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501c3.HELP nonprofit compliance

Official registry Security

Nonprofit compliance rules for all 50 US states, each with its official citation and status

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 501c3-help-nonprofit-compliance 'https://mcp.501c3.help/'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "501c3-help-nonprofit-compliance": {
            "type": "http",
            "url": "https://mcp.501c3.help/"
        }
    }
}

Frequently asked questions

What is 501c3.HELP nonprofit compliance?

Nonprofit compliance rules for all 50 US states, each with its official citation and status

How do I install 501c3.HELP nonprofit compliance?

It runs as a remote server. In Claude Code: claude mcp add --transport http 501c3-help-nonprofit-compliance 'https://mcp.501c3.help/'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does 501c3.HELP nonprofit compliance 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 501c3.HELP nonprofit compliance?

It is published by help.501c3. 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.