                        "type": "array"
-                      },
-                      "fromMs": {
-                        "anyOf": [
-                          {
-                            "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/observation/properties/requests/properties/count"
-                          },
-                          {
-                            "type": "null"
-                          }
-                        ]
-                      },
-                      "samplesTruncated": {
-                        "type": "boolean"
-                      },
-                      "throughMs": {
-                        "anyOf": [
-                          {
-                            "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/observation/properties/requests/properties/count"
-                          },
-                          {
-                            "type": "null"
-                          }
-                        ]
-                      }
-                    },
-                    "required": [
-                      "count",
-                      "blockedBeforeTransmissionCount",
-                      "complete",
-                      "fromMs",
-                      "documentCommittedAtMs",
-                      "throughMs",
-                      "classifiedCount",
-                      "collectionCount",
-                      "evidenceIds",
-                      "samplesTruncated"
-                    ],
-                    "type": "object"
-                  },
-                  "scope": {
-                    "const": "main_document_and_retained_http_requests",
-                    "type": "string"
-                  },
-                  "scoreEffect": {
-                    "const": "none",
-                    "type": "string"
-                  },
-                  "semanticProbe": {
-                    "enum": [
-                      "observed",
-                      "unsupported",
-                      "unavailable",
-                      "not_ready",
-                      "invalid",
-                      "incomplete"
-                    ],
-                    "type": "string"
-                  },
-                  "sessionSha256": {
-                    "anyOf": [
-                      {
-                        "pattern": "^[a-f0-9]{64}$",
-                        "type": "string"
-                      },
-                      {
-                        "type": "null"
-                      }
-                    ]
-                  },
-                  "sourceSha256": {
-                    "anyOf": [
-                      {
-                        "pattern": "^[a-f0-9]{64}$",
-                        "type": "string"
-                      },
-                      {
-                        "type": "null"
-                      }
-                    ]
-                  },
-                  "status": {
-                    "enum": [
-                      "complete",
-                      "limited",
-                      "unavailable"
-                    ],
-                    "type": "string"
-                  }
-                },
-                "required": [
-                  "contractVersion",
-                  "scope",
-                  "status",
-                  "sourceSha256",
-                  "sessionSha256",
-                  "documentUrlSha256",
-                  "delivery",
-                  "semanticProbe",
-                  "registration",
-                  "acknowledgment",
-                  "requests",
-                  "limitationKeys",
-                  "scoreEffect",
-                  "legalInterpretation"
-                ],
-                "type": "object"
-              },
-              "scoreEffect": {
-                "const": "none",
-                "type": "string"
-              },
-              "status": {
-                "enum": [
-                  "responsive",
-                  "no_observable_response",
-                  "indeterminate"
-                ],
-                "type": "string"
-              },
-              "summary": {
-                "maxLength": 2000,
-                "minLength": 1,
-                "type": "string"
-              }
-            },
-            "required": [
-              "status",
-              "findingTitle",
-              "summary",
-              "scoreEffect",
-              "legalInterpretation",
-              "comparison",
-              "californiaPolicy",
-              "evidenceUrl"
-            ],
-            "type": "object"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      }
-    ]
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "anyOf": [
+      {
+        "not": {}
+      },
+      {
+        "anyOf": [
+          {
+            "additionalProperties": false,
+            "properties": {
+              "activityComparison": {
+                "additionalProperties": false,
+                "properties": {
+                  "activity": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "advertisingMarketing": {
+                        "additionalProperties": false,
+                        "properties": {
+                          "baselineRequests": {
+                            "maximum": 5000,
+                            "minimum": 0,
+                            "type": "integer"
+                          },
+                          "baselineServices": {
+                            "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/activityComparison/properties/activity/properties/advertisingMarketing/properties/baselineRequests"
+                          },
+                          "gpcRequests": {
+                            "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/activityComparison/properties/activity/properties/advertisingMarketing/properties/baselineRequests"
+                          },
+                          "gpcServices": {
+                            "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/activityComparison/properties/activity/properties/advertisingMarketing/properties/baselineRequests"
+                          }
+                        },
+                        "required": [
+                          "baselineRequests",
+                          "gpcRequests",
+                          "baselineServices",
+                          "gpcServices"
+                        ],
+                        "type": "object"
+                      },
+                      "analyticsReplay": {
+                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/activityComparison/properties/activity/properties/advertisingMarketing"
+                      }
+                    },
+                    "required": [
+                      "advertisingMarketing",
+                      "analyticsReplay"
+                    ],
+                    "type": "object"
+                  },
+                  "causedByGpc": {
+                    "const": "not_established",
+                    "type": "string"
+                  },
+                  "contractVersion": {
+                    "const": "certscore.gpc-activity-comparison.v1",
+                    "type": "string"
+                  },
+                  "durationMs": {
+                    "enum": [
+                      250,
+                      500,
+                      1000
+                    ],
+                    "type": "number"
+                  },
+                  "scanId": {
+                    "maxLength": 200,
+                    "minLength": 1,
+                    "type": "string"
+                  },
+                  "scope": {
+                    "const": "matched_post_commit_request_window",
+                    "type": "string"
+                  },
+                  "scoreEffect": {
+                    "const": "none",
+                    "type": "string"
+                  },
+                  "sourceHashes": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "baseline": {
+                        "pattern": "^[a-f0-9]{64}$",
+                        "type": "string"
+                      },
+                      "gpc": {
+                        "pattern": "^[a-f0-9]{64}$",
+                        "type": "string"
+                      }
+                    },
+                    "required": [
+                      "baseline",
+                      "gpc"
+                    ],
+                    "type": "object"
+                  },
+                  "status": {
+                    "const": "measured",
+                    "type": "string"
+                  }
+                },
+                "required": [
+                  "contractVersion",
+                  "scanId",
+                  "status",
+                  "scope",
+                  "durationMs",
+                  "sourceHashes",
+                  "activity",
+                  "scoreEffect",
+                  "causedByGpc"
+                ],
+                "type": "object"
+              },
+              "californiaPolicy": {
+                "additionalProperties": false,
+                "properties": {
+                  "applied": {
+                    "type": "boolean"
+                  },
+                  "deductionPoints": {
+                    "enum": [
+                      0,
+                      15
+                    ],
+                    "type": "number"
+                  }
+                },
+                "required": [
+                  "applied",
+                  "deductionPoints"
+                ],
+                "type": "object"
+              },
+              "comparison": {
+                "additionalProperties": false,
+                "properties": {
+                  "baselineArtifact": {
+                    "anyOf": [
+                      {
+                        "additionalProperties": false,
+                        "properties": {
+                          "lane": {
+                            "const": "runtime_evidence",
+                            "type": "string"
+                          },
+                          "sha256": {
+                            "pattern": "^[a-f0-9]{64}$",
+                            "type": "string"
+                          },
+                          "sizeBytes": {
+                            "minimum": 0,
+                            "type": "integer"
+                          }
+                        },
+                        "required": [
+                          "lane",
+                          "sha256",
+                          "sizeBytes"
+                        ],
+                        "type": "object"
+                      },
+                      {
+                        "type": "null"
+                      }
+                    ]
+                  },
+                  "comparable": {
+                    "type": "boolean"
+                  },
+                  "coverage": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "comparedThroughMs": {
+                        "anyOf": [
+                          {
+                            "minimum": 0,
+                            "type": "integer"
+                          },
+                          {
+                            "type": "null"
+                          }
+                        ]
+                      },
+                      "status": {
+                        "enum": [
+                          "complete",
+                          "limited",
+                          "unavailable"
+                        ],
+                        "type": "string"
+                      }
+                    },
+                    "required": [
+                      "status",
+                      "comparedThroughMs"
+                    ],
+                    "type": "object"
+                  },
+                  "delivery": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "status": {
+                        "enum": [
+                          "verified",
+                          "limited",
+                          "unavailable"
+                        ],
+                        "type": "string"
+                      }
+                    },
+                    "required": [
+                      "status"
+                    ],
+                    "type": "object"
+                  },
+                  "deltas": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "advertisingOrMarketingActivity": {
+                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/comparison/properties/deltas/properties/cookies"
+                      },
+                      "advertisingOrMeasurementActivity": {
+                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/comparison/properties/deltas/properties/cookies"
+                      },
+                      "consentOrCmpBehavior": {
+                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/comparison/properties/deltas/properties/cookies"
+                      },
+                      "cookies": {
+                        "additionalProperties": false,
+                        "properties": {
+                          "baselineCount": {
+                            "minimum": 0,
+                            "type": "integer"
+                          },
+                          "baselineOnly": {
+                            "items": {
+                              "maxLength": 500,
+                              "minLength": 1,
+                              "type": "string"
+                            },
+                            "maxItems": 100,
+                            "type": "array"
+                          },
+                          "baselineOnlyCount": {
+                            "minimum": 0,
+                            "type": "integer"
+                          },
+                          "countDelta": {
+                            "type": "integer"
+                          },
+                          "gpcCount": {
+                            "minimum": 0,
+                            "type": "integer"
+                          },
+                          "gpcOnly": {
+                            "items": {
+                              "maxLength": 500,
+                              "minLength": 1,
+                              "type": "string"
+                            },
+                            "maxItems": 100,
+                            "type": "array"
+                          },
+                          "gpcOnlyCount": {
+                            "minimum": 0,
+                            "type": "integer"
+                          },
+                          "samplesTruncated": {
+                            "type": "boolean"
+                          },
+                          "shared": {
+                            "items": {
+                              "maxLength": 500,
+                              "minLength": 1,
+                              "type": "string"
+                            },
+                            "maxItems": 100,
+                            "type": "array"
+                          },
+                          "sharedCount": {
+                            "minimum": 0,
+                            "type": "integer"
+                          }
+                        },
+                        "required": [
+                          "baselineCount",
+                          "gpcCount",
+                          "countDelta",
+                          "baselineOnly",
+                          "gpcOnly",
+                          "shared"
+                        ],
+                        "type": "object"
+                      },
+                      "trackers": {
+                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/comparison/properties/deltas/properties/cookies"
+                      },
+                      "webStorage": {
+                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/comparison/properties/deltas/properties/cookies"
+                      }
+                    },
+                    "required": [
+                      "cookies",
+                      "trackers",
+                      "advertisingOrMeasurementActivity",
+                      "consentOrCmpBehavior"
+                    ],
+                    "type": "object"
+                  },
+                  "enabledProof": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "navigatorGlobalPrivacyControl": {
+                        "type": [
+                          "boolean",
+                          "null"
+                        ]
+                      },
+                      "requestEventIds": {
+                        "items": {
+                          "maxLength": 160,
+                          "minLength": 1,
+                          "type": "string"
+                        },
+                        "maxItems": 100,
+                        "type": "array"
+                      },
+                      "requestsWithSecGpc": {
+                        "minimum": 0,
+                        "type": "integer"
+                      },
+                      "secGpcHeaderValue": {
+                        "anyOf": [
+                          {
+                            "const": "1",
+                            "type": "string"
+                          },
+                          {
+                            "type": "null"
+                          }
+                        ]
+                      }
+                    },
+                    "required": [
+                      "secGpcHeaderValue",
+                      "requestsWithSecGpc",
+                      "requestEventIds",
+                      "navigatorGlobalPrivacyControl"
+                    ],
+                    "type": "object"
+                  },
+                  "gpcArtifact": {
+                    "anyOf": [
+                      {
+                        "additionalProperties": false,
+                        "properties": {
+                          "lane": {
+                            "const": "gpc_observation",
+                            "type": "string"
+                          },
+                          "sha256": {
+                            "pattern": "^[a-f0-9]{64}$",
+                            "type": "string"
+                          },
+                          "sizeBytes": {
+                            "minimum": 0,
+                            "type": "integer"
+                          }
+                        },
+                        "required": [
+                          "lane",
+                          "sha256",
+                          "sizeBytes"
+                        ],
+                        "type": "object"
+                      },
+                      {
+                        "type": "null"
+                      }
+                    ]
+                  },
+                  "limitationKeys": {
+                    "items": {
+                      "maxLength": 160,
+                      "minLength": 1,
+                      "type": "string"
+                    },
+                    "maxItems": 24,
+                    "type": "array"
+                  },
+                  "protocol": {
+                    "const": "passive_baseline_with_sec_gpc",
+                    "type": "string"
+                  },
+                  "responseBasis": {
+                    "enum": [
+                      "qualified_activity_reduction",
+                      "no_qualified_reduction",
+                      "insufficient_evidence"
+                    ],
+                    "type": "string"
+                  }
+                },
+                "required": [
+                  "comparable",
+                  "protocol",
+                  "baselineArtifact",
+                  "gpcArtifact",
+                  "enabledProof",
+                  "deltas",
+                  "limitationKeys"
+                ],
+                "type": "object"
+              },
+              "contractVersion": {
+                "enum": [
+                  "certscore.gpc-response-assessment.v1",
+                  "certscore.gpc-response-assessment.v2",
+                  "certscore.gpc-response-assessment.v3"
+                ],
+                "type": "string"
+              },
+              "evidenceUrl": {
+                "format": "uri",
+                "type": "string"
+              },
+              "findingTitle": {
+                "enum": [
+                  "GPC response",
+                  "No observable GPC response"
+                ],
+                "type": "string"
+              },
+              "legalInterpretation": {
+                "const": "not_assessed",
+                "type": "string"
+              },
+              "observation": {
+                "additionalProperties": false,
+                "properties": {
+                  "acknowledgment": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "captureComplete": {
+                        "type": "boolean"
+                      },
+                      "observed": {
+                        "type": "boolean"
+                      }
+                    },
+                    "required": [
+                      "observed",
+                      "captureComplete"
+                    ],
+                    "type": "object"
+                  },
+                  "contractVersion": {
+                    "const": "certscore.gpc-bounded-observation.v1",
+                    "type": "string"
+                  },
+                  "delivery": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "fullContextVerified": {
+                        "type": "boolean"
+                      },
+                      "httpHeaderRetained": {
+                        "type": "boolean"
+                      },
+                      "mainNavigatorReadbackRetained": {
+                        "type": "boolean"
+                      }
+                    },
+                    "required": [
+                      "httpHeaderRetained",
+                      "mainNavigatorReadbackRetained",
+                      "fullContextVerified"
+                    ],
+                    "type": "object"
+                  },
+                  "documentUrlSha256": {
+                    "anyOf": [
+                      {
+                        "pattern": "^[a-f0-9]{64}$",
+                        "type": "string"
+                      },
+                      {
+                        "type": "null"
+                      }
+                    ]
+                  },
+                  "legalInterpretation": {
+                    "const": "not_assessed",
+                    "type": "string"
+                  },
+                  "limitationKeys": {
+                    "items": {
+                      "maxLength": 160,
+                      "minLength": 1,
+                      "type": "string"
+                    },
+                    "maxItems": 32,
+                    "type": "array"
+                  },
+                  "registration": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "basis": {
+                        "const": "current_recorded_state",
+                        "type": "string"
+                      },
+                      "causedByGpc": {
+                        "const": "not_established",
+                        "type": "string"
+                      },
+                      "cmpGpcSignal": {
+                        "enum": [
+                          "received",
+                          "not_received",
+                          "unknown"
+                        ],
+                        "type": "string"
+                      },
+                      "sale": {
+                        "enum": [
+                          "opted_out",
+                          "not_opted_out",
+                          "unknown"
+                        ],
+                        "type": "string"
+                      },
+                      "sharing": {
+                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/observation/properties/registration/properties/sale"
+                      }
+                    },
+                    "required": [
+                      "basis",
+                      "sale",
+                      "sharing",
+                      "cmpGpcSignal",
+                      "causedByGpc"
+                    ],
+                    "type": "object"
+                  },
+                  "requests": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "blockedBeforeTransmissionCount": {
+                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/observation/properties/requests/properties/count"
+                      },
+                      "classifiedCount": {
+                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/observation/properties/requests/properties/count"
+                      },
+                      "collectionCount": {
+                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/observation/properties/requests/properties/count"
+                      },
+                      "complete": {
+                        "type": "boolean"
+                      },
+                      "count": {
+                        "minimum": 0,
+                        "type": "integer"
+                      },
+                      "documentCommittedAtMs": {
+                        "anyOf": [
+                          {
+                            "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/observation/properties/requests/properties/count"
+                          },
+                          {
+                            "type": "null"
+                          }
+                        ]
+                      },
+                      "evidenceIds": {
+                        "items": {
+                          "maxLength": 160,
+                          "minLength": 1,
+                          "type": "string"
+                        },
+                        "maxItems": 100,
+                        "type": "array"
+                      },
+                      "fromMs": {
+                        "anyOf": [
+                          {
+                            "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/observation/properties/requests/properties/count"
+                          },
+                          {
+                            "type": "null"
+                          }
+                        ]
+                      },
+                      "samplesTruncated": {
+                        "type": "boolean"
+                      },
+                      "throughMs": {
+                        "anyOf": [
+                          {
+                            "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/observation/properties/requests/properties/count"
+                          },
+                          {
+                            "type": "null"
+                          }
+                        ]
+                      }
+                    },
+                    "required": [
+                      "count",
+                      "blockedBeforeTransmissionCount",
+                      "complete",
+                      "fromMs",
+                      "documentCommittedAtMs",
+                      "throughMs",
+                      "classifiedCount",
+                      "collectionCount",
+                      "evidenceIds",
+                      "samplesTruncated"
+                    ],
+                    "type": "object"
+                  },
+                  "scope": {
+                    "const": "main_document_and_retained_http_requests",
+                    "type": "string"
+                  },
+                  "scoreEffect": {
+                    "const": "none",
+                    "type": "string"
+                  },
+                  "semanticProbe": {
+                    "enum": [
+                      "observed",
+                      "unsupported",
+                      "unavailable",
+                      "not_ready",
+                      "invalid",
+                      "incomplete"
+                    ],
+                    "type": "string"
+                  },
+                  "sessionSha256": {
+                    "anyOf": [
+                      {
+                        "pattern": "^[a-f0-9]{64}$",
+                        "type": "string"
+                      },
+                      {
+                        "type": "null"
+                      }
+                    ]
+                  },
+                  "sourceSha256": {
+                    "anyOf": [
+                      {
+                        "pattern": "^[a-f0-9]{64}$",
+                        "type": "string"
+                      },
+                      {
+                        "type": "null"
+                      }
+                    ]
+                  },
+                  "status": {
+                    "enum": [
+                      "complete",
+                      "limited",
+                      "unavailable"
+                    ],
+                    "type": "string"
+                  }
+                },
+                "required": [
+                  "contractVersion",
+                  "scope",
+                  "status",
+                  "sourceSha256",
+                  "sessionSha256",
+                  "documentUrlSha256",
+                  "delivery",
+                  "semanticProbe",
+                  "registration",
+                  "acknowledgment",
+                  "requests",
+                  "limitationKeys",
+                  "scoreEffect",
+                  "legalInterpretation"
+                ],
+                "type": "object"
+              },
+              "scoreEffect": {
+                "const": "none",
+                "type": "string"
+              },
+              "status": {
+                "enum": [
+                  "responsive",
+                  "no_observable_response",
+                  "indeterminate"
+                ],
+                "type": "string"
+              },
+              "summary": {
+                "maxLength": 2000,
+                "minLength": 1,
+                "type": "string"
+              }
+            },
+            "required": [
+              "status",
+              "findingTitle",
+              "summary",
+              "scoreEffect",
+              "legalInterpretation",
+              "comparison",
+              "californiaPolicy",
+              "evidenceUrl"
+            ],
+            "type": "object"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "type": "null"
+  }
+]

