openstates-mcp-server

Search bills, legislators, committees, and events across all 50 US states, DC, and Puerto Rico.

该来源不提供完整文件导出（国内平台多为平台内托管），仅存元数据与原链

模型生成摘要（rules/v1 · 2026-09-27 16:42）：Search bills, legislators, committees, and events across all 50 US states, DC, and Puerto Rico
这是模型对公开材料的总结，不是官方声明，请以原链内容为准。

接入信息

传输形态: http
鉴权方式: 鉴权未知
端点: https://openstates-mcp-server--cyanheads.run.tools

鉴权方式未标注，请核对官方文档后再接入——不要直接使用以下片段

{
  "mcpServers": {
    "openstates-mcp-server": {
      "url": "https://openstates-mcp-server--cyanheads.run.tools"
    }
  }
}

能力清单

工具	说明
openstates_search_bills	Search state legislative bills across all covered US jurisdictions. Supports full-text search, jurisdiction/session filtering, subject tags, sponsor lookups, and sort order. Either jurisdiction or q (full-text) is required — combining both narrows results. include=sponsorships,actions returns sponsor and action history inline. sort=latest_action_desc surfaces bills currently moving. openstates_get_jurisdiction with include=legislative_sessions returns valid session identifiers for session filtering.
openstates_get_bill	Fetch full detail for a specific state bill. Accepts either the three-part path (jurisdiction + session + bill_id) or a direct OCD bill ID (openstates_id from search results). Use include to request votes, actions, sponsorships, documents, and versions in one call rather than searching again. include=votes returns the full vote tally and per-legislator positions. include=actions returns the complete action history. Prefer openstates_id when available to avoid session identifier lookup.
openstates_search_people	Search state legislators and officials by name, jurisdiction, chamber, district, or party. Supports name substring matching (case-insensitive). org_classification targets a specific chamber: "upper" for Senate, "lower" for House/Assembly, "legislature" for all legislators, "executive" for governors and executive officials. include=offices adds phone, fax, and address. include=links adds website and social links. Omitting jurisdiction searches across all states and may return a large result set.
openstates_get_legislators_by_location	Find all state legislators representing a geographic coordinate. Pass latitude and longitude to get state senators and representatives (and potentially governor/executive officials) for that location. Useful for constituent-to-representative matching, address-based policy research, and electoral boundary analysis. This server does not geocode addresses — the caller must provide decimal-degree coordinates. Use include=offices to get contact information alongside the legislator list.
openstates_search_committees	List committees for a jurisdiction. Experimental — Open States is actively working to restore committee support and not all states have data. Use chamber to scope to upper (senate) or lower (house) committees. Use classification=subcommittee to find subcommittees of a parent. Use include=memberships to get the full roster with member roles. The coverage_note field in the output will always note the experimental coverage limitations.
openstates_get_committee	Fetch committee detail by OCD organization ID. Returns name, classification, and membership roster when include=memberships is requested. Experimental — not all states have committee data in Open States. Obtain the committee_id from openstates_search_committees.
openstates_search_events	Search hearings, floor sessions, and committee meetings. Experimental — most states do not publish event data to Open States. Use after and before to scope to a date range. Set require_bills=true to filter to events with bills on the agenda, which is the most useful filter for tracking legislation through committee. Use include=agenda,participants for full meeting context. Empty results often indicate the state lacks event data rather than no events occurring.
openstates_get_event	Fetch full event detail by OCD event ID. Returns agenda, participants, media links, and associated documents when requested via include. Experimental — event coverage is limited in Open States. Obtain the event_id from openstates_search_events.
openstates_list_jurisdictions	List all jurisdictions covered by Open States — all 50 states, DC, and Puerto Rico. Returns coverage metadata: latest bill update time, latest people update time, and optionally all legislative sessions with their identifiers. Use this when you need to discover valid session identifiers for a state before calling openstates_search_bills with a session filter. The legislative_sessions include option returns all historical and current sessions — always check valid session identifiers here before using them in bill searches, since formats vary widely by state (e.g., "2025", "2025-2026", "2025rs", "2025s1").
openstates_get_jurisdiction	Fetch full metadata for a specific jurisdiction including all legislative sessions, their identifiers, and coverage dates. Use when you need to know the exact session identifier for a state before filtering bill searches — session formats vary widely (e.g., "2025", "2025rs", "2025s1"). Jurisdiction IDs follow OCD format: ocd-jurisdiction/country:us/state:{abbr}/government (e.g., ocd-jurisdiction/country:us/state:wa/government). State names (e.g., "Washington") and two-letter abbreviations (e.g., "wa") are also accepted.

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