All servers · Payments & accounting · Documents & retrieval
io.github.cyanheads/nonprofit-explorer-mcp-server
io.github.cyanheads/nonprofit-explorer-mcp-server · v0.2.0
New (7 days)Tools changed (7 days)
Measured by MCP Station
| Last check | Reachable |
|---|---|
| Checked at | — |
| Check success 7 / 30 days | — |
| First-try success 30 days | — |
| Median response | — |
| Lookups 30 days | — |
| Authentication | No auth |
| MCP version | 2025-06-18 |
| Rank score | — |
| Declared risk | Read-only (all tools declare readOnlyHint) |
| Capabilities declared | logging, prompts, resources, tools |
| Tool definitions | 3 tools · with description 100% · input schema is an object 100% · read/destructive hints 100% |
Description written by the publisher, not verified
MCP server for nonprofit financials via ProPublica: IRS Form 990 data for 1.8M+ nonprofits.
Connect
streamable-http · https://nonprofit-explorer.caseyjhand.com/mcp
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"
}
}
}Tools as reported by the server
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 paginated at 25 per pagnonprofit_get_organizationFull profile for a single tax-exempt org by EIN: legal name, address, NTEE classification, 501(c) type, IRS ruling date, and a financial snapshot from the most recent Form 990 filing (revenue, expenses, assets, net assets, and the source PDF link). Also returns the IRS Business Master File standingnonprofit_get_filingsAll Form 990 filings for a tax-exempt org by EIN: year-by-year revenue, expenses, assets, liabilities, net assets, revenue breakdown, executive compensation, and source PDF links. Use for trend analysis, due diligence, and accessing primary 990 documents. The filing year (tax_prd_yr) is the fiscal y
Tool changes
- 2026-10-23: nonprofit_search_organizations, nonprofit_get_organization, nonprofit_get_filings
- 2026-10-16: nonprofit_search, nonprofit_get_organization, nonprofit_get_filings
Repository · JSON · Text for agents · Registry updated 2026-10-22