Changed2 schema fields changedSep 15, 2026

changedOutput schema / properties / postAcceptObservation / anyOf

Previous value: -[
-  {
-    "anyOf": [
-      {
-        "not": {}
-      },
-      {
-        "anyOf": [
-          {
-            "additionalProperties": false,
-            "properties": {
-              "acceptanceExercised": {
-                "type": "boolean"
-              },
-              "afterAction": {
-                "additionalProperties": false,
-                "properties": {
-                  "action": {
-                    "enum": [
-                      "accept",
-                      "reject"
-                    ],
-                    "type": "string"
-                  },
-                  "activationStatus": {
-                    "enum": [
-                      "completed",
-                      "uncertain"
-                    ],
-                    "type": "string"
-                  },
-                  "policyVersion": {
-                    "enum": [
-                      "bounded_after_action_capture.v1",
-                      "bounded_after_action_capture.v2"
-                    ],
-                    "type": "string"
-                  },
-                  "requestCount": {
-                    "minimum": 0,
-                    "type": "integer"
-                  },
-                  "requestsDropped": {
-                    "minimum": 0,
-                    "type": "integer"
-                  },
-                  "stopReason": {
-                    "enum": [
-                      "window_elapsed",
-                      "aborted",
-                      "target_changed",
-                      "click_uncertain"
-                    ],
-                    "type": "string"
-                  },
-                  "storageSnapshotRetained": {
-                    "type": "boolean"
-                  },
-                  "storageWriteCount": {
-                    "minimum": 0,
-                    "type": "integer"
-                  }
-                },
-                "required": [
-                  "policyVersion",
-                  "action",
-                  "activationStatus",
-                  "stopReason",
-                  "requestsDropped",
-                  "requestCount",
-                  "storageWriteCount",
-                  "storageSnapshotRetained"
-                ],
-                "type": "object"
-              },
-              "completedAt": {
-                "type": [
-                  "string",
-                  "null"
-                ]
-              },
-              "coverageLimitations": {
-                "items": {
-                  "type": "string"
-                },
-                "maxItems": 24,
-                "type": "array"
-              },
-              "evidenceDisposition": {
-                "enum": [
-                  "confirmed",
-                  "indeterminate"
-                ],
-                "type": "string"
-              },
-              "indeterminateReason": {
-                "anyOf": [
-                  {
-                    "maxLength": 160,
-                    "minLength": 1,
-                    "type": "string"
-                  },
-                  {
-                    "type": "null"
-                  }
-                ]
-              },
-              "interpretation": {
-                "maxLength": 500,
-                "minLength": 1,
-                "type": "string"
-              },
-              "limitations": {
-                "items": {
-                  "type": "string"
-                },
-                "maxItems": 24,
-                "type": "array"
-              },
-              "observationCount": {
-                "minimum": 0,
-                "type": "integer"
-              },
-              "observationStrategy": {
-                "enum": [
-                  "stop_on_first_eligible_activity",
-                  "not_applicable"
-                ],
-                "type": "string"
-              },
-              "productionProjectable": {
-                "type": "boolean"
-              },
-              "status": {
-                "enum": [
-                  "confirmed_observation",
-                  "confirmed_clean",
-                  "unconfirmed",
-                  "not_attempted",
-                  "unsupported",
-                  "aborted"
-                ],
-                "type": "string"
-              },
-              "termination": {
-                "additionalProperties": false,
-                "properties": {
-                  "intentional": {
-                    "type": "boolean"
-                  },
-                  "kind": {
-                    "enum": [
-                      "evidence_satisfied",
-                      "window_elapsed",
-                      "unavailable"
-                    ],
-                    "type": "string"
-                  },
-                  "trigger": {
-                    "enum": [
-                      "non_essential_request_observed",
-                      "non_essential_storage_write_observed",
-                      "acceptance_signal_contradiction_observed",
-                      "window_elapsed",
-                      "accept_control_not_observed",
-                      "accept_path_timeout",
-                      "accept_observation_window_truncated",
-                      "worker_failed",
-                      "unavailable"
-                    ],
-                    "type": "string"
-                  }
-                },
-                "required": [
-                  "kind",
-                  "intentional",
-                  "trigger"
-                ],
-                "type": "object"
-              },
-              "verdict": {
-                "enum": [
-                  "eligible_nonessential_activity_observed_after_confirmed_acceptance",
-                  "retained_consent_signal_contradiction_observed_after_confirmed_acceptance",
-                  "no_eligible_nonessential_activity_observed_during_completed_window",
-                  "no_confirmed_post_accept_verdict"
-                ],
-                "type": "string"
-              }
-            },
-            "required": [
-              "status",
-              "acceptanceExercised",
-              "observationCount",
-              "productionProjectable",
-              "evidenceDisposition",
-              "indeterminateReason",
-              "verdict",
-              "interpretation",
-              "observationStrategy",
-              "termination",
-              "completedAt",
-              "coverageLimitations",
-              "limitations"
-            ],
-            "type": "object"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      }
-    ]
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "anyOf": [
+      {
+        "not": {}
+      },
+      {
+        "anyOf": [
+          {
+            "additionalProperties": false,
+            "properties": {
+              "acceptanceExercised": {
+                "type": "boolean"
+              },
+              "afterAction": {
+                "additionalProperties": false,
+                "properties": {
+                  "action": {
+                    "enum": [
+                      "accept",
+                      "reject"
+                    ],
+                    "type": "string"
+                  },
+                  "activationStatus": {
+                    "enum": [
+                      "completed",
+                      "uncertain"
+                    ],
+                    "type": "string"
+                  },
+                  "policyVersion": {
+                    "enum": [
+                      "bounded_after_action_capture.v1",
+                      "bounded_after_action_capture.v2"
+                    ],
+                    "type": "string"
+                  },
+                  "requestCount": {
+                    "minimum": 0,
+                    "type": "integer"
+                  },
+                  "requestsDropped": {
+                    "minimum": 0,
+                    "type": "integer"
+                  },
+                  "stopReason": {
+                    "enum": [
+                      "window_elapsed",
+                      "aborted",
+                      "target_changed",
+                      "click_uncertain"
+                    ],
+                    "type": "string"
+                  },
+                  "storageSnapshotRetained": {
+                    "type": "boolean"
+                  },
+                  "storageWriteCount": {
+                    "minimum": 0,
+                    "type": "integer"
+                  }
+                },
+                "required": [
+                  "policyVersion",
+                  "action",
+                  "activationStatus",
+                  "stopReason",
+                  "requestsDropped",
+                  "requestCount",
+                  "storageWriteCount",
+                  "storageSnapshotRetained"
+                ],
+                "type": "object"
+              },
+              "completedAt": {
+                "type": [
+                  "string",
+                  "null"
+                ]
+              },
+              "coverageLimitations": {
+                "items": {
+                  "type": "string"
+                },
+                "maxItems": 24,
+                "type": "array"
+              },
+              "evidenceDisposition": {
+                "enum": [
+                  "confirmed",
+                  "indeterminate"
+                ],
+                "type": "string"
+              },
+              "execution": {
+                "additionalProperties": false,
+                "properties": {
+                  "clickCompleted": {
+                    "type": "boolean"
+                  },
+                  "consentConfirmed": {
+                    "type": "boolean"
+                  },
+                  "observationCompleted": {
+                    "type": "boolean"
+                  },
+                  "policyVersion": {
+                    "const": "choice_path_execution.v1",
+                    "type": "string"
+                  },
+                  "status": {
+                    "enum": [
+                      "succeeded",
+                      "succeeded_with_confirmation",
+                      "limited",
+                      "not_attempted",
+                      "unsupported"
+                    ],
+                    "type": "string"
+                  }
+                },
+                "required": [
+                  "policyVersion",
+                  "status",
+                  "clickCompleted",
+                  "observationCompleted",
+                  "consentConfirmed"
+                ],
+                "type": "object"
+              },
+              "indeterminateReason": {
+                "anyOf": [
+                  {
+                    "maxLength": 160,
+                    "minLength": 1,
+                    "type": "string"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ]
+              },
+              "interpretation": {
+                "maxLength": 500,
+                "minLength": 1,
+                "type": "string"
+              },
+              "limitations": {
+                "items": {
+                  "type": "string"
+                },
+                "maxItems": 24,
+                "type": "array"
+              },
+              "observationCount": {
+                "minimum": 0,
+                "type": "integer"
+              },
+              "observationStrategy": {
+                "enum": [
+                  "stop_on_first_eligible_activity",
+                  "not_applicable"
+                ],
+                "type": "string"
+              },
+              "productionProjectable": {
+                "type": "boolean"
+              },
+              "status": {
+                "enum": [
+                  "confirmed_observation",
+                  "confirmed_clean",
+                  "unconfirmed",
+                  "not_attempted",
+                  "unsupported",
+                  "aborted"
+                ],
+                "type": "string"
+              },
+              "termination": {
+                "additionalProperties": false,
+                "properties": {
+                  "intentional": {
+                    "type": "boolean"
+                  },
+                  "kind": {
+                    "enum": [
+                      "evidence_satisfied",
+                      "window_elapsed",
+                      "unavailable"
+                    ],
+                    "type": "string"
+                  },
+                  "trigger": {
+                    "enum": [
+                      "non_essential_request_observed",
+                      "non_essential_storage_write_observed",
+                      "acceptance_signal_contradiction_observed",
+                      "window_elapsed",
+                      "accept_control_not_observed",
+                      "accept_path_timeout",
+                      "accept_observation_window_truncated",
+                      "worker_failed",
+                      "unavailable"
+                    ],
+                    "type": "string"
+                  }
+                },
+                "required": [
+                  "kind",
+                  "intentional",
+                  "trigger"
+                ],
+                "type": "object"
+              },
+              "verdict": {
+                "enum": [
+                  "eligible_nonessential_activity_observed_after_confirmed_acceptance",
+                  "retained_consent_signal_contradiction_observed_after_confirmed_acceptance",
+                  "no_eligible_nonessential_activity_observed_during_completed_window",
+                  "no_confirmed_post_accept_verdict"
+                ],
+                "type": "string"
+              }
+            },
+            "required": [
+              "status",
+              "acceptanceExercised",
+              "observationCount",
+              "productionProjectable",
+              "evidenceDisposition",
+              "indeterminateReason",
+              "verdict",
+              "interpretation",
+              "observationStrategy",
+              "termination",
+              "completedAt",
+              "coverageLimitations",
+              "limitations"
+            ],
+            "type": "object"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "type": "null"
+  }
+]

