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 candidate lookup. Resolve the work, reconcile maintained Copyright Office evidence, build only source-supported relationships, and return provenance, ambiguity, and bounded freshness. $0.50 per completed authorized invocation. For candidate lookup or free applicability evaluation, use filmrightsproof.search_public_records instead. 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.

Changed7 schema fields changedSep 15, 2026

addedInput schema / description

Added value: +"Identify a film, television title, or underlying creative work for bounded U.S. Copyright Office public-record research. Title is required; creator, year, and workType are disambiguation hints; limit only bounds returned or inspected candidates."

addedInput schema / examples

Added value: +[
+  {
+    "limit": 10,
+    "title": "The Godfather",
+    "workType": "motion picture",
+    "year": 1972
+  },
+  {
+    "creator": "Frank Herbert",
+    "limit": 10,
+    "title": "Dune",
+    "workType": "book"
+  }
+]

addedInput schema / properties / creator / examples
```
Added value: +[
+  "Francis Ford Coppola"
+]
```
addedInput schema / properties / limit / examples
```
Added value: +[
+  10
+]
```
addedInput schema / properties / title / examples
```
Added value: +[
+  "The Godfather"
+]
```
addedInput schema / properties / workType / examples
```
Added value: +[
+  "motion picture"
+]
```
addedInput schema / properties / year / examples
```
Added value: +[
+  1972
+]
```

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

A4.7/5.0

Behavior5/5

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

Annotations already declare readOnlyHint, openWorldHint, idempotentHint, and destructiveHint, and the description adds meaningful behavior beyond them: per-invocation cost, bounded scope, source-supported relationship building, provenance/ambiguity/freshness outputs, and explicit non-goals. It does not contradict any annotation.

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

Conciseness5/5

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

The description is dense but every sentence earns its place: the use case is front-loaded, the process is summarized, cost is stated, the sibling alternative is offered, and exclusions are listed. There is no filler or repetition.

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?

The description covers purpose, scope, cost, output characteristics, alternatives, and limitations. Since an output schema exists, detailed return values need not be repeated in prose. This is complete for an agent deciding to invoke and use the tool.

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%, so the schema already documents all five parameters thoroughly. The description adds contextual meaning about boundedness and evidence reconciliation but does not need to repeat parameter-level details. Baseline 3 is appropriate for full schema coverage.

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

Purpose5/5

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

The description uses a specific verb ('Trace') and a well-scoped object ('a bounded film or television public-record rights dossier'), and explicitly contrasts the operation with candidate lookup. It clearly distinguishes itself from the sibling tool filmrightsproof.search_public_records.

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

Usage Guidelines5/5

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

It states when to use the tool ('when an agent needs more than candidate lookup') and explicitly directs agents to the alternative for the other case ('use filmrightsproof.search_public_records instead'). It also lists what this tool is not for, which helps prevent misuse.

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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