mcp-sequential-thinking
Local MCP work notes with persistent sessions, decisions, evidence and resumable tasks.
The Sequential Thinking MCP server provides a structured thinking journal that organizes AI reasoning through defined cognitive stages including Problem Definition, Research, Analysis, Synthesis, and Conclusion. It records thoughts as persistent, schema-validated entries in an append-only audit trail with support for revisions, branching alternative reasoning paths, and session import/export. The server enables AI assistants to maintain structured work notes across sessions, track decision-making processes, and analyze relationships between thoughts through stage-based filtering and tag matching.
Key Features
Use Cases
- 01Methodical decision-making by working through choices across defined analytical stages
- 02Complex problem-solving by breaking down issues into manageable, categorized components
- 03Research planning with structured progression from problem definition through conclusion
- 04Writing organization by developing ideas progressively before drafting
- 05Project analysis through defined cognitive stages with persistent session history
- 06Collaborative reasoning sessions that can be exported, shared, and imported by team members
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mcp-sequential-thinking — FAQ
What is the Sequential Thinking MCP server?+
It's an MCP server that provides AI assistants with a structured thinking journal, organizing thoughts through cognitive stages (Problem Definition, Research, Analysis, Synthesis, Conclusion) with persistent storage, revisions, and branching support.
How do I install the Sequential Thinking MCP server?+
The easiest method is using uvx with the PyPI package: run 'uvx mcp-sequential-thinking' directly, or add it to your AI client's MCP configuration with command 'uvx' and args '["mcp-sequential-thinking"]'. Alternatively, install with pip: 'pip install mcp-sequential-thinking'.
Which AI clients work with this MCP server?+
It works with Claude Desktop, Cursor, VS Code Copilot (1.99+), Zed, Claude Code CLI, Windsurf, and Gemini CLI. Configuration instructions are provided for each client in the README.
Does this MCP server require API keys?+
No, it runs entirely locally with no external API dependencies. It only requires Python 3.10+ and the UV package manager.
Is the Sequential Thinking MCP server free?+
Yes, it's open source and released under the MIT License, completely free to use and modify.
Where are thinking sessions stored?+
Sessions are saved as append-only JSONL files at ~/.mcp_sequential_thinking/current_session.jsonl by default. You can override the directory with the MCP_STORAGE_DIR environment variable, and export sessions to JSON for sharing.
How do I install mcp-sequential-thinking?+
Open the source repository on GitHub and follow its README. mcp-sequential-thinking is a mcp server — MCP Agents Market links you directly to the official repo.
Is mcp-sequential-thinking free?+
mcp-sequential-thinking is an open-source project hosted on GitHub. Check the repository for its license and any usage requirements.