changedOutput schema / properties / postRefusalObservation / anyOf

Previous value: -[
-  {
-    "anyOf": [
-      {
-        "not": {}
-      },
-      {
-        "anyOf": [
-          {
-            "additionalProperties": false,
-            "properties": {
-              "afterAction": {
-                "$ref": "#/properties/postAcceptObservation/anyOf/0/anyOf/1/anyOf/0/properties/afterAction"
-              },
-              "completedAt": {
-                "type": [
-                  "string",
-                  "null"
-                ]
-              },
-              "coverageLimitations": {
-                "items": {
-                  "type": "string"
-                },
-                "maxItems": 24,
-                "type": "array"
-              },
-              "evidenceDisposition": {
-                "enum": [
-                  "confirmed",
-                  "indeterminate"
-                ],
-                "type": "string"
-              },
-              "indeterminateReason": {
-                "anyOf": [
-                  {
-                    "maxLength": 160,
-                    "minLength": 1,
-                    "type": "string"
-                  },
-                  {
-                    "type": "null"
-                  }
-                ]
-              },
-              "interpretation": {
-                "maxLength": 500,
-                "minLength": 1,
-                "type": "string"
-              },
-              "limitations": {
-                "items": {
-                  "type": "string"
-                },
-                "maxItems": 24,
-                "type": "array"
-              },
-              "observationCount": {
-                "minimum": 0,
-                "type": "integer"
-              },
-              "observationStrategy": {
-                "enum": [
-                  "stop_on_first_eligible_activity",
-                  "not_applicable"
-                ],
-                "type": "string"
-              },
-              "productionProjectable": {
-                "type": "boolean"
-              },
-              "refusalExercised": {
-                "type": "boolean"
-              },
-              "status": {
-                "enum": [
-                  "confirmed_observation",
-                  "confirmed_clean",
-                  "unconfirmed",
-                  "not_attempted",
-                  "unsupported",
-                  "aborted"
-                ],
-                "type": "string"
-              },
-              "termination": {
-                "additionalProperties": false,
-                "properties": {
-                  "intentional": {
-                    "type": "boolean"
-                  },
-                  "kind": {
-                    "enum": [
-                      "evidence_satisfied",
-                      "window_elapsed",
-                      "unavailable"
-                    ],
-                    "type": "string"
-                  },
-                  "trigger": {
-                    "enum": [
-                      "non_essential_request_observed",
-                      "non_essential_storage_write_observed",
-                      "refusal_signal_contradiction_observed",
-                      "window_elapsed",
-                      "reject_path_timeout",
-                      "worker_failed",
-                      "unavailable"
-                    ],
-                    "type": "string"
-                  }
-                },
-                "required": [
-                  "kind",
-                  "intentional",
-                  "trigger"
-                ],
-                "type": "object"
-              },
-              "verdict": {
-                "enum": [
-                  "eligible_nonessential_activity_observed_after_confirmed_refusal",
-                  "retained_consent_signal_contradiction_observed_after_confirmed_refusal",
-                  "no_eligible_nonessential_activity_observed_during_completed_window",
-                  "no_confirmed_post_refusal_verdict"
-                ],
-                "type": "string"
-              }
-            },
-            "required": [
-              "status",
-              "refusalExercised",
-              "observationCount",
-              "productionProjectable",
-              "evidenceDisposition",
-              "indeterminateReason",
-              "verdict",
-              "interpretation",
-              "observationStrategy",
-              "termination",
-              "completedAt",
-              "coverageLimitations",
-              "limitations"
-            ],
-            "type": "object"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      }
-    ]
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "anyOf": [
+      {
+        "not": {}
+      },
+      {
+        "anyOf": [
+          {
+            "additionalProperties": false,
+            "properties": {
+              "afterAction": {
+                "$ref": "#/properties/postAcceptObservation/anyOf/0/anyOf/1/anyOf/0/properties/afterAction"
+              },
+              "completedAt": {
+                "type": [
+                  "string",
+                  "null"
+                ]
+              },
+              "coverageLimitations": {
+                "items": {
+                  "type": "string"
+                },
+                "maxItems": 24,
+                "type": "array"
+              },
+              "evidenceDisposition": {
+                "enum": [
+                  "confirmed",
+                  "indeterminate"
+                ],
+                "type": "string"
+              },
+              "execution": {
+                "$ref": "#/properties/postAcceptObservation/anyOf/0/anyOf/1/anyOf/0/properties/execution"
+              },
+              "indeterminateReason": {
+                "anyOf": [
+                  {
+                    "maxLength": 160,
+                    "minLength": 1,
+                    "type": "string"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ]
+              },
+              "interpretation": {
+                "maxLength": 500,
+                "minLength": 1,
+                "type": "string"
+              },
+              "limitations": {
+                "items": {
+                  "type": "string"
+                },
+                "maxItems": 24,
+                "type": "array"
+              },
+              "observationCount": {
+                "minimum": 0,
+                "type": "integer"
+              },
+              "observationStrategy": {
+                "enum": [
+                  "stop_on_first_eligible_activity",
+                  "not_applicable"
+                ],
+                "type": "string"
+              },
+              "productionProjectable": {
+                "type": "boolean"
+              },
+              "refusalExercised": {
+                "type": "boolean"
+              },
+              "status": {
+                "enum": [
+                  "confirmed_observation",
+                  "confirmed_clean",
+                  "unconfirmed",
+                  "not_attempted",
+                  "unsupported",
+                  "aborted"
+                ],
+                "type": "string"
+              },
+              "termination": {
+                "additionalProperties": false,
+                "properties": {
+                  "intentional": {
+                    "type": "boolean"
+                  },
+                  "kind": {
+                    "enum": [
+                      "evidence_satisfied",
+                      "window_elapsed",
+                      "unavailable"
+                    ],
+                    "type": "string"
+                  },
+                  "trigger": {
+                    "enum": [
+                      "non_essential_request_observed",
+                      "non_essential_storage_write_observed",
+                      "refusal_signal_contradiction_observed",
+                      "window_elapsed",
+                      "reject_path_timeout",
+                      "worker_failed",
+                      "unavailable"
+                    ],
+                    "type": "string"
+                  }
+                },
+                "required": [
+                  "kind",
+                  "intentional",
+                  "trigger"
+                ],
+                "type": "object"
+              },
+              "verdict": {
+                "enum": [
+                  "eligible_nonessential_activity_observed_after_confirmed_refusal",
+                  "retained_consent_signal_contradiction_observed_after_confirmed_refusal",
+                  "no_eligible_nonessential_activity_observed_during_completed_window",
+                  "no_confirmed_post_refusal_verdict"
+                ],
+                "type": "string"
+              }
+            },
+            "required": [
+              "status",
+              "refusalExercised",
+              "observationCount",
+              "productionProjectable",
+              "evidenceDisposition",
+              "indeterminateReason",
+              "verdict",
+              "interpretation",
+              "observationStrategy",
+              "termination",
+              "completedAt",
+              "coverageLimitations",
+              "limitations"
+            ],
+            "type": "object"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "type": "null"
+  }
+]

Changed2 schema fields changedSep 11, 2026

changedOutput schema / properties / postAcceptObservation / anyOf

Previous value: -[
-  {
-    "anyOf": [
-      {
-        "not": {}
-      },
-      {
-        "anyOf": [
-          {
-            "additionalProperties": false,
-            "properties": {
-              "acceptanceExercised": {
-                "type": "boolean"
-              },
-              "completedAt": {
-                "type": [
-                  "string",
-                  "null"
-                ]
-              },
-              "coverageLimitations": {
-                "items": {
-                  "type": "string"
-                },
-                "maxItems": 24,
-                "type": "array"
-              },
-              "evidenceDisposition": {
-                "enum": [
-                  "confirmed",
-                  "indeterminate"
-                ],
-                "type": "string"
-              },
-              "indeterminateReason": {
-                "anyOf": [
-                  {
-                    "maxLength": 160,
-                    "minLength": 1,
-                    "type": "string"
-                  },
-                  {
-                    "type": "null"
-                  }
-                ]
-              },
-              "interpretation": {
-                "maxLength": 500,
-                "minLength": 1,
-                "type": "string"
-              },
-              "limitations": {
-                "items": {
-                  "type": "string"
-                },
-                "maxItems": 24,
-                "type": "array"
-              },
-              "observationCount": {
-                "minimum": 0,
-                "type": "integer"
-              },
-              "observationStrategy": {
-                "enum": [
-                  "stop_on_first_eligible_activity",
-                  "not_applicable"
-                ],
-                "type": "string"
-              },
-              "productionProjectable": {
-                "type": "boolean"
-              },
-              "status": {
-                "enum": [
-                  "confirmed_observation",
-                  "confirmed_clean",
-                  "unconfirmed",
-                  "not_attempted",
-                  "unsupported",
-                  "aborted"
-                ],
-                "type": "string"
-              },
-              "termination": {
-                "additionalProperties": false,
-                "properties": {
-                  "intentional": {
-                    "type": "boolean"
-                  },
-                  "kind": {
-                    "enum": [
-                      "evidence_satisfied",
-                      "window_elapsed",
-                      "unavailable"
-                    ],
-                    "type": "string"
-                  },
-                  "trigger": {
-                    "enum": [
-                      "non_essential_request_observed",
-                      "non_essential_storage_write_observed",
-                      "acceptance_signal_contradiction_observed",
-                      "window_elapsed",
-                      "accept_control_not_observed",
-                      "accept_path_timeout",
-                      "accept_observation_window_truncated",
-                      "worker_failed",
-                      "unavailable"
-                    ],
-                    "type": "string"
-                  }
-                },
-                "required": [
-                  "kind",
-                  "intentional",
-                  "trigger"
-                ],
-                "type": "object"
-              },
-              "verdict": {
-                "enum": [
-                  "eligible_nonessential_activity_observed_after_confirmed_acceptance",
-                  "retained_consent_signal_contradiction_observed_after_confirmed_acceptance",
-                  "no_eligible_nonessential_activity_observed_during_completed_window",
-                  "no_confirmed_post_accept_verdict"
-                ],
-                "type": "string"
-              }
-            },
-            "required": [
-              "status",
-              "acceptanceExercised",
-              "observationCount",
-              "productionProjectable",
-              "evidenceDisposition",
-              "indeterminateReason",
-              "verdict",
-              "interpretation",
-              "observationStrategy",
-              "termination",
-              "completedAt",
-              "coverageLimitations",
-              "limitations"
-            ],
-            "type": "object"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      }
-    ]
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "anyOf": [
+      {
+        "not": {}
+      },
+      {
+        "anyOf": [
+          {
+            "additionalProperties": false,
+            "properties": {
+              "acceptanceExercised": {
+                "type": "boolean"
+              },
+              "afterAction": {
+                "additionalProperties": false,
+                "properties": {
+                  "action": {
+                    "enum": [
+                      "accept",
+                      "reject"
+                    ],
+                    "type": "string"
+                  },
+                  "activationStatus": {
+                    "enum": [
+                      "completed",
+                      "uncertain"
+                    ],
+                    "type": "string"
+                  },
+                  "policyVersion": {
+                    "enum": [
+                      "bounded_after_action_capture.v1",
+                      "bounded_after_action_capture.v2"
+                    ],
+                    "type": "string"
+                  },
+                  "requestCount": {
+                    "minimum": 0,
+                    "type": "integer"
+                  },
+                  "requestsDropped": {
+                    "minimum": 0,
+                    "type": "integer"
+                  },
+                  "stopReason": {
+                    "enum": [
+                      "window_elapsed",
+                      "aborted",
+                      "target_changed",
+                      "click_uncertain"
+                    ],
+                    "type": "string"
+                  },
+                  "storageSnapshotRetained": {
+                    "type": "boolean"
+                  },
+                  "storageWriteCount": {
+                    "minimum": 0,
+                    "type": "integer"
+                  }
+                },
+                "required": [
+                  "policyVersion",
+                  "action",
+                  "activationStatus",
+                  "stopReason",
+                  "requestsDropped",
+                  "requestCount",
+                  "storageWriteCount",
+                  "storageSnapshotRetained"
+                ],
+                "type": "object"
+              },
+              "completedAt": {
+                "type": [
+                  "string",
+                  "null"
+                ]
+              },
+              "coverageLimitations": {
+                "items": {
+                  "type": "string"
+                },
+                "maxItems": 24,
+                "type": "array"
+              },
+              "evidenceDisposition": {
+                "enum": [
+                  "confirmed",
+                  "indeterminate"
+                ],
+                "type": "string"
+              },
+              "indeterminateReason": {
+                "anyOf": [
+                  {
+                    "maxLength": 160,
+                    "minLength": 1,
+                    "type": "string"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ]
+              },
+              "interpretation": {
+                "maxLength": 500,
+                "minLength": 1,
+                "type": "string"
+              },
+              "limitations": {
+                "items": {
+                  "type": "string"
+                },
+                "maxItems": 24,
+                "type": "array"
+              },
+              "observationCount": {
+                "minimum": 0,
+                "type": "integer"
+              },
+              "observationStrategy": {
+                "enum": [
+                  "stop_on_first_eligible_activity",
+                  "not_applicable"
+                ],
+                "type": "string"
+              },
+              "productionProjectable": {
+                "type": "boolean"
+              },
+              "status": {
+                "enum": [
+                  "confirmed_observation",
+                  "confirmed_clean",
+                  "unconfirmed",
+                  "not_attempted",
+                  "unsupported",
+                  "aborted"
+                ],
+                "type": "string"
+              },
+              "termination": {
+                "additionalProperties": false,
+                "properties": {
+                  "intentional": {
+                    "type": "boolean"
+                  },
+                  "kind": {
+                    "enum": [
+                      "evidence_satisfied",
+                      "window_elapsed",
+                      "unavailable"
+                    ],
+                    "type": "string"
+                  },
+                  "trigger": {
+                    "enum": [
+                      "non_essential_request_observed",
+                      "non_essential_storage_write_observed",
+                      "acceptance_signal_contradiction_observed",
+                      "window_elapsed",
+                      "accept_control_not_observed",
+                      "accept_path_timeout",
+                      "accept_observation_window_truncated",
+                      "worker_failed",
+                      "unavailable"
+                    ],
+                    "type": "string"
+                  }
+                },
+                "required": [
+                  "kind",
+                  "intentional",
+                  "trigger"
+                ],
+                "type": "object"
+              },
+              "verdict": {
+                "enum": [
+                  "eligible_nonessential_activity_observed_after_confirmed_acceptance",
+                  "retained_consent_signal_contradiction_observed_after_confirmed_acceptance",
+                  "no_eligible_nonessential_activity_observed_during_completed_window",
+                  "no_confirmed_post_accept_verdict"
+                ],
+                "type": "string"
+              }
+            },
+            "required": [
+              "status",
+              "acceptanceExercised",
+              "observationCount",
+              "productionProjectable",
+              "evidenceDisposition",
+              "indeterminateReason",
+              "verdict",
+              "interpretation",
+              "observationStrategy",
+              "termination",
+              "completedAt",
+              "coverageLimitations",
+              "limitations"
+            ],
+            "type": "object"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "type": "null"
+  }
+]

