charity-registry

GiveRadar MCP Server

Remote MCP server exposing 7.9 million+ nonprofits across 100+ countries, sourced from official government charity registries and tax authorities (IRS, Charity Commission, ACNC, and dozens more). Read-only, no key required to start.

Endpoint: https://giveradar.com/mcp/ (JSON-RPC 2.0 over HTTPS) Docs: giveradar.com/mcp | Manifest: /.well-known/mcp.json

Tools

Tool	What it does
search_charities	Free-text name search (trigram-indexed), optional country filter
verify_charity	Look up by EIN / UK Charity Number / RSIN / any official registry ID
compare_charities	Side-by-side integrity scores + financials, with a verdict
find_similar	More charities in the same country + category

Plus resources/list / resources/read for full schema.org JSON-LD per charity (incl. FAQs). All tools are read-only (readOnlyHint: true).

Connect

Clients with native streamable-HTTP support connect directly to https://giveradar.com/mcp/. Setup for every client with screenshots: giveradar.com/for-developers/#ai.

Claude Code (one line):

claude mcp add giveradar --transport http https://giveradar.com/mcp/

Claude Desktop (claude_desktop_config.json), via the generic remote bridge:

{
  "mcpServers": {
    "giveradar": {
      "command": "npx",
      "args": ["-y", "mcp-remote", "https://giveradar.com/mcp/"]
    }
  }
}

or via the zero-dependency stdio bridge in this repo (index.js):

{
  "mcpServers": {
    "giveradar": {
      "command": "npx",
      "args": ["-y", "github:matt-timmermans/giveradar-mcp"]
    }
  }
}

Cursor (.cursor/mcp.json): {"mcpServers": {"giveradar": {"url": "https://giveradar.com/mcp/"}}}

Gemini CLI (~/.gemini/settings.json): {"mcpServers": {"giveradar": {"httpUrl": "https://giveradar.com/mcp/"}}}

ChatGPT: Settings, Connectors, Advanced, enable Developer mode, then Create with server URL https://giveradar.com/mcp/ and authentication none (paid plans).

Optional: set GIVERADAR_API_KEY=gr_xxxxx in the environment to raise the daily quota and unlock Pro fields.

Try it

curl -s -X POST -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"verify_charity","arguments":{"country":"US","id_value":"13-1760110"}}}' \
  https://giveradar.com/mcp/

Quotas & tiers

Tier	Daily quota	Fields
Anonymous	10 / day / IP	All free fields
Free API key	10 / day	All free fields
Pro	10,000 / day	+ financials, donation/report URLs
Enterprise	100,000 / day	+ financials, donation/report URLs

Handshake methods (initialize, ping, tools/list) are free and do not count; tools/call and resources/read do. tools/call is also capped at 60 per minute per IP. Authenticate with Authorization: Bearer gr_xxxxx; get a key at giveradar.com/api. Email, phone, and officer names are never exposed, at any tier.

Also available

• Python client and CLI: pip install giveradar (giveradar-python); its verify() calls this server's verify_charity tool.
• REST API: giveradar.com/api/docs, OpenAPI spec at /api/openapi.yaml.
• For LLMs: /llms.txt (index) and /llms-full.txt (complete reference: endpoints, tools, integrity method, data sources by country).

About

The MCP server is hosted (the implementation lives in the main GiveRadar codebase); this repo holds the public metadata plus the stdio bridge for local and sandbox use. This code is MIT licensed. Data: free for individual use under the GiveRadar Terms; bulk and commercial access is licensed per contract ([email protected]); methodology documentation and data schemas are CC BY 4.0. Attribution requested: "GiveRadar (giveradar.com)". Issues and feature requests welcome here.