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How to install Server Sequential Thinking in Claude Code

To install Server Sequential Thinking in Claude Code, run "claude mcp add server-sequential-thinking -- npx -y @sequentialthinking/server-sequential-thinking" in your terminal, then check it with "claude mcp list". It takes about a minute.

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  1. 1

    Run the install command

    Open a terminal in your project and run:

    claude mcp add server-sequential-thinking -- npx -y @sequentialthinking/server-sequential-thinking
  2. 2

    Choose where it applies (optional)

    Add --scope user to use it in every project, or --scope project to share it with your team through a .mcp.json file.

    claude mcp add --scope user server-sequential-thinking -- npx -y @sequentialthinking/server-sequential-thinking
  3. 3

    Check that it is connected

    List your servers, or type /mcp inside a Claude Code session to see its status and tools.

    claude mcp list

MCP servers run with your permissions. If Server Sequential Thinking needs an API key, add it under env in the config. Check its README.

Install Server Sequential Thinking in another app

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Questions

Does Server Sequential Thinking work in Claude Code?

Yes. Claude Code supports mcp servers (local and remote), skills and plugins, and Server Sequential Thinking installs with the steps above.

Server Sequential Thinking does not show up in Claude Code. What now?

Restart Claude Code fully, check the JSON is valid, and make sure Node.js (for npx) is installed. See common MCP errors and fixes.

Is Server Sequential Thinking safe?

It scores 85 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.