changedOutput schema / properties / postRefusalObservation / anyOf

Previous value: -[
-  {
-    "anyOf": [
-      {
-        "not": {}
-      },
-      {
-        "anyOf": [
-          {
-            "additionalProperties": false,
-            "properties": {
-              "completedAt": {
-                "type": [
-                  "string",
-                  "null"
-                ]
-              },
-              "coverageLimitations": {
-                "items": {
-                  "type": "string"
-                },
-                "maxItems": 24,
-                "type": "array"
-              },
-              "evidenceDisposition": {
-                "enum": [
-                  "confirmed",
-                  "indeterminate"
-                ],
-                "type": "string"
-              },
-              "indeterminateReason": {
-                "anyOf": [
-                  {
-                    "maxLength": 160,
-                    "minLength": 1,
-                    "type": "string"
-                  },
-                  {
-                    "type": "null"
-                  }
-                ]
-              },
-              "interpretation": {
-                "maxLength": 500,
-                "minLength": 1,
-                "type": "string"
-              },
-              "limitations": {
-                "items": {
-                  "type": "string"
-                },
-                "maxItems": 24,
-                "type": "array"
-              },
-              "observationCount": {
-                "minimum": 0,
-                "type": "integer"
-              },
-              "observationStrategy": {
-                "enum": [
-                  "stop_on_first_eligible_activity",
-                  "not_applicable"
-                ],
-                "type": "string"
-              },
-              "productionProjectable": {
-                "type": "boolean"
-              },
-              "refusalExercised": {
-                "type": "boolean"
-              },
-              "status": {
-                "enum": [
-                  "confirmed_observation",
-                  "confirmed_clean",
-                  "unconfirmed",
-                  "not_attempted",
-                  "unsupported",
-                  "aborted"
-                ],
-                "type": "string"
-              },
-              "termination": {
-                "additionalProperties": false,
-                "properties": {
-                  "intentional": {
-                    "type": "boolean"
-                  },
-                  "kind": {
-                    "enum": [
-                      "evidence_satisfied",
-                      "window_elapsed",
-                      "unavailable"
-                    ],
-                    "type": "string"
-                  },
-                  "trigger": {
-                    "enum": [
-                      "non_essential_request_observed",
-                      "non_essential_storage_write_observed",
-                      "refusal_signal_contradiction_observed",
-                      "window_elapsed",
-                      "reject_path_timeout",
-                      "worker_failed",
-                      "unavailable"
-                    ],
-                    "type": "string"
-                  }
-                },
-                "required": [
-                  "kind",
-                  "intentional",
-                  "trigger"
-                ],
-                "type": "object"
-              },
-              "verdict": {
-                "enum": [
-                  "eligible_nonessential_activity_observed_after_confirmed_refusal",
-                  "retained_consent_signal_contradiction_observed_after_confirmed_refusal",
-                  "no_eligible_nonessential_activity_observed_during_completed_window",
-                  "no_confirmed_post_refusal_verdict"
-                ],
-                "type": "string"
-              }
-            },
-            "required": [
-              "status",
-              "refusalExercised",
-              "observationCount",
-              "productionProjectable",
-              "evidenceDisposition",
-              "indeterminateReason",
-              "verdict",
-              "interpretation",
-              "observationStrategy",
-              "termination",
-              "completedAt",
-              "coverageLimitations",
-              "limitations"
-            ],
-            "type": "object"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      }
-    ]
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "anyOf": [
+      {
+        "not": {}
+      },
+      {
+        "anyOf": [
+          {
+            "additionalProperties": false,
+            "properties": {
+              "afterAction": {
+                "$ref": "#/properties/postAcceptObservation/anyOf/0/anyOf/1/anyOf/0/properties/afterAction"
+              },
+              "completedAt": {
+                "type": [
+                  "string",
+                  "null"
+                ]
+              },
+              "coverageLimitations": {
+                "items": {
+                  "type": "string"
+                },
+                "maxItems": 24,
+                "type": "array"
+              },
+              "evidenceDisposition": {
+                "enum": [
+                  "confirmed",
+                  "indeterminate"
+                ],
+                "type": "string"
+              },
+              "indeterminateReason": {
+                "anyOf": [
+                  {
+                    "maxLength": 160,
+                    "minLength": 1,
+                    "type": "string"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ]
+              },
+              "interpretation": {
+                "maxLength": 500,
+                "minLength": 1,
+                "type": "string"
+              },
+              "limitations": {
+                "items": {
+                  "type": "string"
+                },
+                "maxItems": 24,
+                "type": "array"
+              },
+              "observationCount": {
+                "minimum": 0,
+                "type": "integer"
+              },
+              "observationStrategy": {
+                "enum": [
+                  "stop_on_first_eligible_activity",
+                  "not_applicable"
+                ],
+                "type": "string"
+              },
+              "productionProjectable": {
+                "type": "boolean"
+              },
+              "refusalExercised": {
+                "type": "boolean"
+              },
+              "status": {
+                "enum": [
+                  "confirmed_observation",
+                  "confirmed_clean",
+                  "unconfirmed",
+                  "not_attempted",
+                  "unsupported",
+                  "aborted"
+                ],
+                "type": "string"
+              },
+              "termination": {
+                "additionalProperties": false,
+                "properties": {
+                  "intentional": {
+                    "type": "boolean"
+                  },
+                  "kind": {
+                    "enum": [
+                      "evidence_satisfied",
+                      "window_elapsed",
+                      "unavailable"
+                    ],
+                    "type": "string"
+                  },
+                  "trigger": {
+                    "enum": [
+                      "non_essential_request_observed",
+                      "non_essential_storage_write_observed",
+                      "refusal_signal_contradiction_observed",
+                      "window_elapsed",
+                      "reject_path_timeout",
+                      "worker_failed",
+                      "unavailable"
+                    ],
+                    "type": "string"
+                  }
+                },
+                "required": [
+                  "kind",
+                  "intentional",
+                  "trigger"
+                ],
+                "type": "object"
+              },
+              "verdict": {
+                "enum": [
+                  "eligible_nonessential_activity_observed_after_confirmed_refusal",
+                  "retained_consent_signal_contradiction_observed_after_confirmed_refusal",
+                  "no_eligible_nonessential_activity_observed_during_completed_window",
+                  "no_confirmed_post_refusal_verdict"
+                ],
+                "type": "string"
+              }
+            },
+            "required": [
+              "status",
+              "refusalExercised",
+              "observationCount",
+              "productionProjectable",
+              "evidenceDisposition",
+              "indeterminateReason",
+              "verdict",
+              "interpretation",
+              "observationStrategy",
+              "termination",
+              "completedAt",
+              "coverageLimitations",
+              "limitations"
+            ],
+            "type": "object"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "type": "null"
+  }
+]

