Name: openstates-mcp-server
Author: cyanheads

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Description

openstates_search_bills

Search state legislative bills across all covered US jurisdictions with full-text search, jurisdiction/session filtering, subject tags, and sponsor lookups

openstates_get_bill

Fetch full detail for a specific bill by OCD ID or three-part path (jurisdiction + session + bill_id)

openstates_search_people

Search state legislators and officials by name, jurisdiction, chamber, district, or party

openstates_get_legislators_by_location

Find all legislators representing a geographic coordinate (latitude/longitude)

openstates_search_committees

List committees for a jurisdiction (experimental — not all states have coverage)

openstates_get_committee

Fetch committee detail by OCD organization ID, with optional membership roster

openstates_search_events

Search hearings, floor sessions, and committee meetings (experimental)

openstates_get_event

Fetch full event detail including agenda, participants, and media links

openstates_list_jurisdictions

List all 52 jurisdictions covered by Open States with session identifiers and coverage metadata

openstates_get_jurisdiction

Fetch full metadata for a specific jurisdiction including all legislative sessions and their identifiers

@cyanheads/openstates-mcp-server

Search bills, legislators, committees, and events across all 50 US states, DC, and Puerto Rico via MCP. STDIO or Streamable HTTP.

10 Tools • 1 Resource • 2 Prompts

Public Hosted Server: https://openstates.caseyjhand.com/mcp

Tools

10 tools covering the full Open States v3 API surface — bills, legislators, committees, events, and jurisdictions:

Tool	Description
`openstates_search_bills`	Search state legislative bills across all covered US jurisdictions with full-text search, jurisdiction/session filtering, subject tags, and sponsor lookups
`openstates_get_bill`	Fetch full detail for a specific bill by OCD ID or three-part path (jurisdiction + session + bill_id)
`openstates_search_people`	Search state legislators and officials by name, jurisdiction, chamber, district, or party
`openstates_get_legislators_by_location`	Find all legislators representing a geographic coordinate (latitude/longitude)
`openstates_search_committees`	List committees for a jurisdiction (experimental — not all states have coverage)
`openstates_get_committee`	Fetch committee detail by OCD organization ID, with optional membership roster
`openstates_search_events`	Search hearings, floor sessions, and committee meetings (experimental)
`openstates_get_event`	Fetch full event detail including agenda, participants, and media links
`openstates_list_jurisdictions`	List all 52 jurisdictions covered by Open States with session identifiers and coverage metadata
`openstates_get_jurisdiction`	Fetch full metadata for a specific jurisdiction including all legislative sessions and their identifiers

`openstates_search_bills`

Search state legislative bills with rich filtering and inline related data.

Full-text search across bill titles, abstracts, and text (q)
Filter by jurisdiction (state name, two-letter abbreviation, or OCD-ID), session, chamber, classification, subject tags, and sponsor
Sort by latest action, first action, or update time — use sort=latest_action_desc for bills currently moving through the legislature
include parameter requests sponsorships, actions, votes, abstracts, versions, and related bills inline — eliminates follow-up openstates_get_bill calls for most research workflows
action_since and updated_since date filters for change-tracking
Pagination up to 20 results per page
Empty-result recovery: echoes applied filters and suggests how to broaden

`openstates_get_bill`

Fetch complete bill detail by OCD ID or path lookup.

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@cyanheads/openstates-mcp-server

Tools

`openstates_search_bills`

`openstates_get_bill`

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Tools

`openstates_search_bills`

`openstates_get_bill`