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How to install MCP Mermaid Validator in Claude Code

To install MCP Mermaid Validator in Claude Code, run "claude mcp add mcp-mermaid-validator -- npx -y @rtuin/mcp-mermaid-validator" in your terminal, then check it with "claude mcp list". It takes about a minute.

Built from the published package · server updated 7 months ago

  1. 1

    Run the install command

    Open a terminal in your project and run:

    claude mcp add mcp-mermaid-validator -- npx -y @rtuin/mcp-mermaid-validator
  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 mcp-mermaid-validator -- npx -y @rtuin/mcp-mermaid-validator
  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 MCP Mermaid Validator needs an API key, add it under env in the config. Check its README.

Install MCP Mermaid Validator in another app

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Questions

Does MCP Mermaid Validator work in Claude Code?

Yes. Claude Code supports mcp servers (local and remote), skills and plugins, and MCP Mermaid Validator installs with the steps above.

MCP Mermaid Validator 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 MCP Mermaid Validator safe?

It scores 56 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.