US Federal Register Watch MCP

New federal rules, proposed rules and notices for your keywords and agencies.

Should I use this

Quality & Safety

A
Description quality
90%
Schema completeness
78%
Naming quality
87%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Findings (1)

  • LOWTool 'reg_watch' description lacks action verbin reg_watch

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~267Tokens (tool definitions)
~574 BTypical response size
Minimal attention impact (0.21% of 128k context)

This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.

Install

One-Click Install

Add this to your `claude_desktop_config.json` file:

{
  "mcpServers": {
    "us-federal-register-mcp": {
      "url": "https://us-federal-register-mcp.donniertf.workers.dev/mcp"
    }
  }
}

Remote endpoints

https://us-federal-register-mcp.donniertf.workers.dev/mcpstreamable-http

What it can do

Tool inventory

Tools (3)

🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
🟢reg_search(keyword)

FREE. Latest 5 Federal Register documents (rules, proposed rules, notices) matching a keyword, e.g. 'PFAS', 'overtime', 'crypto'.

Input Schema

{
  "type": "object",
  "properties": {
    "keyword": {
      "type": "string"
    }
  },
  "required": [
    "keyword"
  ]
}
⚪reg_watch(keywords, agencies, types, since, access_token)

PRO. Documents since a date for keywords and/or agency slugs (e.g. 'environmental-protection-agency') and types (rule, proposed, notice, presidential).

Input Schema

{
  "type": "object",
  "properties": {
    "keywords": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "agencies": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "types": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "since": {
      "type": "string"
    },
    "access_token": {
      "type": "string",
      "description": "Subscriber token from /success (or Authorization: Bearer)"
    }
  }
}
⚪open_comments(keyword, access_token)

PRO. Proposed rules with comment periods still open for a keyword/agency — deadline first.

Input Schema

{
  "type": "object",
  "properties": {
    "keyword": {
      "type": "string"
    },
    "access_token": {
      "type": "string",
      "description": "Subscriber token from /success (or Authorization: Bearer)"
    }
  }
}

Community

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Evidence

Recent observations

verifiedversion not recorded3 tools