FilmRightsProof

Trace public rights evidence

filmrightsproof.trace_public_rights

Read-onlyIdempotent

Trace a bounded film or television public-record rights dossier when an agent needs more than a simple record lookup. Resolve the work, reconcile maintained Copyright Office evidence, build only source-supported relationships, and return provenance, ambiguity, and bounded freshness. $2 per completed authorized invocation. Not legal clearance, definitive ownership, exhaustive chain of title, or private-contract analysis.

Input Schema

TableJSON Schema

Name	Required	Description
`year`	No	Optional release, publication, creation, or registration year used to narrow candidate matches.
`limit`	No	Maximum number of candidate public-record matches to return or inspect.
`title`	Yes	Film, television, or underlying creative-work title to search in U.S. Copyright Office public records.
`creator`	No	Optional creator, author, writer, director, producer, or other credited name used to disambiguate similarly titled works.
`workType`	No	Optional work-type hint, such as motion picture, television, screenplay, book, or other underlying creative work.

Output Schema

TableJSON Schema

Name	Required	Description	Default
`edges`	Yes
`query`	Yes
`state`	Yes
`status`	Yes
`methods`	Yes
`records`	Yes
`traceId`	Yes
`coverage`	Yes
`evidence`	Yes
`dossierId`	Yes
`freshness`	Yes
`operation`	Yes
`candidates`	Yes
`provenance`	Yes
`legalNotice`	Yes
`limitations`	Yes
`evidenceGaps`	Yes
`resolvedWork`	No
`corpusVersion`	No
`nonInferences`	Yes
`schemaVersion`	Yes
`canonicalRequest`	Yes
`normalizedParties`	Yes
`unresolvedQuestions`	Yes

Schema Changelog

Changes observed during successful MCP inspections.

Changed5 schema fields changedSep 13, 2026

addedInput schema / properties / creator / description

Added value: +"Optional creator, author, writer, director, producer, or other credited name used to disambiguate similarly titled works."

addedInput schema / properties / limit / description

Added value: +"Maximum number of candidate public-record matches to return or inspect."

addedInput schema / properties / title / description

Added value: +"Film, television, or underlying creative-work title to search in U.S. Copyright Office public records."

addedInput schema / properties / workType / description

Added value: +"Optional work-type hint, such as motion picture, television, screenplay, book, or other underlying creative work."

addedInput schema / properties / year / description

Added value: +"Optional release, publication, creation, or registration year used to narrow candidate matches."

