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MCP OpenFEC Server

@psalzman

Repository

Basic information

Category

Other

Transports

stdio

Author

psalzman

About MCP OpenFEC Server

A Model Context Protocol (MCP) server that provides access to Federal Election Commission (FEC) campaign finance data through the OpenFEC API.

#mcp-openfec#campaign-finance#openfec-api

MCP OpenFEC Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "openfec": {
      "command": "node",
      "args": [
        "/absolute/path/to/mcp-openfec/build/server.js"
      ],
      "env": {
        "OPENFEC_API_KEY": ""
      }
    }
  }
}

MCP OpenFEC Server tools

Tool list not available yet

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Overview

What is MCP OpenFEC Server?

An MCP server that provides access to Federal Election Commission (FEC) campaign finance data through the OpenFEC API. It is designed for developers and researchers who need to query campaign contributions, candidate details, committee data, and filings programmatically.

How to use MCP OpenFEC Server?

Requires Node.js v16 or higher and an OpenFEC API key. Clone the repository, install dependencies, set the API key in a .env file, build the server, then configure it in Claude Desktop by adding the absolute path to the built server.js and the API key in the env section.

Key features of MCP OpenFEC Server

  • Search candidates by name, state, or office
  • Get detailed candidate information and financials
  • Access committee information
  • View individual contributions
  • Track independent expenditures
  • Access FEC filings and audit cases

Use cases of MCP OpenFEC Server

  • Analyze campaign finance data for research projects
  • Research candidates’ financial backgrounds
  • Monitor independent expenditures for journalism
  • Access official FEC filings and audit findings
  • Download bulk FEC data for offline analysis

Frequently asked questions

1

What is the rate limit?

1000 requests per hour, enforced by the server to comply with OpenFEC API guidelines.

2

Do I need an API key?

Yes, you must obtain a free OpenFEC API key from api.data.gov.

3

Where is the Claude Desktop configuration file located?

On macOS: `~/Library/Application Support/Claude/claude_desktop_config.json`. On Windows: `%APPDATA%\Claude\claude_desktop_config.json`. On Linux: `~/.config/Claude/claude_desktop_config.json`.

4

What Node.js version is required?

Node.js version 16 or higher is required.

5

How do I rebuild the server after making changes?

Run `npm run build` in the project root directory.

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