Propublica Nonprofit MCP Server: Install & Setup

Install Propublica Nonprofit in Claude Code

Remote URL

Claude Code

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

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "propublica-nonprofit": {
      "url": "https://gateway.pipeworx.io/propublica-nonprofit/mcp"
    }
  }
}

npm

Claude Code

claude mcp add propublica-nonprofit -- npx -y @pipeworx/mcp-propublica-nonprofit

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "propublica-nonprofit": {
      "command": "npx",
      "args": [
        "-y",
        "@pipeworx/mcp-propublica-nonprofit"
      ]
    }
  }
}

Frequently asked questions

What does the Propublica Nonprofit MCP server do?

ProPublica Nonprofit MCP — ProPublica Nonprofit Explorer API (free, no auth)

Is the Propublica Nonprofit MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Propublica Nonprofit run locally or remotely?

Local + Remote. Can run locally or be used as a hosted remote server.

How do I add Propublica Nonprofit to Claude Code?

Run: claude mcp add --transport http propublica-nonprofit https://gateway.pipeworx.io/propublica-nonprofit/mcp

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