Changed1 schema field changedSep 13, 2026

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "additionalProperties": true,
+  "properties": {
+    "candidates": {
+      "items": {
+        "additionalProperties": true,
+        "properties": {
+          "id": {
+            "type": "string"
+          },
+          "publicationYear": {
+            "anyOf": [
+              {
+                "type": "integer"
+              },
+              {
+                "type": "null"
+              }
+            ]
+          },
+          "reasons": {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          },
+          "registrationNumber": {
+            "anyOf": [
+              {
+                "type": "string"
+              },
+              {
+                "type": "null"
+              }
+            ]
+          },
+          "score": {
+            "type": "number"
+          },
+          "title": {
+            "type": "string"
+          },
+          "workType": {
+            "anyOf": [
+              {
+                "type": "string"
+              },
+              {
+                "type": "null"
+              }
+            ]
+          }
+        },
+        "required": [
+          "id",
+          "title"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "canonicalRequest": {
+      "type": "object"
+    },
+    "corpusVersion": {
+      "type": "integer"
+    },
+    "coverage": {
+      "type": "object"
+    },
+    "dossierId": {
+      "type": "string"
+    },
+    "edges": {
+      "items": {
+        "additionalProperties": true,
+        "properties": {
+          "id": {
+            "type": "string"
+          },
+          "sourceSemantics": {
+            "type": "object"
+          },
+          "support": {
+            "items": {
+              "type": "object"
+            },
+            "minItems": 1,
+            "type": "array"
+          },
+          "type": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "id",
+          "type",
+          "support",
+          "sourceSemantics"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "evidence": {
+      "additionalProperties": false,
+      "properties": {
+        "cancellations": {
+          "items": {
+            "additionalProperties": true,
+            "properties": {
+              "id": {
+                "type": "string"
+              },
+              "recordType": {
+                "type": "string"
+              },
+              "source": {
+                "type": "object"
+              },
+              "title": {
+                "type": "string"
+              }
+            },
+            "required": [
+              "id",
+              "recordType",
+              "title",
+              "source"
+            ],
+            "type": "object"
+          },
+          "type": "array"
+        },
+        "recordations": {
+          "items": {
+            "additionalProperties": true,
+            "properties": {
+              "id": {
+                "type": "string"
+              },
+              "recordType": {
+                "type": "string"
+              },
+              "source": {
+                "type": "object"
+              },
+              "title": {
+                "type": "string"
+              }
+            },
+            "required": [
+              "id",
+              "recordType",
+              "title",
+              "source"
+            ],
+            "type": "object"
+          },
+          "type": "array"
+        },
+        "registrations": {
+          "items": {
+            "additionalProperties": true,
+            "properties": {
+              "id": {
+                "type": "string"
+              },
+              "recordType": {
+                "type": "string"
+              },
+              "source": {
+                "type": "object"
+              },
+              "title": {
+                "type": "string"
+              }
+            },
+            "required": [
+              "id",
+              "recordType",
+              "title",
+              "source"
+            ],
+            "type": "object"
+          },
+          "type": "array"
+        },
+        "renewals": {
+          "items": {
+            "additionalProperties": true,
+            "properties": {
+              "id": {
+                "type": "string"
+              },
+              "recordType": {
+                "type": "string"
+              },
+              "source": {
+                "type": "object"
+              },
+              "title": {
+                "type": "string"
+              }
+            },
+            "required": [
+              "id",
+              "recordType",
+              "title",
+              "source"
+            ],
+            "type": "object"
+          },
+          "type": "array"
+        },
+        "terminations": {
+          "items": {
+            "additionalProperties": true,
+            "properties": {
+              "id": {
+                "type": "string"
+              },
+              "recordType": {
+                "type": "string"
+              },
+              "source": {
+                "type": "object"
+              },
+              "title": {
+                "type": "string"
+              }
+            },
+            "required": [
+              "id",
+              "recordType",
+              "title",
+              "source"
+            ],
+            "type": "object"
+          },
+          "type": "array"
+        }
+      },
+      "required": [
+        "registrations",
+        "renewals",
+        "recordations",
+        "terminations",
+        "cancellations"
+      ],
+      "type": "object"
+    },
+    "evidenceGaps": {
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    "freshness": {
+      "additionalProperties": true,
+      "properties": {
+        "currentEvidenceUsable": {
+          "type": "boolean"
+        },
+        "currentLookupAttempted": {
+          "type": "boolean"
+        },
+        "currentLookupVerified": {
+          "description": "Narrow compatibility summary. True only when the bounded current lookup completed without normalization rejection; it does not mean exhaustive coverage.",
+          "type": "boolean"
+        },
+        "error": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        },
+        "evidenceStatus": {
+          "enum": [
+            "usable",
+            "usable_no_qualifying_match",
+            "partial",
+            "partial_no_qualifying_match",
+            "zero_hits",
+            "normalization_failed",
+            "unavailable"
+          ]
+        },
+        "fallback": {
+          "type": "object"
+        },
+        "observation": {
+          "type": "object"
+        },
+        "observedAt": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        },
+        "parsingStatus": {
+          "enum": [
+            "succeeded",
+            "failed",
+            "not_completed",
+            "not_attempted"
+          ]
+        },
+        "queryCompletedAt": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        },
+        "queryStartedAt": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        },
+        "schemaVersion": {
+          "const": "filmrightsproof-freshness.v2"
+        },
+        "searchScope": {
+          "anyOf": [
+            {
+              "type": "object"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        },
+        "sourceMix": {
+          "type": "object"
+        },
+        "transportStatus": {
+          "enum": [
+            "succeeded",
+            "failed",
+            "not_attempted"
+          ]
+        }
+      },
+      "required": [
+        "schemaVersion",
+        "currentLookupAttempted",
+        "currentLookupVerified",
+        "currentEvidenceUsable",
+        "transportStatus",
+        "parsingStatus",
+        "evidenceStatus",
+        "observation",
+        "fallback"
+      ],
+      "type": "object"
+    },
+    "legalNotice": {
+      "type": "string"
+    },
+    "limitations": {
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    "methods": {
+      "type": "object"
+    },
+    "nonInferences": {
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    "normalizedParties": {
+      "items": {
+        "additionalProperties": false,
+        "properties": {
+          "name": {
+            "type": "string"
+          },
+          "roles": {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          }
+        },
+        "required": [
+          "name"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "operation": {
+      "const": "trace_public_rights"
+    },
+    "provenance": {
+      "items": {
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "query": {
+      "type": "object"
+    },
+    "records": {
+      "items": {
+        "additionalProperties": true,
+        "properties": {
+          "id": {
+            "type": "string"
+          },
+          "recordType": {
+            "type": "string"
+          },
+          "source": {
+            "type": "object"
+          },
+          "title": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "id",
+          "recordType",
+          "title",
+          "source"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "resolvedWork": {
+      "anyOf": [
+        {
+          "type": "object"
+        },
+        {
+          "type": "null"
+        }
+      ]
+    },
+    "schemaVersion": {
+      "const": "trace-public-rights.v1"
+    },
+    "state": {
+      "type": "object"
+    },
+    "status": {
+      "enum": [
+        "recorded_lineage_found",
+        "partial_recorded_lineage",
+        "ambiguous_work_identity",
+        "no_match_within_search_scope",
+        "insufficient_public_evidence"
+      ]
+    },
+    "traceId": {
+      "type": "string"
+    },
+    "unresolvedQuestions": {
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    }
+  },
+  "required": [
+    "schemaVersion",
+    "operation",
+    "traceId",
+    "dossierId",
+    "status",
+    "query",
+    "canonicalRequest",
+    "candidates",
+    "records",
+    "evidence",
+    "normalizedParties",
+    "edges",
+    "provenance",
+    "freshness",
+    "coverage",
+    "unresolvedQuestions",
+    "nonInferences",
+    "evidenceGaps",
+    "limitations",
+    "methods",
+    "state",
+    "legalNotice"
+  ],
+  "type": "object"
+}

