Commons Votes MCP Server

UK House of Commons Votes

Official UK Parliament API for House of Commons division (voting) records. No authentication required.

Data Model

• Division — A formal vote in the House of Commons. MPs walk through Aye or No lobbies.
• DivisionId — Unique integer identifier for each division.
• Number — Session-specific division number (resets each parliamentary session).
• Title — Description of what was voted on (bill amendment, motion, etc.).
• AyeCount / NoCount — Total votes for and against.
• Tellers — MPs who count the votes (2 per side, listed in AyeTellers / NoTellers).
• Ayes / Noes — Full list of MPs and how they voted (only in single-division detail).

Key Patterns

• Search endpoint: /data/divisions.json/search with query parameters.
• Single division: /data/division/{id}.json (note: singular "division", not "divisions").
• Date filtering: queryParameters.startDate and queryParameters.endDate (ISO format).
• Text search: queryParameters.searchTerm searches division titles.
• Member filtering: queryParameters.memberId filters to divisions where a specific MP voted.
• Pagination: queryParameters.skip and queryParameters.take (default take=25).

Gotchas

• Singular vs plural: Search uses /divisions.json/search, detail uses /division/{id}.json.
• Date format: ISO 8601 dates (YYYY-MM-DD).
• Large responses: Single division detail includes every MP's vote — can be 650+ entries.
• Deferred divisions: Some divisions are deferred (held later), indicated by IsDeferred: true.
• EVEL: English Votes for English Laws divisions have EVELType and EVELCountry fields.