Changed1 schema field changedSep 11, 2026

changedOutput schema / properties / gpcResponse / anyOf

Previous value: -[
-  {
-    "anyOf": [
-      {
-        "not": {}
-      },
-      {
-        "anyOf": [
-          {
-            "additionalProperties": false,
-            "properties": {
-              "californiaPolicy": {
-                "additionalProperties": false,
-                "properties": {
-                  "applied": {
-                    "type": "boolean"
-                  },
-                  "deductionPoints": {
-                    "enum": [
-                      0,
-                      15
-                    ],
-                    "type": "number"
-                  }
-                },
-                "required": [
-                  "applied",
-                  "deductionPoints"
-                ],
-                "type": "object"
-              },
-              "comparison": {
-                "additionalProperties": false,
-                "properties": {
-                  "baselineArtifact": {
-                    "anyOf": [
-                      {
-                        "additionalProperties": false,
-                        "properties": {
-                          "lane": {
-                            "const": "runtime_evidence",
-                            "type": "string"
-                          },
-                          "sha256": {
-                            "pattern": "^[a-f0-9]{64}$",
-                            "type": "string"
-                          },
-                          "sizeBytes": {
-                            "minimum": 0,
-                            "type": "integer"
-                          }
-                        },
-                        "required": [
-                          "lane",
-                          "sha256",
-                          "sizeBytes"
-                        ],
-                        "type": "object"
-                      },
-                      {
-                        "type": "null"
-                      }
-                    ]
-                  },
-                  "comparable": {
-                    "type": "boolean"
-                  },
-                  "coverage": {
-                    "additionalProperties": false,
-                    "properties": {
-                      "comparedThroughMs": {
-                        "anyOf": [
-                          {
-                            "minimum": 0,
-                            "type": "integer"
-                          },
-                          {
-                            "type": "null"
-                          }
-                        ]
-                      },
-                      "status": {
-                        "enum": [
-                          "complete",
-                          "limited",
-                          "unavailable"
-                        ],
-                        "type": "string"
-                      }
-                    },
-                    "required": [
-                      "status",
-                      "comparedThroughMs"
-                    ],
-                    "type": "object"
-                  },
-                  "delivery": {
-                    "additionalProperties": false,
-                    "properties": {
-                      "status": {
-                        "enum": [
-                          "verified",
-                          "limited",
-                          "unavailable"
-                        ],
-                        "type": "string"
-                      }
-                    },
-                    "required": [
-                      "status"
-                    ],
-                    "type": "object"
-                  },
-                  "deltas": {
-                    "additionalProperties": false,
-                    "properties": {
-                      "advertisingOrMarketingActivity": {
-                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/comparison/properties/deltas/properties/cookies"
-                      },
-                      "advertisingOrMeasurementActivity": {
-                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/comparison/properties/deltas/properties/cookies"
-                      },
-                      "consentOrCmpBehavior": {
-                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/comparison/properties/deltas/properties/cookies"
-                      },
-                      "cookies": {
-                        "additionalProperties": false,
-                        "properties": {
-                          "baselineCount": {
-                            "minimum": 0,
-                            "type": "integer"
-                          },
-                          "baselineOnly": {
-                            "items": {
-                              "maxLength": 500,
-                              "minLength": 1,
-                              "type": "string"
-                            },
-                            "maxItems": 100,
-                            "type": "array"
-                          },
-                          "baselineOnlyCount": {
-                            "minimum": 0,
-                            "type": "integer"
-                          },
-                          "countDelta": {
-                            "type": "integer"
-                          },
-                          "gpcCount": {
-                            "minimum": 0,
-                            "type": "integer"
-                          },
-                          "gpcOnly": {
-                            "items": {
-                              "maxLength": 500,
-                              "minLength": 1,
-                              "type": "string"
-                            },
-                            "maxItems": 100,
-                            "type": "array"
-                          },
-                          "gpcOnlyCount": {
-                            "minimum": 0,
-                            "type": "integer"
-                          },
-                          "samplesTruncated": {
-                            "type": "boolean"
-                          },
-                          "shared": {
-                            "items": {
-                              "maxLength": 500,
-                              "minLength": 1,
-                              "type": "string"
-                            },
-                            "maxItems": 100,
-                            "type": "array"
-                          },
-                          "sharedCount": {
-                            "minimum": 0,
-                            "type": "integer"
-                          }
-                        },
-                        "required": [
-                          "baselineCount",
-                          "gpcCount",
-                          "countDelta",
-                          "baselineOnly",
-                          "gpcOnly",
-                          "shared"
-                        ],
-                        "type": "object"
-                      },
-                      "trackers": {
-                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/comparison/properties/deltas/properties/cookies"
-                      },
-                      "webStorage": {
-                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/comparison/properties/deltas/properties/cookies"
-                      }
-                    },
-                    "required": [
-                      "cookies",
-                      "trackers",
-                      "advertisingOrMeasurementActivity",
-                      "consentOrCmpBehavior"
-                    ],
-                    "type": "object"
-                  },
-                  "enabledProof": {
-                    "additionalProperties": false,
-                    "properties": {
-                      "navigatorGlobalPrivacyControl": {
-                        "type": [
-                          "boolean",
-                          "null"
-                        ]
-                      },
-                      "requestEventIds": {
-                        "items": {
-                          "maxLength": 160,
-                          "minLength": 1,
-                          "type": "string"
-                        },
-                        "maxItems": 100,
-                        "type": "array"
-                      },
-                      "requestsWithSecGpc": {
-                        "minimum": 0,
-                        "type": "integer"
-                      },
-                      "secGpcHeaderValue": {
-                        "anyOf": [
-                          {
-                            "const": "1",
-                            "type": "string"
-                          },
-                          {
-                            "type": "null"
-                          }
-                        ]
-                      }
-                    },
-                    "required": [
-                      "secGpcHeaderValue",
-                      "requestsWithSecGpc",
-                      "requestEventIds",
-                      "navigatorGlobalPrivacyControl"
-                    ],
-                    "type": "object"
-                  },
-                  "gpcArtifact": {
-                    "anyOf": [
-                      {
-                        "additionalProperties": false,
-                        "properties": {
-                          "lane": {
-                            "const": "gpc_observation",
-                            "type": "string"
-                          },
-                          "sha256": {
-                            "pattern": "^[a-f0-9]{64}$",
-                            "type": "string"
-                          },
-                          "sizeBytes": {
-                            "minimum": 0,
-                            "type": "integer"
-                          }
-                        },
-                        "required": [
-                          "lane",
-                          "sha256",
-                          "sizeBytes"
-                        ],
-                        "type": "object"
-                      },
-                      {
-                        "type": "null"
-                      }
-                    ]
-                  },
-                  "limitationKeys": {
-                    "items": {
-                      "maxLength": 160,
-                      "minLength": 1,
-                      "type": "string"
-                    },
-                    "maxItems": 24,
-                    "type": "array"
-                  },
-                  "protocol": {
-                    "const": "passive_baseline_with_sec_gpc",
-                    "type": "string"
-                  },
-                  "responseBasis": {
-                    "enum": [
-                      "qualified_activity_reduction",
-                      "no_qualified_reduction",
-                      "insufficient_evidence"
-                    ],
-                    "type": "string"
-                  }
-                },
-                "required": [
-                  "comparable",
-                  "protocol",
-                  "baselineArtifact",
-                  "gpcArtifact",
-                  "enabledProof",
-                  "deltas",
-                  "limitationKeys"
-                ],
-                "type": "object"
-              },
-              "contractVersion": {
-                "enum": [
-                  "certscore.gpc-response-assessment.v1",
-                  "certscore.gpc-response-assessment.v2"
-                ],
-                "type": "string"
-              },
-              "evidenceUrl": {
-                "format": "uri",
-                "type": "string"
-              },
-              "findingTitle": {
-                "enum": [
-                  "GPC response",
-                  "No observable GPC response"
-                ],
-                "type": "string"
-              },
-              "legalInterpretation": {
-                "const": "not_assessed",
-                "type": "string"
-              },
-              "scoreEffect": {
-                "const": "none",
-                "type": "string"
-              },
-              "status": {
-                "enum": [
-                  "responsive",
-                  "no_observable_response",
-                  "indeterminate"
-                ],
-                "type": "string"
-              },
-              "summary": {
-                "maxLength": 2000,
-                "minLength": 1,
-                "type": "string"
-              }
-            },
-            "required": [
-              "status",
-              "findingTitle",
-              "summary",
-              "scoreEffect",
-              "legalInterpretation",
-              "comparison",
-              "californiaPolicy",
-              "evidenceUrl"
-            ],
-            "type": "object"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      }
-    ]
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "anyOf": [
+      {
+        "not": {}
+      },
+      {
+        "anyOf": [
+          {
+            "additionalProperties": false,
+            "properties": {
+              "californiaPolicy": {
+                "additionalProperties": false,
+                "properties": {
+                  "applied": {
+                    "type": "boolean"
+                  },
+                  "deductionPoints": {
+                    "enum": [
+                      0,
+                      15
+                    ],
+                    "type": "number"
+                  }
+                },
+                "required": [
+                  "applied",
+                  "deductionPoints"
+                ],
+                "type": "object"
+              },
+              "comparison": {
+                "additionalProperties": false,
+                "properties": {
+                  "baselineArtifact": {
+                    "anyOf": [
+                      {
+                        "additionalProperties": false,
+                        "properties": {
+                          "lane": {
+                            "const": "runtime_evidence",
+                            "type": "string"
+                          },
+                          "sha256": {
+                            "pattern": "^[a-f0-9]{64}$",
+                            "type": "string"
+                          },
+                          "sizeBytes": {
+                            "minimum": 0,
+                            "type": "integer"
+                          }
+                        },
+                        "required": [
+                          "lane",
+                          "sha256",
+                          "sizeBytes"
+                        ],
+                        "type": "object"
+                      },
+                      {
+                        "type": "null"
+                      }
+                    ]
+                  },
+                  "comparable": {
+                    "type": "boolean"
+                  },
+                  "coverage": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "comparedThroughMs": {
+                        "anyOf": [
+                          {
+                            "minimum": 0,
+                            "type": "integer"
+                          },
+                          {
+                            "type": "null"
+                          }
+                        ]
+                      },
+                      "status": {
+                        "enum": [
+                          "complete",
+                          "limited",
+                          "unavailable"
+                        ],
+                        "type": "string"
+                      }
+                    },
+                    "required": [
+                      "status",
+                      "comparedThroughMs"
+                    ],
+                    "type": "object"
+                  },
+                  "delivery": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "status": {
+                        "enum": [
+                          "verified",
+                          "limited",
+                          "unavailable"
+                        ],
+                        "type": "string"
+                      }
+                    },
+                    "required": [
+                      "status"
+                    ],
+                    "type": "object"
+                  },
+                  "deltas": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "advertisingOrMarketingActivity": {
+                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/comparison/properties/deltas/properties/cookies"
+                      },
+                      "advertisingOrMeasurementActivity": {
+                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/comparison/properties/deltas/properties/cookies"
+                      },
+                      "consentOrCmpBehavior": {
+                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/comparison/properties/deltas/properties/cookies"
+                      },
+                      "cookies": {
+                        "additionalProperties": false,
+                        "properties": {
+                          "baselineCount": {
+                            "minimum": 0,
+                            "type": "integer"
+                          },
+                          "baselineOnly": {
+                            "items": {
+                              "maxLength": 500,
+                              "minLength": 1,
+                              "type": "string"
+                            },
+                            "maxItems": 100,
+                            "type": "array"
+                          },
+                          "baselineOnlyCount": {
+                            "minimum": 0,
+                            "type": "integer"
+                          },
+                          "countDelta": {
+                            "type": "integer"
+                          },
+                          "gpcCount": {
+                            "minimum": 0,
+                            "type": "integer"
+                          },
+                          "gpcOnly": {
+                            "items": {
+                              "maxLength": 500,
+                              "minLength": 1,
+                              "type": "string"
+                            },
+                            "maxItems": 100,
+                            "type": "array"
+                          },
+                          "gpcOnlyCount": {
+                            "minimum": 0,
+                            "type": "integer"
+                          },
+                          "samplesTruncated": {
+                            "type": "boolean"
+                          },
+                          "shared": {
+                            "items": {
+                              "maxLength": 500,
+                              "minLength": 1,
+                              "type": "string"
+                            },
+                            "maxItems": 100,
+                            "type": "array"
+                          },
+                          "sharedCount": {
+                            "minimum": 0,
+                            "type": "integer"
+                          }
+                        },
+                        "required": [
+                          "baselineCount",
+                          "gpcCount",
+                          "countDelta",
+                          "baselineOnly",
+                          "gpcOnly",
+                          "shared"
+                        ],
+                        "type": "object"
+                      },
+                      "trackers": {
+                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/comparison/properties/deltas/properties/cookies"
+                      },
+                      "webStorage": {
+                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/comparison/properties/deltas/properties/cookies"
+                      }
+                    },
+                    "required": [
+                      "cookies",
+                      "trackers",
+                      "advertisingOrMeasurementActivity",
+                      "consentOrCmpBehavior"
+                    ],
+                    "type": "object"
+                  },
+                  "enabledProof": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "navigatorGlobalPrivacyControl": {
+                        "type": [
+                          "boolean",
+                          "null"
+                        ]
+                      },
+                      "requestEventIds": {
+                        "items": {
+                          "maxLength": 160,
+                          "minLength": 1,
+                          "type": "string"
+                        },
+                        "maxItems": 100,
+                        "type": "array"
+                      },
+                      "requestsWithSecGpc": {
+                        "minimum": 0,
+                        "type": "integer"
+                      },
+                      "secGpcHeaderValue": {
+                        "anyOf": [
+                          {
+                            "const": "1",
+                            "type": "string"
+                          },
+                          {
+                            "type": "null"
+                          }
+                        ]
+                      }
+                    },
+                    "required": [
+                      "secGpcHeaderValue",
+                      "requestsWithSecGpc",
+                      "requestEventIds",
+                      "navigatorGlobalPrivacyControl"
+                    ],
+                    "type": "object"
+                  },
+                  "gpcArtifact": {
+                    "anyOf": [
+                      {
+                        "additionalProperties": false,
+                        "properties": {
+                          "lane": {
+                            "const": "gpc_observation",
+                            "type": "string"
+                          },
+                          "sha256": {
+                            "pattern": "^[a-f0-9]{64}$",
+                            "type": "string"
+                          },
+                          "sizeBytes": {
+                            "minimum": 0,
+                            "type": "integer"
+                          }
+                        },
+                        "required": [
+                          "lane",
+                          "sha256",
+                          "sizeBytes"
+                        ],
+                        "type": "object"
+                      },
+                      {
+                        "type": "null"
+                      }
+                    ]
+                  },
+                  "limitationKeys": {
+                    "items": {
+                      "maxLength": 160,
+                      "minLength": 1,
+                      "type": "string"
+                    },
+                    "maxItems": 24,
+                    "type": "array"
+                  },
+                  "protocol": {
+                    "const": "passive_baseline_with_sec_gpc",
+                    "type": "string"
+                  },
+                  "responseBasis": {
+                    "enum": [
+                      "qualified_activity_reduction",
+                      "no_qualified_reduction",
+                      "insufficient_evidence"
+                    ],
+                    "type": "string"
+                  }
+                },
+                "required": [
+                  "comparable",
+                  "protocol",
+                  "baselineArtifact",
+                  "gpcArtifact",
+                  "enabledProof",
+                  "deltas",
+                  "limitationKeys"
+                ],
+                "type": "object"
+              },
+              "contractVersion": {
+                "enum": [
+                  "certscore.gpc-response-assessment.v1",
+                  "certscore.gpc-response-assessment.v2",
+                  "certscore.gpc-response-assessment.v3"
+                ],
+                "type": "string"
+              },
+              "evidenceUrl": {
+                "format": "uri",
+                "type": "string"
+              },
+              "findingTitle": {
+                "enum": [
+                  "GPC response",
+                  "No observable GPC response"
+                ],
+                "type": "string"
+              },
+              "legalInterpretation": {
+                "const": "not_assessed",
+                "type": "string"
+              },
+              "observation": {
+                "additionalProperties": false,
+                "properties": {
+                  "acknowledgment": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "captureComplete": {
+                        "type": "boolean"
+                      },
+                      "observed": {
+                        "type": "boolean"
+                      }
+                    },
+                    "required": [
+                      "observed",
+                      "captureComplete"
+                    ],
+                    "type": "object"
+                  },
+                  "contractVersion": {
+                    "const": "certscore.gpc-bounded-observation.v1",
+                    "type": "string"
+                  },
+                  "delivery": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "fullContextVerified": {
+                        "type": "boolean"
+                      },
+                      "httpHeaderRetained": {
+                        "type": "boolean"
+                      },
+                      "mainNavigatorReadbackRetained": {
+                        "type": "boolean"
+                      }
+                    },
+                    "required": [
+                      "httpHeaderRetained",
+                      "mainNavigatorReadbackRetained",
+                      "fullContextVerified"
+                    ],
+                    "type": "object"
+                  },
+                  "documentUrlSha256": {
+                    "anyOf": [
+                      {
+                        "pattern": "^[a-f0-9]{64}$",
+                        "type": "string"
+                      },
+                      {
+                        "type": "null"
+                      }
+                    ]
+                  },
+                  "legalInterpretation": {
+                    "const": "not_assessed",
+                    "type": "string"
+                  },
+                  "limitationKeys": {
+                    "items": {
+                      "maxLength": 160,
+                      "minLength": 1,
+                      "type": "string"
+                    },
+                    "maxItems": 32,
+                    "type": "array"
+                  },
+                  "registration": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "basis": {
+                        "const": "current_recorded_state",
+                        "type": "string"
+                      },
+                      "causedByGpc": {
+                        "const": "not_established",
+                        "type": "string"
+                      },
+                      "cmpGpcSignal": {
+                        "enum": [
+                          "received",
+                          "not_received",
+                          "unknown"
+                        ],
+                        "type": "string"
+                      },
+                      "sale": {
+                        "enum": [
+                          "opted_out",
+                          "not_opted_out",
+                          "unknown"
+                        ],
+                        "type": "string"
+                      },
+                      "sharing": {
+                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/observation/properties/registration/properties/sale"
+                      }
+                    },
+                    "required": [
+                      "basis",
+                      "sale",
+                      "sharing",
+                      "cmpGpcSignal",
+                      "causedByGpc"
+                    ],
+                    "type": "object"
+                  },
+                  "requests": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "blockedBeforeTransmissionCount": {
+                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/observation/properties/requests/properties/count"
+                      },
+                      "classifiedCount": {
+                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/observation/properties/requests/properties/count"
+                      },
+                      "collectionCount": {
+                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/observation/properties/requests/properties/count"
+                      },
+                      "complete": {
+                        "type": "boolean"
+                      },
+                      "count": {
+                        "minimum": 0,
+                        "type": "integer"
+                      },
+                      "documentCommittedAtMs": {
+                        "anyOf": [
+                          {
+                            "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/observation/properties/requests/properties/count"
+                          },
+                          {
+                            "type": "null"
+                          }
+                        ]
+                      },
+                      "evidenceIds": {
+                        "items": {
+                          "maxLength": 160,
+                          "minLength": 1,
+                          "type": "string"
+                        },
+                        "maxItems": 100,
+                        "type": "array"
+                      },
+                      "fromMs": {
+                        "anyOf": [
+                          {
+                            "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/observation/properties/requests/properties/count"
+                          },
+                          {
+                            "type": "null"
+                          }
+                        ]
+                      },
+                      "samplesTruncated": {
+                        "type": "boolean"
+                      },
+                      "throughMs": {
+                        "anyOf": [
+                          {
+                            "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/observation/properties/requests/properties/count"
+                          },
+                          {
+                            "type": "null"
+                          }
+                        ]
+                      }
+                    },
+                    "required": [
+                      "count",
+                      "blockedBeforeTransmissionCount",
+                      "complete",
+                      "fromMs",
+                      "documentCommittedAtMs",
+                      "throughMs",
+                      "classifiedCount",
+                      "collectionCount",
+                      "evidenceIds",
+                      "samplesTruncated"
+                    ],
+                    "type": "object"
+                  },
+                  "scope": {
+                    "const": "main_document_and_retained_http_requests",
+                    "type": "string"
+                  },
+                  "scoreEffect": {
+                    "const": "none",
+                    "type": "string"
+                  },
+                  "semanticProbe": {
+                    "enum": [
+                      "observed",
+                      "unsupported",
+                      "unavailable",
+                      "not_ready",
+                      "invalid",
+                      "incomplete"
+                    ],
+                    "type": "string"
+                  },
+                  "sessionSha256": {
+                    "anyOf": [
+                      {
+                        "pattern": "^[a-f0-9]{64}$",
+                        "type": "string"
+                      },
+                      {
+                        "type": "null"
+                      }
+                    ]
+                  },
+                  "sourceSha256": {
+                    "anyOf": [
+                      {
+                        "pattern": "^[a-f0-9]{64}$",
+                        "type": "string"
+                      },
+                      {
+                        "type": "null"
+                      }
+                    ]
+                  },
+                  "status": {
+                    "enum": [
+                      "complete",
+                      "limited",
+                      "unavailable"
+                    ],
+                    "type": "string"
+                  }
+                },
+                "required": [
+                  "contractVersion",
+                  "scope",
+                  "status",
+                  "sourceSha256",
+                  "sessionSha256",
+                  "documentUrlSha256",
+                  "delivery",
+                  "semanticProbe",
+                  "registration",
+                  "acknowledgment",
+                  "requests",
+                  "limitationKeys",
+                  "scoreEffect",
+                  "legalInterpretation"
+                ],
+                "type": "object"
+              },
+              "scoreEffect": {
+                "const": "none",
+                "type": "string"
+              },
+              "status": {
+                "enum": [
+                  "responsive",
+                  "no_observable_response",
+                  "indeterminate"
+                ],
+                "type": "string"
+              },
+              "summary": {
+                "maxLength": 2000,
+                "minLength": 1,
+                "type": "string"
+              }
+            },
+            "required": [
+              "status",
+              "findingTitle",
+              "summary",
+              "scoreEffect",
+              "legalInterpretation",
+              "comparison",
+              "californiaPolicy",
+              "evidenceUrl"
+            ],
+            "type": "object"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "type": "null"
+  }
+]

