501c3.HELP nonprofit compliance

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How to connect

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "501c3-help-nonprofit-compliance": {
      "type": "http",
      "url": "https://mcp.501c3.help/"
    }
  }
}

3 tools

• get_state_requirements

  Nonprofit compliance requirements for one US state, from 501c3.help's sourced records: formation, governance, charitable solicitation registration, reporting, tax and employment. Every record carries its official citation and a verification status. Records marked review_required…

• compare_states

  The same compliance topic across several US states, for deciding where to incorporate or for an organization that operates in more than one state. Each state's records carry their own citation and verification status; a record marked review_required is unsettled and must not be…

• get_filing_deadlines

  Every requirement in one US state that has a filing deadline attached, with the deadline in plain words, the form or portal, the fee, and the official citation. Use this for 'what is due and when'. Deadlines on records marked review_required are not settled and must be shown as…

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