First observedSep 12, 2026

TDQS

A4.1/5.0

Behavior5/5

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

Annotations already declare readOnly/idempotent/openWorld/non-destructive, and the description goes well beyond them: it discloses a $2 per completed authorized invocation cost, bounded freshness, that only source-supported relationships are built, and returns provenance and ambiguity. The explicit scope-limit sentence is exactly the kind of behavioral context annotations cannot carry.

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

Conciseness4/5

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

Three sentences, front-loaded with purpose and usage condition, then behavior, then boundaries — every clause carries information. The first sentence is dense but not padded; only minor trimming would be possible without losing signal.

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

Completeness5/5

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

With an output schema present, return-shape explanation is not required, yet the description still mentions what comes back (provenance, ambiguity, bounded freshness). Combined with cost, usage condition, and explicit exclusions, an agent has everything needed to decide and call correctly.

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% for all five parameters, so the schema already documents title, year, creator, workType, and limit semantics. The description adds no per-parameter syntax, defaults, or format guidance beyond a vague 'resolve the work', 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?

States a specific verb and resource ('Trace a bounded film or television public-record rights dossier') and enumerates the pipeline steps (resolve the work, reconcile Copyright Office evidence, build source-supported relationships). It distinguishes itself from a mere lookup ('more than a simple record lookup') but stops short of naming the sibling tool search_public_records explicitly, which keeps it out of the top tier.

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

Usage Guidelines4/5

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

Gives a clear selecting condition — use this when an agent needs more than a simple record lookup — which implicitly routes simple lookups to search_public_records. It also states when NOT to rely on it (not legal clearance, not definitive ownership, not exhaustive chain of title, not private-contract analysis). It would reach 5 if it named the alternative tool directly.

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

All FilmRightsProof tools Inspect

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