# Federal Register (MCP server)

> Federal Register is an MCP server that adds tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Federal Register proposed and final rules, notices, executive orders, and FAR cases. It has 27 GitHub stars, is released under the MIT license and runs locally with uvx federal-register-mcp.

Free, open-source MCP server for the Federal Register API. Proposed rules, final rules, notices, executive orders, comment periods, and regulatory tracking since 1994.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/1102tools-dev/federal-contracting-mcps |
| GitHub stars | 27 |
| License | MIT |
| Language | Python |
| Transport | stdio, streamable-http |
| Packages | pypi: federal-register-mcp |
| Remote URL | https://federal-register.1102tools.com/mcp |
| Needs API key | no |
| Official | yes |
| Works with | Claude Desktop, Claude Code, Cursor, VS Code, Claude.ai, ChatGPT |
| Category | Other |
| Latest release | v1.0.34 (Oct 21, 2026) |
| Last commit | Oct 25, 2026 |
| MCP registry name | com.1102tools/federal-register-mcp |

## Install

### Claude Desktop (claude_desktop_config.json)

```json
{
  "mcpServers": {
    "federal-register": {
      "command": "uvx",
      "args": [
        "federal-register-mcp"
      ]
    }
  }
}
```

Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.

### Claude Code

```sh
claude mcp add --transport stdio federal-register -- uvx federal-register-mcp
```

### Cursor (.cursor/mcp.json)

```json
{
  "mcpServers": {
    "federal-register": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "federal-register-mcp"
      ]
    }
  }
}
```

Project file; use ~/.cursor/mcp.json to enable it in every project.

### VS Code (.vscode/mcp.json)

```json
{
  "servers": {
    "federal-register": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "federal-register-mcp"
      ]
    }
  }
}
```

### Claude Code (remote)

```sh
claude mcp add --transport http federal-register "https://federal-register.1102tools.com/mcp"
```

The same server is also hosted as a remote MCP endpoint, so nothing runs on your machine.

Config formats checked against the official docs on 2026-10-07.

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