Washington State Legislature MCP Server

A Model Context Protocol (MCP) server that provides AI assistants with access to Washington State Legislature data, enabling civic engagement through conversational interfaces.

Remote serversse

What is the Washington State Legislature MCP Server?

Washington State Legislature MCP Server is an MCP project maintained in the awalcutt/wa-leg-mcp repository. The maintainer describes its purpose as “A Model Context Protocol (MCP) server that provides AI assistants with access to Washington State Legislature data, enabling civic engagement through conversational interfaces”. Read the project documentation for the complete scope.

Hosted connection

The maintainer’s configuration uses https://your-api-gateway-url/sse. It declares sse transport. Check the project’s account and authentication instructions when adding the endpoint to your client.

Source

Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.

Recorded tools

Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.

Tool	What it does
bill_number	integer, required): Bill number as an integer (e.g., 1234 for HB1234)
biennium	string, optional): Legislative biennium in format "2025-26" (defaults to current)
query	string, required): Search query text (e.g., "climate change", "transportation")
bienniums	array, optional): List of bienniums to search (format: "YYYY-YY"), defaults to current
agency	string, optional): Filter by originating agency ("House" or "Senate")
max_results	integer, optional): Maximum number of total results to return (max 100)
year	string, optional): Year in format "YYYY" (e.g., "2025"), defaults to current
active_only	boolean, optional): If True, only return active bills
start_date	string, required): Start date in YYYY-MM-DD format
end_date	string, required): End date in YYYY-MM-DD format
committee	string, optional): Filter by specific committee
chamber	string, optional): Chamber name - "House" or "Senate" (optional if bill_number is unique across chambers)
document_type	string, optional): "bill", "amendment", "report"
bill_format	string, optional): Document format - "xml" (default), "htm", or "pdf"

How to install the Washington State Legislature MCP Server

{
  "mcpServers": {
    "wa-leg": {
      "command": "npx",
      "args": [
        "mcp-remote",
        "https://your-api-gateway-url/sse"
      ]
    }
  }
}

From the project documentation. Replace placeholders and example paths before connecting.