Community · Official remote MCP server

The eCFR.io Federal Regulations MCP server,
connected in one click.

Search and read US federal regulations with legal and inline citations linking to ecfr.io. Connect the official eCFR.io Federal Regulations MCP server to Claude, ChatGPT, or Cursor through gate — one gateway URL, no config files, security-checked.

Connect eCFR.io Federal Regulations free How it works

Free to start · No credit card · No hosting needed

Use this server

Add eCFR.io Federal Regulations to your AI in one minute

Pick your client. Copy, paste, done — or let gate handle sign-ins and policies for you.

claude mcp add --transport http ecfr-io-federal-regulations https://ecfr.io/mcp

Run in your terminal, then restart Claude Code.

eCFR.io Federal Regulations · https://ecfr.io/mcp

What you can do

What your AI can do with eCFR.io Federal Regulations

Real prompts you can type the moment it's connected — no setup, no docs to read.

“Use “search_regulations”: Search current US CFR text or a citation such as 31 CFR 10.1. Returns snippets and legal/inline citations with ecfr.io links. Fetch matching.”

“Use “get_regulation”: Retrieve regulation text and child links by canonical path returned by search, e.g. /Title-31/Section-10.1. Inspect dates and stale flags. F.”

“Use “list_titles”: List the CFR titles with source dates and canonical ecfr.io URLs. Browse children with get_regulation.”

Security check

How secure is the eCFR.io Federal Regulations MCP server?

Every server in the gate directory has to pass the same four checks before your AI can touch it. Here's how eCFR.io Federal Regulations holds up.

✓ Verified directory servereCFR.io Federal Regulations · ecfr.io

Official endpoint

Operated by eCFR.io Federal Regulations (ecfr.io) at its documented MCP endpoint — not a third-party mirror or community re-host.

No sign-in needed

This server only exposes public data — no account and no credentials are involved when you connect.

Scanned before it goes live

gate checks every tool for prompt injection, hidden instructions, data-exfiltration hints, and over-broad permissions before the server is available through your gateway.

Watched for drift

If eCFR.io Federal Regulations adds or changes tools later, gate re-scans and alerts you — before your AI acts on the change.

Run the free scanner on eCFR.io Federal Regulations's server →

How it works

Connected in three steps

Connect your gate

Add one gateway URL to Claude, ChatGPT, or any MCP client. One-time setup, about two minutes.

Pick eCFR.io Federal Regulations

Choose eCFR.io Federal Regulations in the gate directory. No sign-in needed.

Use it anywhere

eCFR.io Federal Regulations's tools are live in every AI client you've connected — with rules and logging built in.

Connect eCFR.io Federal Regulations free

Free to start · No credit card · No hosting needed

Straight from the server

The actual tools eCFR.io Federal Regulations exposes

Fetched live from the official endpoint and re-checked daily by gate — not marketing copy.

search_regulations — Search current US CFR text or a citation such as 31 CFR 10.1. Returns snippets and legal/inline citations with ecfr.io links. Fetch matching

get_regulation — Retrieve regulation text and child links by canonical path returned by search, e.g. /Title-31/Section-10.1. Inspect dates and stale flags. F

list_titles — List the CFR titles with source dates and canonical ecfr.io URLs. Browse children with get_regulation.

Author

Who runs the eCFR.io Federal Regulations MCP server?

ecfr.io

Homepage More servers from ecfr.io →

Own this server? Claim the listing →

Server facts

The eCFR.io Federal Regulations MCP server at a glance

Endpointhttps://ecfr.io/mcp

Operated byeCFR.io Federal Regulations (ecfr.io)

CategoryCommunity

Sign-inNone — public data only

Available in gateYes — one-click connect

Works withClaude, ChatGPT, Cursor & any MCP client

FAQ

Questions, answered

Is there an official eCFR.io Federal Regulations MCP server?

Yes — eCFR.io Federal Regulations operates its own remote MCP server at ecfr.io. gate connects you to that official endpoint and adds security scanning, per-tool access rules, and an activity log on top.

How do I connect eCFR.io Federal Regulations to Claude or ChatGPT?

Add gate's gateway URL to your AI client once, then pick eCFR.io Federal Regulations in the directory. No account or sign-in is needed. From then on, eCFR.io Federal Regulations's tools are available in every client you've connected to gate.

Do I need to host anything?

No. eCFR.io Federal Regulations runs the server, and gate is fully managed. You just connect one URL — there's nothing to install, deploy, or maintain.

Is the eCFR.io Federal Regulations MCP server safe to connect?

It's the vendor's official endpoint, and gate scans its tools for prompt injection and hidden instructions before it goes live, re-checks it whenever it changes, and lets you allow, block, or require approval for every single tool.