Think Tool MCP Server

Empowers Claude to improve complex reasoning through a dedicated structured thinking space.

Local serverstdioPython 131

What is the Think Tool MCP server?

If you already use Think Tool, the think tool mcp server is the piece that lets your assistant work with it directly. Empowers Claude to improve complex reasoning through a dedicated structured thinking space.

What the server does

A Model Context Protocol (MCP) server implementing the "think" tool for improving Claude's complex reasoning capabilities.

This MCP server implements the "think" tool as described in Anthropic's blog post, which provides Claude with a dedicated space for structured thinking during complex problem-solving tasks. The think tool has been shown to significantly improve performance in complex tasks requiring policy adherence and reasoning in long chains of tool calls.

  • Structured Thinking Space — Provides Claude with a dedicated place to break down complex problems
  • Thought History — Maintains a log of all thoughts with timestamps for reference
  • Statistics and Analysis — Offers metadata about thinking patterns
  • Clean Slate Option — Allows clearing thought history when starting fresh

Available tools

The toolset is worth reading before you wire it up, because it tells you what the integration is really for:

  • Windsurf — To use this tool with Claude in Windsurf, add the following configuration to your MCP config file:

Installation

The server ships on PyPI as mcp-think-tool, so your MCP client can launch it on demand — there is no separate build step. Add the server block to your client's configuration, restart it, and the tools register themselves.

Where it fits

This sits in the developer tooling group, where several servers overlap in what they claim to do but differ sharply once you actually set them up. Think Tool's toolset — Windsurf — is a fair guide to whether it matches your workflow. It is maintained by DannyMac180; worth a glance at recent repository activity before you build anything load-bearing on it.

This entry was verified against Think Tool's own documentation before publication; SyncDev keeps the directory reviewed rather than auto-generated.

Worth knowing first

  • 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.
  • Keep per-call confirmation enabled while you learn its behaviour; it is the cheapest safeguard you have.

Available tools

ToolWhat it does
WindsurfTo use this tool with Claude in Windsurf, add the following configuration to your MCP config file:

How to install the Think Tool MCP server

{
  "mcpServers": {
    "think-tool-2": {
      "command": "uvx",
      "args": ["mcp-think-tool"]
    }
  }
}

Add to claude_desktop_config.json, then restart Claude Desktop.

Example prompts to try

  • Use Think Tool to Windsurf.

Frequently asked questions

By providing a structured environment to break down problems, log thoughts, and analyze thinking patterns, Think Tool helps Claude reason more effectively.