Official MCP RegistryHosted servermcp.501c3.helpv0.1.1
501c3.HELP nonprofit compliance
Nonprofit compliance rules for all 50 US states, each with its official citation and status
Connect to Claude Code
Copyclaude mcp add --transport http 501c3-help-nonprofit-compliance https://mcp.501c3.help/Vendor-hosted remote server: nothing to install locally. If it uses OAuth, Claude opens the vendor login on first use.
Endpoints
- https://mcp.501c3.help/streamable-http
Published in the official MCP registry as “help.501c3/compliance”. Verified through the vendor namespace.