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990.tax nonprofit lookup

Official registry Finance and payments

IRS records on US nonprofits: exempt status, revocations, Form 990 financials, due dates, stats.

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 990-tax-nonprofit-lookup 'https://990.tax/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "990-tax-nonprofit-lookup": {
            "type": "http",
            "url": "https://990.tax/mcp"
        }
    }
}

Frequently asked questions

What is 990.tax nonprofit lookup?

IRS records on US nonprofits: exempt status, revocations, Form 990 financials, due dates, stats.

How do I install 990.tax nonprofit lookup?

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

Does 990.tax nonprofit lookup 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 990.tax nonprofit lookup?

It is published by tax.990. 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.