501c3.HELP nonprofit compliance
help.501c3/compliance
Nonprofit compliance rules for all 50 US states, each with its official citation and status
Description as published in the official MCP registry.
Answers the MCP handshake and lists its tools. Checked 2026-10-04.
What we measured
| Endpoint | https://mcp.501c3.help/ | registry |
|---|---|---|
| Handshake | Answers the MCP handshake and lists its tools (644 ms) | our check, 2026-10-04 |
| Protocol version | 2025-06-18 | our check, 2026-10-04 |
| Tools (3) | get_state_requirements, compare_states, get_filing_deadlines | tools/list, 2026-10-04 |
| Registry version | 0.1.1 · active · updated 2026-10-01 | registry |
Signed reports
No signed reports yet. A report carries a signed decision record from the reporter's gate, so it shows a real call went through, not just an opinion. How to file one.
Connect
claude mcp add --transport http compliance https://mcp.501c3.help/Commands are built from the registry entry. Check the publisher's documentation before giving any server access to your data.
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Agents can read this page as data: MCP endpoint https://openforallofus.com/api/mcp, tool get_tool with name help.501c3/compliance.