SERVER

US Code of Federal Regulations

Rank #17,141

io.github.mccallar/cfr-mcp

Look up, search, and track changes to the US Code of Federal Regulations (eCFR).

1 version

1 GitHub stars

by mccallar (1 servers)View repository ↗Claim this server

Listed & last published

Aug 29, 2026

OVERVIEW

US Code of Federal Regulations is a Model Context Protocol (MCP) server published by mccallar. It ranks #17,141 of 132,046 servers tracked on MCP Toplist, and its repository has 1 GitHub stars. US Code of Federal Regulations is listed across 2 registries — Official MCP and Glama, with 1 tracked version. It was first listed on Aug 29, 2026 and most recently updated on Aug 29, 2026.

STANDING

#17,141of 132,046 tracked serversTop 25%

Ranks ahead of 114,905 of 132,046 servers on MCP Toplist.

CONNECT

Use US Code of Federal Regulations

No setupRuns out of the box

No credentials or required configuration declared — add it to your MCP client and go.

Python package (PyPI)

claude mcp add cfr-mcp -- uvx cfr-mcp

Python package (PyPI)

[mcp_servers.cfr-mcp]
command = "uvx"
args = ["cfr-mcp"]

Add to ~/.codex/config.toml.

Python package (PyPI)

{
  "mcpServers": {
    "cfr-mcp": {
      "command": "uvx",
      "args": [
        "cfr-mcp"
      ]
    }
  }
}

Add to claude_desktop_config.json (Settings → Developer → Edit Config).

Python package (PyPI)

{
  "mcpServers": {
    "cfr-mcp": {
      "command": "uvx",
      "args": [
        "cfr-mcp"
      ]
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project).

Python package (PyPI)

{
  "servers": {
    "cfr-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "cfr-mcp"
      ]
    }
  }
}

Save as .vscode/mcp.json in your workspace.

Python package (PyPI)

{
  "mcpServers": {
    "cfr-mcp": {
      "command": "uvx",
      "args": [
        "cfr-mcp"
      ]
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Python package (PyPI)

{
  "mcpServers": {
    "cfr-mcp": {
      "command": "uvx",
      "args": [
        "cfr-mcp"
      ]
    }
  }
}

BADGE

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Markdown

[![MCP Toplist](https://mcptoplist.com/badge/io.github.mccallar%2Fcfr-mcp.svg)](https://mcptoplist.com/server/io.github.mccallar%2Fcfr-mcp)

HTML

<a href="https://mcptoplist.com/server/io.github.mccallar%2Fcfr-mcp"><img src="https://mcptoplist.com/badge/io.github.mccallar%2Fcfr-mcp.svg" alt="MCP Toplist: Top 25% of 132,046" /></a>

Variants: append ?metric=score or ?metric=stars to the image URL.

REGISTRIES

Listed on 2 registries

Official MCP

Glama

ORGANIZATION

mccallar

Organization

mccallar

Servers in org

Versions across org

VERSIONS

Available versions (1)

Version	Published
0.2.2	Aug 29, 2026

FAQ

Frequently asked questions

Who maintains US Code of Federal Regulations?: US Code of Federal Regulations is maintained by mccallar, which publishes 1 MCP server (1 total version) tracked on MCP Toplist.
Is US Code of Federal Regulations listed on the Official MCP Registry?: Yes — US Code of Federal Regulations is listed on the Official MCP Registry, alongside Glama.
How many versions does US Code of Federal Regulations have?: MCP Toplist tracks 1 version of US Code of Federal Regulations, most recently published on Aug 29, 2026.
Where can I find the source code for US Code of Federal Regulations?: The source code for US Code of Federal Regulations is hosted at github.com/mccallar/cfr-mcp.

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