Verify any 501(c)(3) by EIN, search 1.9M IRS-registered nonprofits by name or location, and compare the largest charities in any city — no spreadsheet required.
For: Foundations, DAF Administrators, Grant Officers, Prospect Researchers

Each example opens the app pre-loaded with this query.


Same data, different audiences.
IRS Tax-Exempt Organizations — live data product, refresh cadence + sources documented.
Open datasetUse the same data from Claude, Cursor or ChatGPT. AI agents can call every tool the app uses.
Open Chat & MCPSearch and verify 1.9M+ IRS-registered tax-exempt organizations. EIN lookup, fuzzy name search, location browse, 501(c)(3) verification, and financial data. Updated daily from the IRS Exempt Organizations Business Master File.