Nonprofit Explorer Mcp Server
MCP server for nonprofit financials via ProPublica: IRS Form 990 data for 1.8M+ nonprofits.
Connect Remote server
claude mcp add --transport http nonprofit-explorer-mcp-server https://nonprofit-explorer.caseyjhand.com/mcp
{
"mcpServers": {
"nonprofit-explorer-mcp-server": {
"url": "https://nonprofit-explorer.caseyjhand.com/mcp"
}
}
}
{
"servers": {
"nonprofit-explorer-mcp-server": {
"type": "http",
"url": "https://nonprofit-explorer.caseyjhand.com/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://nonprofit-explorer.caseyjhand.com/mcp
Tools 3 found in our last check
nonprofit_search_organizationsSearch 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) subsection type. Returns EINs — pass them to nonprofit_get_organization or nonprofit_get_filings for details. Results are pa…
nonprofit_get_organizationFull profile for a tax-exempt org by EIN: legal identity, IRS classification and BMF filing requirements, latest extracted financial snapshot, and latest return metadata across extracted and PDF-only histories. Use nonprofit_search_organizations first to resolve a name to an EIN…
nonprofit_get_filingsForm 990 history by EIN with extracted financials, form-specific compensation, and PDF-only returns. Optional inclusive from_year/to_year bounds select fiscal years across both histories; omitted bounds return full history. Unfiltered totals remain available. Records are sorted…
Details
| Endpoint | https://nonprofit-explorer.caseyjhand.com/mcp (Streamable HTTP) |
| Package | @cyanheads/[email protected] (NPM, stdio) |
| Package | @cyanheads/[email protected] (NPM, streamable-http) |
| First published | 3 Nov 2026 |
| Last updated | 3 Nov 2026 |
| Registry name | io.github.cyanheads/nonprofit-explorer-mcp-server |
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