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IRS 990 Nonprofit Data

Official registry Other

Nonprofit lookup and IRS 990 filing data: revenue, assets, and compensation via ProPublica

Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http irs-990-nonprofit-data 'https://mcp.olyport.com/irs-990/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "irs-990-nonprofit-data": {
            "type": "http",
            "url": "https://mcp.olyport.com/irs-990/mcp"
        }
    }
}

Frequently asked questions

What is IRS 990 Nonprofit Data?

Nonprofit lookup and IRS 990 filing data: revenue, assets, and compensation via ProPublica

How do I install IRS 990 Nonprofit Data?

It runs as a remote server. In Claude Code: claude mcp add --transport http irs-990-nonprofit-data 'https://mcp.olyport.com/irs-990/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does IRS 990 Nonprofit Data need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Who maintains IRS 990 Nonprofit Data?

It is published by com.olyport. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.