How to install Mermaid Chart MCP in Claude Code
To install Mermaid Chart MCP in Claude Code, run "claude mcp add mermaid-chart-mcp -- npx -y @pickstar-2002/mermaid-chart-mcp" in your terminal, then check it with "claude mcp list". It takes about a minute.
Built from the published package · server updated 14 months ago
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Run the install command
Open a terminal in your project and run:
claude mcp add mermaid-chart-mcp -- npx -y @pickstar-2002/mermaid-chart-mcp - 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 mermaid-chart-mcp -- npx -y @pickstar-2002/mermaid-chart-mcp - 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 Mermaid Chart MCP needs an API key, add it under env in the config. Check its README.
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Questions
Does Mermaid Chart MCP work in Claude Code?
Yes. Claude Code supports mcp servers (local and remote), skills and plugins, and Mermaid Chart MCP installs with the steps above.
Mermaid Chart MCP 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 Mermaid Chart MCP safe?
It scores 39 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.