Changed1 schema field changedSep 11, 2026

changedOutput schema / properties / error / anyOf

Previous value: -[
-  {
-    "additionalProperties": false,
-    "properties": {
-      "code": {
-        "type": "string"
-      },
-      "field": {
-        "type": "string"
-      },
-      "mcpCode": {
-        "type": "integer"
-      },
-      "message": {
-        "type": "string"
-      },
-      "name": {
-        "type": "string"
-      },
-      "recommendedNextAction": {
-        "type": "string"
-      },
-      "responseBody": {},
-      "retryAfterSeconds": {
-        "anyOf": [
-          {
-            "type": "integer"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      },
-      "retryable": {
-        "type": "boolean"
-      },
-      "status": {
-        "type": "integer"
-      }
-    },
-    "required": [
-      "code",
-      "message",
-      "retryable",
-      "retryAfterSeconds",
-      "recommendedNextAction"
-    ],
-    "type": "object"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "additionalProperties": false,
+    "properties": {
+      "code": {
+        "type": "string"
+      },
+      "field": {
+        "type": "string"
+      },
+      "issues": {
+        "items": {
+          "additionalProperties": false,
+          "properties": {
+            "code": {
+              "maxLength": 80,
+              "type": "string"
+            },
+            "field": {
+              "maxLength": 80,
+              "type": "string"
+            },
+            "required": {
+              "type": "boolean"
+            }
+          },
+          "required": [
+            "field",
+            "code"
+          ],
+          "type": "object"
+        },
+        "maxItems": 8,
+        "type": "array"
+      },
+      "mcpCode": {
+        "type": "integer"
+      },
+      "message": {
+        "type": "string"
+      },
+      "name": {
+        "type": "string"
+      },
+      "recommendedNextAction": {
+        "type": "string"
+      },
+      "responseBody": {},
+      "retryAfterSeconds": {
+        "anyOf": [
+          {
+            "type": "integer"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "retryable": {
+        "type": "boolean"
+      },
+      "status": {
+        "type": "integer"
+      }
+    },
+    "required": [
+      "code",
+      "message",
+      "retryable",
+      "retryAfterSeconds",
+      "recommendedNextAction"
+    ],
+    "type": "object"
+  },
+  {
+    "type": "null"
+  }
+]

Changed1 schema field changedSep 8, 2026

changedOutput schema / properties / noGo / properties / reasonCode / enum

Previous value: -[
-  "blank_or_unusable_page",
-  "loading_or_stalled",
-  "not_found_404",
-  "parked_or_placeholder",
-  "site_not_ready",
-  "captcha_or_challenge",
-  "access_denied_or_forbidden_page",
-  "rate_limited_429",
-  "server_error_5xx",
-  "configuration_error",
-  "maintenance_or_unavailable",
-  "tls_or_certificate_error",
-  "unsupported_region",
-  "target_unreachable_or_unsuitable",
-  "navigation_transport_failure",
-  "visual_capture_failed_or_placeholder",
-  "retained_visual_error_shell",
-  "unknown"
-]New value: +[
+  "blank_or_unusable_page",
+  "loading_or_stalled",
+  "not_found_404",
+  "parked_or_placeholder",
+  "site_not_ready",
+  "captcha_or_challenge",
+  "access_denied_or_forbidden_page",
+  "authentication_required",
+  "rate_limited_429",
+  "server_error_5xx",
+  "configuration_error",
+  "maintenance_or_unavailable",
+  "tls_or_certificate_error",
+  "unsupported_region",
+  "target_unreachable_or_unsuitable",
+  "navigation_transport_failure",
+  "visual_capture_failed_or_placeholder",
+  "retained_visual_error_shell",
+  "unknown"
+]

Changed2 schema fields changedSep 7, 2026

addedOutput schema / properties / preConsentPreview / properties / resources

Added value: +{
+  "items": {
+    "additionalProperties": false,
+    "properties": {
+      "confidence": {
+        "anyOf": [
+          {
+            "maximum": 1,
+            "minimum": 0,
+            "type": "number"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "domains": {
+        "items": {
+          "maxLength": 253,
+          "minLength": 1,
+          "type": "string"
+        },
+        "maxItems": 8,
+        "type": "array"
+      },
+      "kind": {
+        "enum": [
+          "request",
+          "embed"
+        ],
+        "type": "string"
+      },
+      "observedAtMs": {
+        "minimum": 0,
+        "type": "integer"
+      },
+      "party": {
+        "enum": [
+          "first_party",
+          "third_party",
+          "mixed",
+          "unknown"
+        ],
+        "type": "string"
+      },
+      "product": {
+        "anyOf": [
+          {
+            "maxLength": 160,
+            "minLength": 1,
+            "type": "string"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "purpose": {
+        "maxLength": 80,
+        "minLength": 1,
+        "type": "string"
+      },
+      "requestCount": {
+        "minimum": 0,
+        "type": "integer"
+      },
+      "vendor": {
+        "anyOf": [
+          {
+            "maxLength": 160,
+            "minLength": 1,
+            "type": "string"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      }
+    },
+    "required": [
+      "kind",
+      "vendor",
+      "product",
+      "purpose",
+      "confidence",
+      "domains",
+      "party",
+      "observedAtMs",
+      "requestCount"
+    ],
+    "type": "object"
+  },
+  "maxItems": 20,
+  "type": "array"
+}

addedOutput schema / properties / preConsentPreview / properties / truncated / properties / resources
```
Added value: +{
+  "type": "boolean"
+}
```

Changed1 schema field changedSep 6, 2026

changedOutput schema / properties / gpcResponse / anyOf

Previous value: -[
-  {
-    "anyOf": [
-      {
-        "not": {}
-      },
-      {
-        "anyOf": [
-          {
-            "additionalProperties": false,
-            "properties": {
-              "californiaPolicy": {
-                "additionalProperties": false,
-                "properties": {
-                  "applied": {
-                    "type": "boolean"
-                  },
-                  "deductionPoints": {
-                    "enum": [
-                      0,
-                      15
-                    ],
-                    "type": "number"
-                  }
-                },
-                "required": [
-                  "applied",
-                  "deductionPoints"
-                ],
-                "type": "object"
-              },
-              "comparison": {
-                "additionalProperties": false,
-                "properties": {
-                  "baselineArtifact": {
-                    "additionalProperties": false,
-                    "properties": {
-                      "lane": {
-                        "const": "runtime_evidence",
-                        "type": "string"
-                      },
-                      "sha256": {
-                        "pattern": "^[a-f0-9]{64}$",
-                        "type": "string"
-                      },
-                      "sizeBytes": {
-                        "minimum": 0,
-                        "type": "integer"
-                      }
-                    },
-                    "required": [
-                      "lane",
-                      "sha256",
-                      "sizeBytes"
-                    ],
-                    "type": "object"
-                  },
-                  "comparable": {
-                    "type": "boolean"
-                  },
-                  "deltas": {
-                    "additionalProperties": false,
-                    "properties": {
-                      "advertisingOrMeasurementActivity": {
-                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/comparison/properties/deltas/properties/cookies"
-                      },
-                      "consentOrCmpBehavior": {
-                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/comparison/properties/deltas/properties/cookies"
-                      },
-                      "cookies": {
-                        "additionalProperties": false,
-                        "properties": {
-                          "baselineCount": {
-                            "minimum": 0,
-                            "type": "integer"
-                          },
-                          "baselineOnly": {
-                            "items": {
-                              "maxLength": 500,
-                              "minLength": 1,
-                              "type": "string"
-                            },
-                            "maxItems": 100,
-                            "type": "array"
-                          },
-                          "countDelta": {
-                            "type": "integer"
-                          },
-                          "gpcCount": {
-                            "minimum": 0,
-                            "type": "integer"
-                          },
-                          "gpcOnly": {
-                            "items": {
-                              "maxLength": 500,
-                              "minLength": 1,
-                              "type": "string"
-                            },
-                            "maxItems": 100,
-                            "type": "array"
-                          },
-                          "shared": {
-                            "items": {
-                              "maxLength": 500,
-                              "minLength": 1,
-                              "type": "string"
-                            },
-                            "maxItems": 100,
-                            "type": "array"
-                          }
-                        },
-                        "required": [
-                          "baselineCount",
-                          "gpcCount",
-                          "countDelta",
-                          "baselineOnly",
-                          "gpcOnly",
-                          "shared"
-                        ],
-                        "type": "object"
-                      },
-                      "trackers": {
-                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/comparison/properties/deltas/properties/cookies"
-                      }
-                    },
-                    "required": [
-                      "cookies",
-                      "trackers",
-                      "advertisingOrMeasurementActivity",
-                      "consentOrCmpBehavior"
-                    ],
-                    "type": "object"
-                  },
-                  "enabledProof": {
-                    "additionalProperties": false,
-                    "properties": {
-                      "navigatorGlobalPrivacyControl": {
-                        "const": true,
-                        "type": "boolean"
-                      },
-                      "requestEventIds": {
-                        "items": {
-                          "maxLength": 160,
-                          "minLength": 1,
-                          "type": "string"
-                        },
-                        "maxItems": 100,
-                        "type": "array"
-                      },
-                      "requestsWithSecGpc": {
-                        "minimum": 0,
-                        "type": "integer"
-                      },
-                      "secGpcHeaderValue": {
-                        "const": "1",
-                        "type": "string"
-                      }
-                    },
-                    "required": [
-                      "secGpcHeaderValue",
-                      "requestsWithSecGpc",
-                      "requestEventIds",
-                      "navigatorGlobalPrivacyControl"
-                    ],
-                    "type": "object"
-                  },
-                  "gpcArtifact": {
-                    "additionalProperties": false,
-                    "properties": {
-                      "lane": {
-                        "const": "gpc_observation",
-                        "type": "string"
-                      },
-                      "sha256": {
-                        "pattern": "^[a-f0-9]{64}$",
-                        "type": "string"
-                      },
-                      "sizeBytes": {
-                        "minimum": 0,
-                        "type": "integer"
-                      }
-                    },
-                    "required": [
-                      "lane",
-                      "sha256",
-                      "sizeBytes"
-                    ],
-                    "type": "object"
-                  },
-                  "limitationKeys": {
-                    "items": {
-                      "maxLength": 160,
-                      "minLength": 1,
-                      "type": "string"
-                    },
-                    "maxItems": 24,
-                    "type": "array"
-                  },
-                  "protocol": {
-                    "const": "passive_baseline_with_sec_gpc",
-                    "type": "string"
-                  }
-                },
-                "required": [
-                  "comparable",
-                  "protocol",
-                  "baselineArtifact",
-                  "gpcArtifact",
-                  "enabledProof",
-                  "deltas",
-                  "limitationKeys"
-                ],
-                "type": "object"
-              },
-              "evidenceUrl": {
-                "format": "uri",
-                "type": "string"
-              },
-              "findingTitle": {
-                "enum": [
-                  "GPC response",
-                  "No observable GPC response"
-                ],
-                "type": "string"
-              },
-              "legalInterpretation": {
-                "const": "not_assessed",
-                "type": "string"
-              },
-              "scoreEffect": {
-                "const": "none",
-                "type": "string"
-              },
-              "status": {
-                "enum": [
-                  "responsive",
-                  "no_observable_response",
-                  "indeterminate"
-                ],
-                "type": "string"
-              },
-              "summary": {
-                "maxLength": 2000,
-                "minLength": 1,
-                "type": "string"
-              }
-            },
-            "required": [
-              "status",
-              "findingTitle",
-              "summary",
-              "scoreEffect",
-              "legalInterpretation",
-              "comparison",
-              "californiaPolicy",
-              "evidenceUrl"
-            ],
-            "type": "object"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      }
-    ]
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "anyOf": [
+      {
+        "not": {}
+      },
+      {
+        "anyOf": [
+          {
+            "additionalProperties": false,
+            "properties": {
+              "californiaPolicy": {
+                "additionalProperties": false,
+                "properties": {
+                  "applied": {
+                    "type": "boolean"
+                  },
+                  "deductionPoints": {
+                    "enum": [
+                      0,
+                      15
+                    ],
+                    "type": "number"
+                  }
+                },
+                "required": [
+                  "applied",
+                  "deductionPoints"
+                ],
+                "type": "object"
+              },
+              "comparison": {
+                "additionalProperties": false,
+                "properties": {
+                  "baselineArtifact": {
+                    "anyOf": [
+                      {
+                        "additionalProperties": false,
+                        "properties": {
+                          "lane": {
+                            "const": "runtime_evidence",
+                            "type": "string"
+                          },
+                          "sha256": {
+                            "pattern": "^[a-f0-9]{64}$",
+                            "type": "string"
+                          },
+                          "sizeBytes": {
+                            "minimum": 0,
+                            "type": "integer"
+                          }
+                        },
+                        "required": [
+                          "lane",
+                          "sha256",
+                          "sizeBytes"
+                        ],
+                        "type": "object"
+                      },
+                      {
+                        "type": "null"
+                      }
+                    ]
+                  },
+                  "comparable": {
+                    "type": "boolean"
+                  },
+                  "coverage": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "comparedThroughMs": {
+                        "anyOf": [
+                          {
+                            "minimum": 0,
+                            "type": "integer"
+                          },
+                          {
+                            "type": "null"
+                          }
+                        ]
+                      },
+                      "status": {
+                        "enum": [
+                          "complete",
+                          "limited",
+                          "unavailable"
+                        ],
+                        "type": "string"
+                      }
+                    },
+                    "required": [
+                      "status",
+                      "comparedThroughMs"
+                    ],
+                    "type": "object"
+                  },
+                  "delivery": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "status": {
+                        "enum": [
+                          "verified",
+                          "limited",
+                          "unavailable"
+                        ],
+                        "type": "string"
+                      }
+                    },
+                    "required": [
+                      "status"
+                    ],
+                    "type": "object"
+                  },
+                  "deltas": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "advertisingOrMarketingActivity": {
+                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/comparison/properties/deltas/properties/cookies"
+                      },
+                      "advertisingOrMeasurementActivity": {
+                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/comparison/properties/deltas/properties/cookies"
+                      },
+                      "consentOrCmpBehavior": {
+                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/comparison/properties/deltas/properties/cookies"
+                      },
+                      "cookies": {
+                        "additionalProperties": false,
+                        "properties": {
+                          "baselineCount": {
+                            "minimum": 0,
+                            "type": "integer"
+                          },
+                          "baselineOnly": {
+                            "items": {
+                              "maxLength": 500,
+                              "minLength": 1,
+                              "type": "string"
+                            },
+                            "maxItems": 100,
+                            "type": "array"
+                          },
+                          "baselineOnlyCount": {
+                            "minimum": 0,
+                            "type": "integer"
+                          },
+                          "countDelta": {
+                            "type": "integer"
+                          },
+                          "gpcCount": {
+                            "minimum": 0,
+                            "type": "integer"
+                          },
+                          "gpcOnly": {
+                            "items": {
+                              "maxLength": 500,
+                              "minLength": 1,
+                              "type": "string"
+                            },
+                            "maxItems": 100,
+                            "type": "array"
+                          },
+                          "gpcOnlyCount": {
+                            "minimum": 0,
+                            "type": "integer"
+                          },
+                          "samplesTruncated": {
+                            "type": "boolean"
+                          },
+                          "shared": {
+                            "items": {
+                              "maxLength": 500,
+                              "minLength": 1,
+                              "type": "string"
+                            },
+                            "maxItems": 100,
+                            "type": "array"
+                          },
+                          "sharedCount": {
+                            "minimum": 0,
+                            "type": "integer"
+                          }
+                        },
+                        "required": [
+                          "baselineCount",
+                          "gpcCount",
+                          "countDelta",
+                          "baselineOnly",
+                          "gpcOnly",
+                          "shared"
+                        ],
+                        "type": "object"
+                      },
+                      "trackers": {
+                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/comparison/properties/deltas/properties/cookies"
+                      },
+                      "webStorage": {
+                        "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/comparison/properties/deltas/properties/cookies"
+                      }
+                    },
+                    "required": [
+                      "cookies",
+                      "trackers",
+                      "advertisingOrMeasurementActivity",
+                      "consentOrCmpBehavior"
+                    ],
+                    "type": "object"
+                  },
+                  "enabledProof": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "navigatorGlobalPrivacyControl": {
+                        "type": [
+                          "boolean",
+                          "null"
+                        ]
+                      },
+                      "requestEventIds": {
+                        "items": {
+                          "maxLength": 160,
+                          "minLength": 1,
+                          "type": "string"
+                        },
+                        "maxItems": 100,
+                        "type": "array"
+                      },
+                      "requestsWithSecGpc": {
+                        "minimum": 0,
+                        "type": "integer"
+                      },
+                      "secGpcHeaderValue": {
+                        "anyOf": [
+                          {
+                            "const": "1",
+                            "type": "string"
+                          },
+                          {
+                            "type": "null"
+                          }
+                        ]
+                      }
+                    },
+                    "required": [
+                      "secGpcHeaderValue",
+                      "requestsWithSecGpc",
+                      "requestEventIds",
+                      "navigatorGlobalPrivacyControl"
+                    ],
+                    "type": "object"
+                  },
+                  "gpcArtifact": {
+                    "anyOf": [
+                      {
+                        "additionalProperties": false,
+                        "properties": {
+                          "lane": {
+                            "const": "gpc_observation",
+                            "type": "string"
+                          },
+                          "sha256": {
+                            "pattern": "^[a-f0-9]{64}$",
+                            "type": "string"
+                          },
+                          "sizeBytes": {
+                            "minimum": 0,
+                            "type": "integer"
+                          }
+                        },
+                        "required": [
+                          "lane",
+                          "sha256",
+                          "sizeBytes"
+                        ],
+                        "type": "object"
+                      },
+                      {
+                        "type": "null"
+                      }
+                    ]
+                  },
+                  "limitationKeys": {
+                    "items": {
+                      "maxLength": 160,
+                      "minLength": 1,
+                      "type": "string"
+                    },
+                    "maxItems": 24,
+                    "type": "array"
+                  },
+                  "protocol": {
+                    "const": "passive_baseline_with_sec_gpc",
+                    "type": "string"
+                  },
+                  "responseBasis": {
+                    "enum": [
+                      "qualified_activity_reduction",
+                      "no_qualified_reduction",
+                      "insufficient_evidence"
+                    ],
+                    "type": "string"
+                  }
+                },
+                "required": [
+                  "comparable",
+                  "protocol",
+                  "baselineArtifact",
+                  "gpcArtifact",
+                  "enabledProof",
+                  "deltas",
+                  "limitationKeys"
+                ],
+                "type": "object"
+              },
+              "contractVersion": {
+                "enum": [
+                  "certscore.gpc-response-assessment.v1",
+                  "certscore.gpc-response-assessment.v2"
+                ],
+                "type": "string"
+              },
+              "evidenceUrl": {
+                "format": "uri",
+                "type": "string"
+              },
+              "findingTitle": {
+                "enum": [
+                  "GPC response",
+                  "No observable GPC response"
+                ],
+                "type": "string"
+              },
+              "legalInterpretation": {
+                "const": "not_assessed",
+                "type": "string"
+              },
+              "scoreEffect": {
+                "const": "none",
+                "type": "string"
+              },
+              "status": {
+                "enum": [
+                  "responsive",
+                  "no_observable_response",
+                  "indeterminate"
+                ],
+                "type": "string"
+              },
+              "summary": {
+                "maxLength": 2000,
+                "minLength": 1,
+                "type": "string"
+              }
+            },
+            "required": [
+              "status",
+              "findingTitle",
+              "summary",
+              "scoreEffect",
+              "legalInterpretation",
+              "comparison",
+              "californiaPolicy",
+              "evidenceUrl"
+            ],
+            "type": "object"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "type": "null"
+  }
+]

