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Federal Regulations

Official registry Government and legal

Search the Federal Register, read & diff CFR sections, query Regulations.gov. Any LLM supported.

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

PYPI package regulations-mcp
Claude Code 
claude mcp add federal-regulations -e 'REGULATIONS_GOV_API_KEY=<your regulations_gov_api_key>' -- uvx regulations-mcp==0.1.0
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "federal-regulations": {
            "command": "uvx",
            "args": [
                "regulations-mcp==0.1.0"
            ],
            "env": {
                "REGULATIONS_GOV_API_KEY": "<your regulations_gov_api_key>"
            }
        }
    }
}

Environment variables

  • REGULATIONS_GOV_API_KEY secret Free API key from api.regulations.gov — only needed for regulations.gov search tools. Federal Register and eCFR tools work without any key.

Frequently asked questions

What is Federal Regulations?

Search the Federal Register, read & diff CFR sections, query Regulations.gov. Any LLM supported.

How do I install Federal Regulations?

It runs on your machine. In Claude Code: claude mcp add federal-regulations -e 'REGULATIONS_GOV_API_KEY=<your regulations_gov_api_key>' -- uvx regulations-mcp==0.1.0. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Federal Regulations need an API key?

Yes. It expects REGULATIONS_GOV_API_KEY, which you set in its configuration.

Who maintains Federal Regulations?

It is published by stark256-spec. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.