Ref MCP

Name: Ref MCP
Availability: InStock
Author: ref-tools

Supports UI

by ref-tools

Token-efficient documentation search and retrieval for AI coding agents to prevent context rot.

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Works in:Cursor

Exposes:Tools

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What it does

Ref MCP connects your AI coding agent to technical documentation for APIs, services, and libraries. It focuses on minimizing token usage to prevent 'context rot', ensuring the model stays sharp by providing only the most relevant snippets of documentation rather than massive page dumps.

Tools

ref_search_documentation: Performs a powerful search across public web docs, GitHub, and private resources to find specific facts or code snippets.
ref_read_url: Fetches content from a specific URL and converts it to optimized markdown for the agent to consume.

Installation

Add the following to your claude_desktop_config.json:

{
  "mcpServers": {
    "Ref": {
      "type": "http",
      "url": "https://api.ref.tools/mcp?apiKey=YOUR_API_KEY"
    }
  }
}

Supported hosts

Confirmed support for Claude Desktop and Cursor.

Quick install

npx ref-tools-mcp@latest

Information

Pricing: freemium
Published: 4/17/2026
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Related Apps

Choose your AI client and follow the steps below.

Cursor

Add the HTTP server URL https://api.ref.tools/mcp?apiKey=YOUR_API_KEY to Cursor MCP settings.

Claude Desktop

{
  "mcpServers": {
    "Ref": {
      "type": "http",
      "url": "https://api.ref.tools/mcp?apiKey=YOUR_API_KEY"
    }
  }
}