---
title: "Sequential Thinking MCP Server Setup Guide and Schema"
slug: "sequential-thinking"
category: "ai-core"
package: "@modelcontextprotocol/server-sequential-thinking"
transport: "stdio"
canonical: "https://mcp-codex.com/servers/sequential-thinking"
source: "MCP Codex (https://mcp-codex.com)"
dateModified: "2026-09-28"
---

# Sequential Thinking MCP Server

> Dynamic multi-step reasoning with structured problem decomposition.

## Overview
Enable structured, multi-step reasoning for complex problem solving. The Sequential Thinking MCP server provides a framework for breaking down complex tasks into manageable steps, tracking reasoning chains, and revising conclusions.

## Quick Install
```bash
npx -y @modelcontextprotocol/server-sequential-thinking
```

## Client Configurations

### Claude Desktop (`claude_desktop_config.json`)
```json
{
  "mcpServers": {
    "sequential-thinking": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-sequential-thinking"
      ]
    }
  }
}
```

### Cursor (`mcp.json`)
```json
{
  "mcpServers": {
    "sequential-thinking": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-sequential-thinking"
      ]
    }
  }
}
```

### OpenAI Codex CLI (`~/.codex/config.toml`)
```toml
[mcp_servers.sequential-thinking]
command = "npx"
args = ["-y", "@modelcontextprotocol/server-sequential-thinking"]
```

## Available Tools (1)

- `sequentialthinking`

## Documentation & Links
- Canonical Web Page: https://mcp-codex.com/servers/sequential-thinking
- Weekly Protocol Changelog: https://mcp-codex.com#newsletter
- GitHub Repository: https://github.com/modelcontextprotocol/servers/tree/main/src/sequentialthinking