MCP server

Congress

io.github.pipeworx-io/congress

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Congress MCP — US Congress bill/law/member data via the official congress.gov API (Library of…

Website Source

At a glance

Type

MCP server

Publisher

pipeworx.io (verified by the MCP Registry)

Status

Working at last check

Tools

52

Token cost

About 30,249 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http congress https://gateway.pipeworx.io/congress/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.congress]
url = "https://gateway.pipeworx.io/congress/mcp"

Gemini CLI

{"mcpServers":{"congress":{"httpUrl":"https://gateway.pipeworx.io/congress/mcp"}}}

Cursor

{"mcpServers":{"congress":{"url":"https://gateway.pipeworx.io/congress/mcp"}}}

VS Code

{"servers":{"congress":{"type":"http","url":"https://gateway.pipeworx.io/congress/mcp"}}}

Antigravity

agy mcp add congress https://gateway.pipeworx.io/congress/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"congress","server_url":"https://gateway.pipeworx.io/congress/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"congress","server_url":"https://gateway.pipeworx.io/congress/mcp"}

Tools

• committee_leadership ~273 tokens
  ANSWERS "who chairs X committee" / "who are the ranking members of every House committee" / "list of committee chairs in Congress" — returns EVERY standing committee in one chamber (or all three chambers) of the 119th Congress with its chair and ranking member (name, party, bioguide id). Pass chambe
• committee_members ~664 tokens
  ANSWERS "who is on the House Appropriations committee" / "roster of the Senate Judiciary committee" / "Democratic members of Ways and Means" / "chair of the Armed Services Subcommittee on Cybersecurity" — returns one committee OR SUBCOMMITTEE's full membership with each member's party, rank and titl
• get_bill ~330 tokens
  Look up one congressional bill from congress.gov (the Library of Congress's official API) by its real-world identifier — congress number, bill type and bill number, e.g. the 118th Congress H.R. 1. Returns title, sponsor, current status (congress.gov's free-text `latestAction`) with its date, introdu
• get_members ~112 tokens
  Get current members of Congress with their name, party, state, district (for representatives), chamber and first term-start year, from congress.gov. Requires an API key (see get_bill).
• get_public_laws ~258 tokens
  ANSWERS "how many public laws has the 119th Congress passed" / "most recent public law" / "list of laws enacted this Congress" — returns public (or private) laws enacted in one Congress, from congress.gov's official /law endpoint. GovTrack never had an equivalent endpoint at all. Returns the total c
• get_recent_bills ~417 tokens
  List the most recent congressional bills — newest first by introduction date or by latest update — from congress.gov. This tool takes NO subject or keyword: it returns whatever Congress touched most recently, so it can only answer OPEN-ENDED recency questions — "what bills were introduced this week"
• get_votes ~761 tokens
  ANSWERS "how did the Senate vote on X" / "recent House roll calls" / "cloture vote tally" — recent roll-call votes for ONE chamber, newest first within that chamber + session. House votes come from the Clerk of the House's own records (via congress.gov's official API), addressed directly by roll-cal
• member_committees ~242 tokens
  ANSWERS "what committees is X on" / "committee assignments for Senator X" — returns every committee and subcommittee assignment (committee name, chamber, rank, title) for one member of the 119th Congress, identified by their bioguide id (the standard Congress.gov/GovInfo member identifier, e.g. "N00
• member_legislative_stats ~303 tokens
  ANSWERS "how many bills has Rep. X sponsored", "how bipartisan is Senator Y", "what share of X's bills have other-party cosponsors" — legislative activity statistics for ONE member of Congress in one Congress, computed from congress.gov records: bills sponsored, bills cosponsored, sponsored bills th
• search_bills ~586 tokens
  ANSWERS "what bills about X has Congress introduced" / "recent congressional bills on X" / "federal legislation about X" / "find the <Named> Act" — searches US FEDERAL congressional bills (US House & Senate, national laws) BY BILL NAME, SUBJECT OR KEYWORD, including recently introduced ones. Full-te

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