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Anthropic Official AI

Sequential Thinking

Structured chain-of-thought scaffolding — the model writes its own multi-step plan as MCP calls.

87,861 stars 11,103 forks Last commit today Language TypeScript License MIT
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Install

npm install -g @modelcontextprotocol/server-sequential-thinking

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Claude Desktop / Cursor config

Drop into your claude_desktop_config.json or Cursor MCP settings. Replace the ${…} placeholders with your own values. 

{
  "mcpServers": {
    "sequential-thinking": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-sequential-thinking"]
    }
  }
}

About

Forces the model to externalise its reasoning as a sequence of MCP tool calls. Each step has an explicit goal + result; downstream steps reference upstream ones. Used to make CoT reliable on hard problems where ad-hoc reasoning would lose context.

Tags #reasoning #cot #planning #official #reference

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