Changed3 schema fields changedSep 2, 2026

addedOutput schema / properties / gpcResponse

Added value: +{
+  "anyOf": [
+    {
+      "anyOf": [
+        {
+          "not": {}
+        },
+        {
+          "anyOf": [
+            {
+              "additionalProperties": false,
+              "properties": {
+                "californiaPolicy": {
+                  "additionalProperties": false,
+                  "properties": {
+                    "applied": {
+                      "type": "boolean"
+                    },
+                    "deductionPoints": {
+                      "enum": [
+                        0,
+                        15
+                      ],
+                      "type": "number"
+                    }
+                  },
+                  "required": [
+                    "applied",
+                    "deductionPoints"
+                  ],
+                  "type": "object"
+                },
+                "comparison": {
+                  "additionalProperties": false,
+                  "properties": {
+                    "baselineArtifact": {
+                      "additionalProperties": false,
+                      "properties": {
+                        "lane": {
+                          "const": "runtime_evidence",
+                          "type": "string"
+                        },
+                        "sha256": {
+                          "pattern": "^[a-f0-9]{64}$",
+                          "type": "string"
+                        },
+                        "sizeBytes": {
+                          "minimum": 0,
+                          "type": "integer"
+                        }
+                      },
+                      "required": [
+                        "lane",
+                        "sha256",
+                        "sizeBytes"
+                      ],
+                      "type": "object"
+                    },
+                    "comparable": {
+                      "type": "boolean"
+                    },
+                    "deltas": {
+                      "additionalProperties": false,
+                      "properties": {
+                        "advertisingOrMeasurementActivity": {
+                          "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/comparison/properties/deltas/properties/cookies"
+                        },
+                        "consentOrCmpBehavior": {
+                          "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/comparison/properties/deltas/properties/cookies"
+                        },
+                        "cookies": {
+                          "additionalProperties": false,
+                          "properties": {
+                            "baselineCount": {
+                              "minimum": 0,
+                              "type": "integer"
+                            },
+                            "baselineOnly": {
+                              "items": {
+                                "maxLength": 500,
+                                "minLength": 1,
+                                "type": "string"
+                              },
+                              "maxItems": 100,
+                              "type": "array"
+                            },
+                            "countDelta": {
+                              "type": "integer"
+                            },
+                            "gpcCount": {
+                              "minimum": 0,
+                              "type": "integer"
+                            },
+                            "gpcOnly": {
+                              "items": {
+                                "maxLength": 500,
+                                "minLength": 1,
+                                "type": "string"
+                              },
+                              "maxItems": 100,
+                              "type": "array"
+                            },
+                            "shared": {
+                              "items": {
+                                "maxLength": 500,
+                                "minLength": 1,
+                                "type": "string"
+                              },
+                              "maxItems": 100,
+                              "type": "array"
+                            }
+                          },
+                          "required": [
+                            "baselineCount",
+                            "gpcCount",
+                            "countDelta",
+                            "baselineOnly",
+                            "gpcOnly",
+                            "shared"
+                          ],
+                          "type": "object"
+                        },
+                        "trackers": {
+                          "$ref": "#/properties/gpcResponse/anyOf/0/anyOf/1/anyOf/0/properties/comparison/properties/deltas/properties/cookies"
+                        }
+                      },
+                      "required": [
+                        "cookies",
+                        "trackers",
+                        "advertisingOrMeasurementActivity",
+                        "consentOrCmpBehavior"
+                      ],
+                      "type": "object"
+                    },
+                    "enabledProof": {
+                      "additionalProperties": false,
+                      "properties": {
+                        "navigatorGlobalPrivacyControl": {
+                          "const": true,
+                          "type": "boolean"
+                        },
+                        "requestEventIds": {
+                          "items": {
+                            "maxLength": 160,
+                            "minLength": 1,
+                            "type": "string"
+                          },
+                          "maxItems": 100,
+                          "type": "array"
+                        },
+                        "requestsWithSecGpc": {
+                          "minimum": 0,
+                          "type": "integer"
+                        },
+                        "secGpcHeaderValue": {
+                          "const": "1",
+                          "type": "string"
+                        }
+                      },
+                      "required": [
+                        "secGpcHeaderValue",
+                        "requestsWithSecGpc",
+                        "requestEventIds",
+                        "navigatorGlobalPrivacyControl"
+                      ],
+                      "type": "object"
+                    },
+                    "gpcArtifact": {
+                      "additionalProperties": false,
+                      "properties": {
+                        "lane": {
+                          "const": "gpc_observation",
+                          "type": "string"
+                        },
+                        "sha256": {
+                          "pattern": "^[a-f0-9]{64}$",
+                          "type": "string"
+                        },
+                        "sizeBytes": {
+                          "minimum": 0,
+                          "type": "integer"
+                        }
+                      },
+                      "required": [
+                        "lane",
+                        "sha256",
+                        "sizeBytes"
+                      ],
+                      "type": "object"
+                    },
+                    "limitationKeys": {
+                      "items": {
+                        "maxLength": 160,
+                        "minLength": 1,
+                        "type": "string"
+                      },
+                      "maxItems": 24,
+                      "type": "array"
+                    },
+                    "protocol": {
+                      "const": "passive_baseline_with_sec_gpc",
+                      "type": "string"
+                    }
+                  },
+                  "required": [
+                    "comparable",
+                    "protocol",
+                    "baselineArtifact",
+                    "gpcArtifact",
+                    "enabledProof",
+                    "deltas",
+                    "limitationKeys"
+                  ],
+                  "type": "object"
+                },
+                "evidenceUrl": {
+                  "format": "uri",
+                  "type": "string"
+                },
+                "findingTitle": {
+                  "enum": [
+                    "GPC response",
+                    "No observable GPC response"
+                  ],
+                  "type": "string"
+                },
+                "legalInterpretation": {
+                  "const": "not_assessed",
+                  "type": "string"
+                },
+                "scoreEffect": {
+                  "const": "none",
+                  "type": "string"
+                },
+                "status": {
+                  "enum": [
+                    "responsive",
+                    "no_observable_response",
+                    "indeterminate"
+                  ],
+                  "type": "string"
+                },
+                "summary": {
+                  "maxLength": 2000,
+                  "minLength": 1,
+                  "type": "string"
+                }
+              },
+              "required": [
+                "status",
+                "findingTitle",
+                "summary",
+                "scoreEffect",
+                "legalInterpretation",
+                "comparison",
+                "californiaPolicy",
+                "evidenceUrl"
+              ],
+              "type": "object"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "type": "null"
+    }
+  ]
+}

addedOutput schema / properties / postAcceptObservation

Added value: +{
+  "anyOf": [
+    {
+      "anyOf": [
+        {
+          "not": {}
+        },
+        {
+          "anyOf": [
+            {
+              "additionalProperties": false,
+              "properties": {
+                "acceptanceExercised": {
+                  "type": "boolean"
+                },
+                "completedAt": {
+                  "type": [
+                    "string",
+                    "null"
+                  ]
+                },
+                "coverageLimitations": {
+                  "items": {
+                    "type": "string"
+                  },
+                  "maxItems": 24,
+                  "type": "array"
+                },
+                "evidenceDisposition": {
+                  "enum": [
+                    "confirmed",
+                    "indeterminate"
+                  ],
+                  "type": "string"
+                },
+                "indeterminateReason": {
+                  "anyOf": [
+                    {
+                      "maxLength": 160,
+                      "minLength": 1,
+                      "type": "string"
+                    },
+                    {
+                      "type": "null"
+                    }
+                  ]
+                },
+                "interpretation": {
+                  "maxLength": 500,
+                  "minLength": 1,
+                  "type": "string"
+                },
+                "limitations": {
+                  "items": {
+                    "type": "string"
+                  },
+                  "maxItems": 24,
+                  "type": "array"
+                },
+                "observationCount": {
+                  "minimum": 0,
+                  "type": "integer"
+                },
+                "observationStrategy": {
+                  "enum": [
+                    "stop_on_first_eligible_activity",
+                    "not_applicable"
+                  ],
+                  "type": "string"
+                },
+                "productionProjectable": {
+                  "type": "boolean"
+                },
+                "status": {
+                  "enum": [
+                    "confirmed_observation",
+                    "confirmed_clean",
+                    "unconfirmed",
+                    "not_attempted",
+                    "unsupported",
+                    "aborted"
+                  ],
+                  "type": "string"
+                },
+                "termination": {
+                  "additionalProperties": false,
+                  "properties": {
+                    "intentional": {
+                      "type": "boolean"
+                    },
+                    "kind": {
+                      "enum": [
+                        "evidence_satisfied",
+                        "window_elapsed",
+                        "unavailable"
+                      ],
+                      "type": "string"
+                    },
+                    "trigger": {
+                      "enum": [
+                        "non_essential_request_observed",
+                        "non_essential_storage_write_observed",
+                        "acceptance_signal_contradiction_observed",
+                        "window_elapsed",
+                        "accept_control_not_observed",
+                        "accept_path_timeout",
+                        "accept_observation_window_truncated",
+                        "worker_failed",
+                        "unavailable"
+                      ],
+                      "type": "string"
+                    }
+                  },
+                  "required": [
+                    "kind",
+                    "intentional",
+                    "trigger"
+                  ],
+                  "type": "object"
+                },
+                "verdict": {
+                  "enum": [
+                    "eligible_nonessential_activity_observed_after_confirmed_acceptance",
+                    "retained_consent_signal_contradiction_observed_after_confirmed_acceptance",
+                    "no_eligible_nonessential_activity_observed_during_completed_window",
+                    "no_confirmed_post_accept_verdict"
+                  ],
+                  "type": "string"
+                }
+              },
+              "required": [
+                "status",
+                "acceptanceExercised",
+                "observationCount",
+                "productionProjectable",
+                "evidenceDisposition",
+                "indeterminateReason",
+                "verdict",
+                "interpretation",
+                "observationStrategy",
+                "termination",
+                "completedAt",
+                "coverageLimitations",
+                "limitations"
+              ],
+              "type": "object"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "type": "null"
+    }
+  ]
+}

