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nonprofit-explorer-mcp-server

MCP server by github.com/cyanheads/nonprofit-explorer-mcp-server

MCP server for nonprofit financials via ProPublica — IRS Form 990 data for 1.8M+ nonprofits.

2 starsnpm: @cyanheads/nonprofit-explorer-mcp-server

About nonprofit-explorer-mcp-server

nonprofit-explorer-mcp-server is an MCP (Model Context Protocol) server published by cyanheads in the official MCP registry. MCP server for nonprofit financials via ProPublica — IRS Form 990 data for 1.8M+ nonprofits.

It ships as an npm package (@cyanheads/nonprofit-explorer-mcp-server), so any MCP client that can launch a local process can run it.

Development happens in the open at github.com/cyanheads/nonprofit-explorer-mcp-server, where the project has earned 2 GitHub stars.

Use nonprofit-explorer-mcp-server with your agent

Claude Code · one command
claude mcp add nonprofit-explorer-mcp-server -- npx -y @cyanheads/nonprofit-explorer-mcp-server
Claude Desktop, Cursor & other MCP clients · config
{
  "mcpServers": {
    "nonprofit-explorer-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/nonprofit-explorer-mcp-server"
      ]
    }
  }
}
npm@cyanheads/nonprofit-explorer-mcp-server

Frequently asked questions

What is nonprofit-explorer-mcp-server?
nonprofit-explorer-mcp-server is an MCP (Model Context Protocol) server by cyanheads. MCP server for nonprofit financials via ProPublica — IRS Form 990 data for 1.8M+ nonprofits.
How do I connect nonprofit-explorer-mcp-server to Claude, Cursor, or another MCP client?
Install nonprofit-explorer-mcp-server from its npm package (@cyanheads/nonprofit-explorer-mcp-server) and register it under "mcpServers" in your client's MCP configuration — for example claude_desktop_config.json or Cursor's mcp.json — then restart the client.
Is nonprofit-explorer-mcp-server open source?
Yes — the source code is public at github.com/cyanheads/nonprofit-explorer-mcp-server, with 2 GitHub stars.
Can AI agents pay to use nonprofit-explorer-mcp-server?
Not yet through Loomal — nonprofit-explorer-mcp-server is listed as a free directory entry. If its maintainer verifies ownership, they can set per-call USDC pricing that agents pay over x402, with settlement on Base.

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Listing data from the official MCP registry and GitHub, refreshed periodically. Not affiliated with the maintainer unless claimed. Maintain nonprofit-explorer-mcp-server? Claim this listing free by verifying GitHub ownership, or contact us.