Search and explore 1.8M+ US nonprofits, fetch Form 990 financials, and access IRS filing history via MCP. STDIO or Streamable HTTP.
Latest release v0.2.0 — v0.2.0: Form-aware nonprofit financials · 22 Oct 2026
2 files for Codex, OpenCode and Claude Code: nonprofit-explorer-mcp-server AGENTS.md, nonprofit-explorer-mcp-server CLAUDE.md — 12,648 tokens loaded in every session.
AGENTS.md A 6,324 tok CLAUDE.md A 6,324 tok These files are cyanheads/nonprofit-explorer-mcp-server's own configuration — they tell Codex, OpenCode and Claude Code how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.