Reverse engineer anything with agents, from app behavior down to native binaries.
501c3.HELP nonprofit compliance
Nonprofit compliance rules for all 50 US states, each with its official citation and status
Install
One-click install
Remote serverClaude Code (no install link, copy and run)
$
claude mcp add --transport http 501c3-help-nonprofit-complianc https://mcp.501c3.help/Buttons open the app on your computer and ask you to confirm before anything is added.
$
claude mcp add --transport http 501c3-help-nonprofit-complianc https://mcp.501c3.help/mcp.json (Cursor, Claude Desktop, Windsurf)
{
"mcpServers": {
"501c3-help-nonprofit-complianc": {
"url": "https://mcp.501c3.help/"
}
}
}Install command taken from the project's README or registry entry. Always review code before running it.
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