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Searchable catalog of Model Context Protocol servers. Find tools that connect your AI assistant to the services and data you use.

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Servers/Code Execution/Ref
Code ExecutionOfficial
R

Ref

Up-to-date documentation for your coding agent. Covers 1000s of public repos and sites. Built by ref.tools

1.2k starsUpdated Jun 26, 2026
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Overview

A ModelContextProtocol server that gives your AI coding tool or agent access to documentation for APIs, services, libraries etc. It's your one-stop-shop to keep your agent up-to-date on documentation in a fast and token-efficient way. Ref's tools are designed to match how models search while using as little context as possible to reduce context rot. The goal is to find exactly the context your coding agent needs to be successful while using minimum tokens. Depending on the complexity of the prompt, LLM coding agents like Claude Code will typically do one or more searches and then choose a few resources to read in more depth.

Installation

npm install

Configuration

Configuration example is not available yet.

Capabilities

  • Search for technical documentation

    Ask your agent to find facts, code snippets, or API references across public docs, GitHub, or private resources using `ref_search_documentation`.

  • Read and convert any documentation page

    Have your agent fetch a URL and get back clean markdown of the most relevant sections with `ref_read_url`.

  • Refine searches without repeating results

    The server automatically filters out previously seen results when you refine or repeat similar queries in the same session.

  • Get token-efficient context

    Relevant page sections are surfaced while less relevant parts are dropped, keeping context under 5k tokens per read.

Tags

  • documentation
  • document
  • development

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