addedOutput schema / properties / postRefusalObservation

Added value: +{
+  "anyOf": [
+    {
+      "anyOf": [
+        {
+          "not": {}
+        },
+        {
+          "anyOf": [
+            {
+              "additionalProperties": false,
+              "properties": {
+                "completedAt": {
+                  "type": [
+                    "string",
+                    "null"
+                  ]
+                },
+                "coverageLimitations": {
+                  "items": {
+                    "type": "string"
+                  },
+                  "maxItems": 24,
+                  "type": "array"
+                },
+                "evidenceDisposition": {
+                  "enum": [
+                    "confirmed",
+                    "indeterminate"
+                  ],
+                  "type": "string"
+                },
+                "indeterminateReason": {
+                  "anyOf": [
+                    {
+                      "maxLength": 160,
+                      "minLength": 1,
+                      "type": "string"
+                    },
+                    {
+                      "type": "null"
+                    }
+                  ]
+                },
+                "interpretation": {
+                  "maxLength": 500,
+                  "minLength": 1,
+                  "type": "string"
+                },
+                "limitations": {
+                  "items": {
+                    "type": "string"
+                  },
+                  "maxItems": 24,
+                  "type": "array"
+                },
+                "observationCount": {
+                  "minimum": 0,
+                  "type": "integer"
+                },
+                "observationStrategy": {
+                  "enum": [
+                    "stop_on_first_eligible_activity",
+                    "not_applicable"
+                  ],
+                  "type": "string"
+                },
+                "productionProjectable": {
+                  "type": "boolean"
+                },
+                "refusalExercised": {
+                  "type": "boolean"
+                },
+                "status": {
+                  "enum": [
+                    "confirmed_observation",
+                    "confirmed_clean",
+                    "unconfirmed",
+                    "not_attempted",
+                    "unsupported",
+                    "aborted"
+                  ],
+                  "type": "string"
+                },
+                "termination": {
+                  "additionalProperties": false,
+                  "properties": {
+                    "intentional": {
+                      "type": "boolean"
+                    },
+                    "kind": {
+                      "enum": [
+                        "evidence_satisfied",
+                        "window_elapsed",
+                        "unavailable"
+                      ],
+                      "type": "string"
+                    },
+                    "trigger": {
+                      "enum": [
+                        "non_essential_request_observed",
+                        "non_essential_storage_write_observed",
+                        "refusal_signal_contradiction_observed",
+                        "window_elapsed",
+                        "reject_path_timeout",
+                        "worker_failed",
+                        "unavailable"
+                      ],
+                      "type": "string"
+                    }
+                  },
+                  "required": [
+                    "kind",
+                    "intentional",
+                    "trigger"
+                  ],
+                  "type": "object"
+                },
+                "verdict": {
+                  "enum": [
+                    "eligible_nonessential_activity_observed_after_confirmed_refusal",
+                    "retained_consent_signal_contradiction_observed_after_confirmed_refusal",
+                    "no_eligible_nonessential_activity_observed_during_completed_window",
+                    "no_confirmed_post_refusal_verdict"
+                  ],
+                  "type": "string"
+                }
+              },
+              "required": [
+                "status",
+                "refusalExercised",
+                "observationCount",
+                "productionProjectable",
+                "evidenceDisposition",
+                "indeterminateReason",
+                "verdict",
+                "interpretation",
+                "observationStrategy",
+                "termination",
+                "completedAt",
+                "coverageLimitations",
+                "limitations"
+              ],
+              "type": "object"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "type": "null"
+    }
+  ]
+}

Changed1 schema field changedAug 29, 2026

addedOutput schema / properties / preConsentPreview

Added value: +{
+  "additionalProperties": false,
+  "properties": {
+    "cookies": {
+      "items": {
+        "additionalProperties": false,
+        "properties": {
+          "domain": {
+            "anyOf": [
+              {
+                "maxLength": 253,
+                "minLength": 1,
+                "type": "string"
+              },
+              {
+                "type": "null"
+              }
+            ]
+          },
+          "essentiality": {
+            "enum": [
+              "essential",
+              "non_essential",
+              "unknown"
+            ],
+            "type": "string"
+          },
+          "name": {
+            "maxLength": 256,
+            "minLength": 1,
+            "type": "string"
+          },
+          "observedAtMs": {
+            "anyOf": [
+              {
+                "minimum": 0,
+                "type": "integer"
+              },
+              {
+                "type": "null"
+              }
+            ]
+          },
+          "party": {
+            "enum": [
+              "first_party",
+              "third_party",
+              "unknown"
+            ],
+            "type": "string"
+          },
+          "purpose": {
+            "enum": [
+              "analytics",
+              "advertising",
+              "marketing",
+              "personalization",
+              "session_replay",
+              "consent_management",
+              "tag_management",
+              "infrastructure",
+              "security",
+              "performance_monitoring",
+              "customer_support",
+              "unknown"
+            ],
+            "type": "string"
+          }
+        },
+        "required": [
+          "name",
+          "domain",
+          "party",
+          "purpose",
+          "essentiality",
+          "observedAtMs"
+        ],
+        "type": "object"
+      },
+      "maxItems": 20,
+      "type": "array"
+    },
+    "final": {
+      "const": false,
+      "type": "boolean"
+    },
+    "generatedAt": {
+      "format": "date-time",
+      "type": "string"
+    },
+    "mustContinuePolling": {
+      "const": true,
+      "type": "boolean"
+    },
+    "observationOnlyDisclaimer": {
+      "maxLength": 500,
+      "minLength": 1,
+      "type": "string"
+    },
+    "operationalVendors": {
+      "items": {
+        "additionalProperties": false,
+        "properties": {
+          "confidence": {
+            "maximum": 1,
+            "minimum": 0,
+            "type": "number"
+          },
+          "domains": {
+            "items": {
+              "maxLength": 253,
+              "minLength": 1,
+              "type": "string"
+            },
+            "maxItems": 8,
+            "type": "array"
+          },
+          "product": {
+            "anyOf": [
+              {
+                "maxLength": 160,
+                "minLength": 1,
+                "type": "string"
+              },
+              {
+                "type": "null"
+              }
+            ]
+          },
+          "purpose": {
+            "enum": [
+              "analytics",
+              "advertising",
+              "marketing",
+              "personalization",
+              "session_replay",
+              "consent_management",
+              "tag_management",
+              "infrastructure",
+              "security",
+              "performance_monitoring",
+              "customer_support",
+              "unknown"
+            ],
+            "type": "string"
+          },
+          "vendor": {
+            "maxLength": 160,
+            "minLength": 1,
+            "type": "string"
+          }
+        },
+        "required": [
+          "vendor",
+          "product",
+          "purpose",
+          "confidence",
+          "domains"
+        ],
+        "type": "object"
+      },
+      "maxItems": 20,
+      "type": "array"
+    },
+    "resultStage": {
+      "const": "preliminary",
+      "type": "string"
+    },
+    "runtimeCoverage": {
+      "additionalProperties": false,
+      "properties": {
+        "limitationKeys": {
+          "items": {
+            "maxLength": 120,
+            "minLength": 1,
+            "type": "string"
+          },
+          "maxItems": 16,
+          "type": "array"
+        },
+        "status": {
+          "enum": [
+            "usable",
+            "limited_partial",
+            "limited_none",
+            "not_applicable"
+          ],
+          "type": "string"
+        }
+      },
+      "required": [
+        "status",
+        "limitationKeys"
+      ],
+      "type": "object"
+    },
+    "sourceLane": {
+      "const": "runtime_evidence",
+      "type": "string"
+    },
+    "summary": {
+      "additionalProperties": false,
+      "properties": {
+        "cookieCount": {
+          "minimum": 0,
+          "type": "integer"
+        },
+        "operationalVendorCount": {
+          "minimum": 0,
+          "type": "integer"
+        },
+        "returnedCookieCount": {
+          "minimum": 0,
+          "type": "integer"
+        },
+        "returnedOperationalVendorCount": {
+          "minimum": 0,
+          "type": "integer"
+        },
+        "returnedTrackingVendorCount": {
+          "minimum": 0,
+          "type": "integer"
+        },
+        "thirdPartyRequestCount": {
+          "minimum": 0,
+          "type": "integer"
+        },
+        "trackerCount": {
+          "minimum": 0,
+          "type": "integer"
+        },
+        "trackingVendorCount": {
+          "minimum": 0,
+          "type": "integer"
+        },
+        "vendorCount": {
+          "minimum": 0,
+          "type": "integer"
+        }
+      },
+      "required": [
+        "cookieCount",
+        "trackerCount",
+        "thirdPartyRequestCount",
+        "vendorCount"
+      ],
+      "type": "object"
+    },
+    "trackers": {
+      "items": {
+        "additionalProperties": false,
+        "properties": {
+          "confidence": {
+            "maximum": 1,
+            "minimum": 0,
+            "type": "number"
+          },
+          "domains": {
+            "items": {
+              "maxLength": 253,
+              "minLength": 1,
+              "type": "string"
+            },
+            "maxItems": 8,
+            "type": "array"
+          },
+          "product": {
+            "anyOf": [
+              {
+                "maxLength": 160,
+                "minLength": 1,
+                "type": "string"
+              },
+              {
+                "type": "null"
+              }
+            ]
+          },
+          "purpose": {
+            "enum": [
+              "analytics",
+              "advertising",
+              "marketing",
+              "personalization",
+              "session_replay",
+              "consent_management",
+              "tag_management",
+              "infrastructure",
+              "security",
+              "performance_monitoring",
+              "customer_support",
+              "unknown"
+            ],
+            "type": "string"
+          },
+          "vendor": {
+            "maxLength": 160,
+            "minLength": 1,
+            "type": "string"
+          }
+        },
+        "required": [
+          "vendor",
+          "product",
+          "purpose",
+          "confidence",
+          "domains"
+        ],
+        "type": "object"
+      },
+      "maxItems": 20,
+      "type": "array"
+    },
+    "truncated": {
+      "additionalProperties": false,
+      "properties": {
+        "cookies": {
+          "type": "boolean"
+        },
+        "operationalVendors": {
+          "type": "boolean"
+        },
+        "trackers": {
+          "type": "boolean"
+        }
+      },
+      "required": [
+        "cookies",
+        "trackers"
+      ],
+      "type": "object"
+    },
+    "type": {
+      "const": "certscore_pre_consent_preview",
+      "type": "string"
+    }
+  },
+  "required": [
+    "type",
+    "resultStage",
+    "final",
+    "sourceLane",
+    "generatedAt",
+    "runtimeCoverage",
+    "summary",
+    "cookies",
+    "trackers",
+    "truncated",
+    "mustContinuePolling",
+    "observationOnlyDisclaimer"
+  ],
+  "type": "object"
+}

Changed4 schema fields changedAug 26, 2026

addedOutput schema / properties / provenance / properties / creationDecision

Added value: +{
+  "enum": [
+    "new_scan",
+    "reused_scan",
+    "unknown"
+  ],
+  "type": "string"
+}

addedOutput schema / properties / provenance / properties / retrievalMode

Added value: +{
+  "enum": [
+    "creation_response",
+    "scan_id_lookup",
+    "unknown"
+  ],
+  "type": "string"
+}

addedOutput schema / properties / provenance / properties / scanAgeSeconds

Added value: +{
+  "anyOf": [
+    {
+      "minimum": 0,
+      "type": "integer"
+    },
+    {
+      "type": "null"
+    }
+  ]
+}

changedOutput schema / properties / provenance / required

Previous value: -[
-  "mode",
-  "executionMode",
-  "reused",
-  "freshnessDecision"
-]New value: +[
+  "mode",
+  "retrievalMode",
+  "creationDecision",
+  "scanAgeSeconds",
+  "executionMode",
+  "reused",
+  "freshnessDecision"
+]

Changed1 schema field changedAug 17, 2026

addedOutput schema / properties / scanFrom

Added value: +{
+  "anyOf": [
+    {
+      "enum": [
+        "eu_de",
+        "eu_ie",
+        "california"
+      ],
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ]
+}

Changed4 schema fields changedAug 14, 2026

addedOutput schema / properties / interpretationGuidance

Added value: +{
+  "additionalProperties": false,
+  "properties": {
+    "doNotInferLegalComplianceStatus": {
+      "const": true,
+      "type": "boolean"
+    },
+    "doNotInferUnobservedTechnologies": {
+      "const": true,
+      "type": "boolean"
+    },
+    "observableSignalsOnly": {
+      "const": true,
+      "type": "boolean"
+    },
+    "scoreLabel": {
+      "const": "CertScore score",
+      "type": "string"
+    },
+    "statement": {
+      "type": "string"
+    }
+  },
+  "required": [
+    "scoreLabel",
+    "observableSignalsOnly",
+    "doNotInferUnobservedTechnologies",
+    "doNotInferLegalComplianceStatus",
+    "statement"
+  ],
+  "type": "object"
+}

addedOutput schema / properties / provenance

Added value: +{
+  "additionalProperties": false,
+  "properties": {
+    "executionMode": {
+      "anyOf": [
+        {
+          "enum": [
+            "new_scan",
+            "reused_scan"
+          ],
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ]
+    },
+    "freshnessDecision": {
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "mode": {
+      "enum": [
+        "new_scan_started",
+        "existing_completed_scan_reused",
+        "existing_scan_retrieved",
+        "unknown"
+      ],
+      "type": "string"
+    },
+    "reused": {
+      "type": [
+        "boolean",
+        "null"
+      ]
+    }
+  },
+  "required": [
+    "mode",
+    "executionMode",
+    "reused",
+    "freshnessDecision"
+  ],
+  "type": "object"
+}

addedOutput schema / properties / scoreLabel

Added value: +{
+  "const": "CertScore score",
+  "type": "string"
+}

changedOutput schema / required

Previous value: -[
-  "error",
-  "recommendedNextTool",
-  "recommendedNextAction",
-  "observationOnlyDisclaimer"
-]New value: +[
+  "scoreLabel",
+  "error",
+  "provenance",
+  "interpretationGuidance",
+  "recommendedNextTool",
+  "recommendedNextAction",
+  "observationOnlyDisclaimer"
+]

AddedAug 13, 2026

TDQS

A3.6/5.0

Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already establish readOnly, idempotent, non-destructive, and closed-world, so the safety profile is covered. The description adds real behavioral context beyond that: heartbeat and retryAfterSeconds signals, the bounded 'preliminary preConsentPreview', and the explicit warning that preliminary observations are distinct from completed findings.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The core purpose is front-loaded in the first clause, but the bulk of the text is a long enumeration of response fields, which is partly redundant given an output schema exists. The clauses are dense and stacked, and the final sentence about preliminary vs completed findings is the only one that fully earns its place.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a single-parameter polling tool with an output schema and full annotation coverage, the description supplies the key semantic distinction an agent needs (transient active state vs. terminal result, and that preliminary observations are not final findings). Minor gaps remain around polling cadence and error/expiry handling for an invalid or stale scanId.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100% and the single scanId parameter is fully documented in the schema as the value returned by certscore_scan_site. The description adds only the adjective 'stable', which hints at reuse across polling calls but adds little syntax or format meaning, so the baseline 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description states a specific verb and resource ('Returns lifecycle status for a stable CertScore scanId') and enumerates what the status payload contains. It is clearly distinct from scan_site, get_scan_bundle, and get_report_evidence_page in kind, though it never explicitly names or routes away from those siblings.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Usage is only implied: the split between 'active responses' and 'terminal responses' plus the presence of retryAfterSeconds and heartbeat fragments suggests a polling workflow, but the description never states when to call this versus the sibling report/bundle tools or when to stop polling. No explicit exclusions or prerequisites are given.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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