IRS 990 Nonprofit Data
Nonprofit lookup and IRS 990 filing data: revenue, assets, and compensation via ProPublica
Connect it
Settings → Connectors → Add custom connector
URL: https://mcp.olyport.com/irs-990/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://mcp.olyport.com/irs-990/mcp{
"mcpServers": {
"irs-990": {
"url": "https://mcp.olyport.com/irs-990/mcp"
}
}
}claude mcp add --transport http irs-990 https://mcp.olyport.com/irs-990/mcp{
"servers": {
"irs-990": {
"type": "http",
"url": "https://mcp.olyport.com/irs-990/mcp"
}
}
}3 tools, verified live
search_nonprofitsSearch for nonprofit organizations by name or keyword. Searches the ProPublica Nonprofit Explorer database of IRS 990 filers. Returns organization name, EIN, location, revenue, and tax status. Args: query: Search keywords (e.g. 'food bank', 'habitat for humanity'). state: Two-letter state abbreviation to filter by (e.g. 'CA', 'TX'). ntee_code: NTEE major categ
get_nonprofit_detailsGet detailed information about a nonprofit organization by EIN. Returns comprehensive data from the organization's IRS 990 filings including revenue, expenses, assets, executive compensation, and filing history. Use search_nonprofits first to find the EIN. Args: ein: Employer Identification Number (e.g. '13-1837418' or '131837418').
get_nonprofit_filingsGet the filing history for a nonprofit organization. Returns a list of all available IRS 990 filings for the organization, including both filings with parsed data and those without. Useful for tracking financial trends over time. Args: ein: Employer Identification Number (e.g. '13-1837418' or '131837418').
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