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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.

87,937 stars 11,115 forks Last commit 2d ago 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

Recent releases (5)

All releases →
  • Release 2026.1.26 2026.1.26 Latest Jan 27, 2026 
    # Release : v2026.1.26

## Updated packages
- @modelcontextprotocol/server-everything@2026.1.26
- @modelcontextprotocol/server-memory@2026.1.26
- mcp-server-time@2026.1.26
    View on GitHub ↗
  • Release 2026.1.14 2026.1.14 Jan 14, 2026 
    # Release : v2026.1.14

## Updated packages
- @modelcontextprotocol/server-everything@2026.1.14
- @modelcontextprotocol/server-filesystem@2026.1.14
- mcp-server-git@2026.1.14
    View on GitHub ↗
  • Release 2025.12.18 2025.12.18 Dec 18, 2025 
    # Release : v2025.12.18

## Updated packages
- @modelcontextprotocol/server-sequential-thinking@2025.12.18
- @modelcontextprotocol/server-everything@2025.12.18
- @modelcontextprotocol/server-filesystem@2025.12.18
- mcp-server-git@2025.12.18
    View on GitHub ↗
  • Release 2025.11.25 2025.11.25 Nov 25, 2025 
    # Release : v2025.11.25

## Updated packages
- @modelcontextprotocol/server-sequential-thinking@2025.11.25
- @modelcontextprotocol/server-everything@2025.11.25
- @modelcontextprotocol/server-filesystem@2025.11.25
- @modelcontextprotocol/server-memory@2025.11.25
- mcp-server-git@2025.11.25
    View on GitHub ↗
  • Release 2025.9.25 2025.9.25 Sep 25, 2025 
    # Release : v2025.9.25

## Updated packages
- @modelcontextprotocol/server-everything@2025.9.25
- @modelcontextprotocol/server-memory@2025.9.25
- mcp-server-git@2025.9.25
- mcp-server-time@2025.9.25
    View on GitHub ↗

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