Bill Commons

Connect Remote server

claude mcp add --transport http bill-commons https://mcp.billcommons.org/mcp

{
  "mcpServers": {
    "bill-commons": {
      "url": "https://mcp.billcommons.org/mcp"
    }
  }
}

{
  "servers": {
    "bill-commons": {
      "type": "http",
      "url": "https://mcp.billcommons.org/mcp"
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://mcp.billcommons.org/mcp

Tools 13 found in our last check

• search_legislation

  Search FULL BILL TEXT -- not just known-bill-number lookup. `q` is matched against titles, descriptions, AND ingested document text via Postgres websearch_to_tsquery (supports "quoted phrases", OR, and -exclusion, same syntax as a search engine), with a fuzzy pg_trgm title-simil…

• get_bill_record

  Fetch the full record for one bill: metadata, sponsors, subjects, actions, versions, and vote-event summaries. Look up by canonical bill_id (UUID), or by jurisdiction + identifier (+ optional session to disambiguate). For a human bill number like HB 123, use jurisdiction="NC", i…

• compare_bill_versions

  Deterministic diff (unified + structured) between two versions of a bill's extracted text. Defaults to earliest vs. latest texted version if version ids are omitted. Errors if fewer than 2 versions have extracted text. Result is labeled 'derived' (computed by Bill Commons, not a…

• find_similar_bills

  Find bills with similar titles via deterministic trigram similarity, across jurisdictions. Labeled 'derived' -- not an official cross-reference or companion-bill designation.

• get_vote_details

  Fetch vote event(s) with member-level (yes/no/other/absent) vote records. Provide vote_event_id for one vote, or bill_id for all recorded votes on that bill.

• trace_legislative_history

  Full chronological legislative history for a bill: merged timeline of actions, version publications, and votes, plus related-bill links.

• build_legislative_evidence_packet

  Compile a citation-ready evidence packet for a bill: full official record, legislative history timeline, votes with member-level detail, and hearings -- each explicitly labeled official vs. derived with source URLs. Returns a `how_to_cite` block with a one-line `cite_as` sentenc…

• get_jurisdiction_coverage

  Return the jurisdiction_coverage state-machine status for one state (abbreviation or name), or the full stored coverage matrix if state is omitted. Public-registry and unlisted row counts are explicit. Includes bounded retained official-source observation health and evidence lin…

• get_active_sessions

  List legislative sessions currently flagged active, optionally filtered by jurisdiction (two-letter state code or name).

• list_topics

  List Bill Commons' curated cross-state topic trackers (e.g. artificial intelligence, youth online safety, platform accountability, cybersecurity, cryptocurrency, data privacy, local government & preemption) -- the entry point for "what subjects does Bill Commons track across all…

• search_policy_developments

  Search Bill Commons' bounded, source-labelled frontier-AI policy registry. This is not a comprehensive global or federal legislative database. It returns only the curated records currently held by the registry, including its coverage statement and retrieval timestamps. Use `juri…

• get_policy_development

  Retrieve one full, source-labelled policy development by its stable slug. The response can include cited sources, normalized obligations, explicit analysis-only verification mappings, and recorded change history. A null response means only that the slug is absent from this bound…

• build_policy_brief

  Build a citation-first comparison of one to twelve registry records. The brief preserves the registry's methodology and limitations and does not produce legal advice, compliance determinations, or a claim that the selected set is exhaustive. Supply stable slugs returned by `sear…

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