Claude MCP Think Tool MCP Server

MCP Think Tool server for Claude Desktop

Local serverstdio

What is the Claude MCP Think Tool MCP server?

Claude MCP Think Tool MCP server exists for a simple reason — assistants are far more useful when they can act on Claude MCP Think Tool directly instead of describing what you should do. MCP Think Tool server for Claude Desktop.

What you get

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

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

What the assistant can call

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

  • think — Record structured reasoning during problem-solving
  • get_thoughts — Retrieve all recorded thoughts
  • clear_thoughts — Reset the thinking process
  • get_thought_stats — Analyze thinking patterns

Setting it up

@smithery/cli on npm is all you need. Most clients run it directly, so configuration is a few lines and a restart.

Choosing this one

Plenty of developer tooling servers cover similar ground. The differences that matter in practice are scope of access and how much setup stands between you and a working tool call. Claude MCP Think Tool's toolset — think, get_thoughts, clear_thoughts and 1 more — is a fair guide to whether it matches your workflow. It is maintained by cgize; worth a glance at recent repository activity before you build anything load-bearing on it.

We check each listing at SyncDev against the project's documentation before it goes live — if something here drifts out of date, it is a bug worth reporting.

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 claude mcp think tool mcp server does with a few real requests.

Available tools

ToolWhat it does
thinkRecord structured reasoning during problem-solving
get_thoughtsRetrieve all recorded thoughts
clear_thoughtsReset the thinking process
get_thought_statsAnalyze thinking patterns

How to install the Claude MCP Think Tool MCP server

{
  "mcpServers": {
    "think-tool": {
      "command": "npx",
      "args": [
        "-y",
        "@cgize/mcp-think-tool"
      ],
      "type": "stdio",
      "pollingInterval": 30000,
      "startupTimeout": 30000,
      "restartOnFailure": true
    }
  }
}

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

Example prompts to try

  • Use Claude MCP Think Tool to think.
  • Use Claude MCP Think Tool to get thoughts.
  • Use Claude MCP Think Tool to clear thoughts.

Frequently asked questions

It connects Claude MCP Think Tool to MCP-compatible AI assistants such as Claude and Cursor, exposing 4 tools (think, get_thoughts, clear_thoughts, and more) that the assistant can call on your behalf. Instead of copying data back and forth by hand, the assistant works with Claude MCP Think Tool directly.