Nonprofit Explorer Mcp Server

Overview

Nonprofit Explorer is an MCP server that brings IRS Form 990 financial data from ProPublica into your AI workflow. Access detailed financials for over 1.8 million nonprofits through callable tools, eliminating the need to manually search and copy data between applications.

Run Nonprofit Explorer two ways: connect to the hosted endpoint at https://nonprofit-explorer.caseyjhand.com/mcp without any local setup, or install it locally using npx -y @cyanheads/nonprofit-explorer-mcp-server. The server requires no authentication and runs on v0.1.8 under the Apache-2.0 license. Source code is available at cyanheads/nonprofit-explorer-mcp-server on GitHub.

Nonprofit Explorer belongs in the AI & Agents category and works with any MCP client including Claude Desktop, Claude Code, Cursor, VS Code, Windsurf, and Zed. If you maintain this server, claim this listing to verify ownership and keep information up to date.

Installation

Settings → Connectors → Add custom connector
Name: Nonprofit Explorer Mcp Server
URL:  https://nonprofit-explorer.caseyjhand.com/mcp