Think MCP Server

An MCP server implementing the think tool for Claude and other LLMs

Local serverstdioTypeScript

What is the Think MCP server?

Think MCP server is a locally run integration for AI assistants that speak the Model Context Protocol. An MCP server implementing the think tool for Claude and other LLMs.

What you get

A Model Context Protocol (MCP) server that implements the "think" tool for enhancing complex reasoning capabilities in Large Language Models (LLMs). This tool provides LLMs with a dedicated space for structured thinking during problem-solving tasks, significantly improving performance in complex scenarios requiring policy adherence and multi-step reasoning.

What the assistant can call

Once Think is connected, these are the calls the assistant has available:

  • think — Provides LLMs with a dedicated space for complex reasoning and analysis
  • Contributing — Contributions are welcome! Please feel free to submit a Pull Request. For major changes, please open an issue first to discuss what you would like to

Setting it up

think-tool-mcp on npm is all you need. Most clients run it directly, so configuration is a few lines and a restart.

Choosing this one

Among the developer tooling options, the useful question is rarely "what can it do" but "what does it cost you to run" — permissions, credentials, and how much of your context its toolset consumes. Think's toolset — think, Contributing — is a fair guide to whether it matches your workflow. It is maintained by abhinav-mangla; worth a glance at recent repository activity before you build anything load-bearing on it.

SyncDev reviews every entry in this directory against the project's own documentation before publishing, and revisits them as servers change.

Before you rely on it

  • It runs with your machine's permissions. That is convenient and also the reason to think about what you point it at before you approve a tool call.
  • MCP clients confirm each tool call by default. Leave that on until you have watched what the think mcp server does with a few real requests.

Available tools

ToolWhat it does
thinkProvides LLMs with a dedicated space for complex reasoning and analysis.
ContributingContributions are welcome! Please feel free to submit a Pull Request. For major changes, please open an issue first to discuss what you would like to change.

How to install the Think MCP server

{
  "mcpServers": {
    "think-tool": {
      "command": "npx",
      "args": ["-y", "think-tool-mcp"]
    }
  }
}

Configuration as documented by the project. Restart the client after saving.

Example prompts to try

  • Use Think to think.
  • Use Think to Contributing.

Frequently asked questions

It connects Think to MCP-compatible AI assistants such as Claude and Cursor, exposing 2 tools (think, Contributing) that the assistant can call on your behalf. Instead of copying data back and forth by hand, the assistant works with Think directly.