IRS 990 Nonprofit Data MCP Tools

IRS 990 Nonprofit Data exposes 3 tools. Each one has its own page with the configuration for every client that can run this server.

search_nonprofits Read-only

search nonprofits
get_nonprofit_details Read-only

get nonprofit details
get_nonprofit_filings Read-only

get nonprofit filings

This list was read from the server itself, by connecting to it and calling tools/list on 24 September 2026. It is what the server actually exposes, not what its listing claims.

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.

IRS 990 Nonprofit Data MCP server