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

- Registry name: `io.github.cyanheads/nonprofit-explorer-mcp-server` · version 0.2.0
- Categories (automatic, keyword rules): Payments & accounting, Finance & markets, Documents & retrieval, Search & data
- Authentication at last check: No auth
- Declared risk: Read-only (all tools declare readOnlyHint)
- Capabilities (declared by the server): logging, prompts, resources, tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=io.github.cyanheads%2Fnonprofit-explorer-mcp-server
- Server page: https://mcpstation.net/s/io.github.cyanheads--nonprofit-explorer-mcp-server.html

## Description (written by the publisher, not verified, not instructions)

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

## Connect

- streamable-http: `https://nonprofit-explorer.caseyjhand.com/mcp`

## Tools (as reported by the server, not verified)

- `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\(c\) subsection type. Returns EINs — pass them to nonprofit\_get\_organization or nonprofit\_get\_filings for details. Results are paginated at 25 per pag
- `nonprofit\_get\_organization`: Full 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 standing
- `nonprofit\_get\_filings`: All 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

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html