Search and explore 1.8M+ US nonprofits, fetch Form 990 financials, and access IRS filing history via MCP. STDIO or Streamable HTTP.
Quick Install
Copy the config for your editor. Some servers may need additional setup — check the README.
Add to claude_desktop_config.json:
{
"mcpServers": {
"nonprofit-explorer-m": {
"command": "npx",
"args": [
"-y",
"cyanheads/nonprofit-explorer-mcp-server"
]
}
}
}
Run in terminal:
claude mcp add nonprofit-explorer-m npx -y cyanheads/nonprofit-explorer-mcp-server
Add to .cursor/mcp.json:
{
"mcpServers": {
"nonprofit-explorer-m": {
"command": "npx",
"args": [
"-y",
"cyanheads/nonprofit-explorer-mcp-server"
]
}
}
}