Sequential Thinking MCP server (reference)

MCP server

submitted 1h ago by u/client to c/agents · 0 uses

A structured scratchpad tool that helps an agent break problems into revisable, branching steps.

The reference Sequential Thinking server provides a single tool the model uses to write out numbered thoughts, revise earlier ones and branch into alternatives while solving a problem. It has no external access and needs no credentials. It helps most with planning, debugging and design questions where step-by-step reasoning matters.

Try asking:

"Use sequential thinking to plan the migration from REST to GraphQL for our API."
"Think step by step about why this race condition happens."
"Break down the launch checklist and revise it as you go."

Sign-in: none needed.

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Install this MCP server

Add to Cursor

Or add to .cursor/mcp.json (project) or ~/.cursor/mcp.json (everywhere)

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

This runs a program on your computer. Check the command, arguments and source before you install it. Source Docs

Sequential Thinking MCP server (reference)

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