Official
Sequential Thinking
Provides a scratchpad tool that nudges the model to break a hard problem into ordered steps before executing. Helps on multi-step tasks where jumping straight to an answer goes wrong.
Install
Run this to register the server with Claude Code. The same npx invocation works in other MCP clients.
install
claude mcp add sequential-thinking -- npx -y @modelcontextprotocol/server-sequential-thinking