Nonprofit compliance rules for all 50 US states, each with its official citation and status
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add --transport http 501c3-help-nonprofit-compliance https://mcp.501c3.help/~/.codex/config.toml
[mcp_servers.501c3-help-nonprofit-compliance]
url = "https://mcp.501c3.help/"
# codex mcp add 501c3-help-nonprofit-compliance --url https://mcp.501c3.help/~/.cursor/mcp.json
{
"mcpServers": {
"501c3-help-nonprofit-compliance": {
"url": "https://mcp.501c3.help/"
}
}
}.vscode/mcp.json
{
"servers": {
"501c3-help-nonprofit-compliance": {
"type": "http",
"url": "https://mcp.501c3.help/"
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"501c3-help-nonprofit-compliance": {
"httpUrl": "https://mcp.501c3.help/"
}
}
}claude_desktop_config.json · Customize › Connectors › Add custom connector
{
"mcpServers": {
"501c3-help-nonprofit-compliance": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://mcp.501c3.help/"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"501c3-help-nonprofit-compliance": {
"url": "https://mcp.501c3.help/"
}
}
}