io.github.cyanheads/nonprofit-explorer-mcp-server

up checked 2026-11-11T11:38:57.684Z

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Publisher-provided description

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

Summary by lookupd

Look up IRS Form 990 filings, financial snapshots, and profiles for tax-exempt nonprofits by EIN or search over 1.8M organizations.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http nonprofit-explorer-mcp-server https://nonprofit-explorer.caseyjhand.com/mcp

Claude Code, npm package (stdio)

claude mcp add nonprofit-explorer-mcp-server -- npx -y @cyanheads/nonprofit-explorer-mcp-server

Claude Code, npm package (stdio)

claude mcp add nonprofit-explorer-mcp-server -- npx -y @cyanheads/nonprofit-explorer-mcp-server

Codex, remote (streamable-http)

codex mcp add nonprofit-explorer-mcp-server --url https://nonprofit-explorer.caseyjhand.com/mcp

Codex, npm package (stdio)

codex mcp add nonprofit-explorer-mcp-server -- npx -y @cyanheads/nonprofit-explorer-mcp-server

Codex, npm package (stdio)

codex mcp add nonprofit-explorer-mcp-server -- npx -y @cyanheads/nonprofit-explorer-mcp-server

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "nonprofit-explorer-mcp-server": {
      "url": "https://nonprofit-explorer.caseyjhand.com/mcp"
    }
  }
}

Cursor, npm package (stdio) → .cursor/mcp.json

{
  "mcpServers": {
    "nonprofit-explorer-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/nonprofit-explorer-mcp-server"
      ]
    }
  }
}

Cursor, npm package (stdio) → .cursor/mcp.json

{
  "mcpServers": {
    "nonprofit-explorer-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/nonprofit-explorer-mcp-server"
      ]
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (3 tools)

Publisher-provided text

• nonprofit_search_organizations Search 1.8M+ IRS-recognized tax-exempt organizations by name, keyword, city, or phrase. Optionally narrow by US state, NTEE major sector (1–10), or 501(c) subse
• nonprofit_get_organization Full profile for a tax-exempt org by EIN: legal identity, IRS classification and BMF filing requirements, latest extracted financial snapshot, and latest return
• nonprofit_get_filings Form 990 history by EIN with extracted financials, form-specific compensation, and PDF-only returns. Optional inclusive from_year/to_year bounds select fiscal y

Details

• Version: 0.3.0
• Transports: streamable-http, stdio
• Uptime (7 days): 100%
• Median latency: 613 ms
• First indexed: 2026-11-01T09:26:18.394Z
• Last seen in registry: 2026-11-03T09:17:23.178Z
• Repository: https://github.com/cyanheads/nonprofit-explorer-mcp-server

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• Last crawl: 2026-11-11T18:39:04.612Z
• API base: https://api.lookupd.com
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