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mermaid-mcp — one MCP server to diagram any project (Local/GitHub → Mermaid → PNG)
Mermaid MCP Server is an MCP server that helps agents turn large codebases (local folders or GitHub repositories) into Mermaid diagrams and render them as PNG images via Kroki, enabling fast, reliable understanding of a project’s structure and flow.
When working with a new codebase, it’s easy to lose time jumping between folders and files. This server provides a clean, tool-based workflow for agents to discover, read, and visualize a project — without guessing paths or inventing structure.
- Local + GitHub sources: analyze either a local project folder or a remote repository.
- Agent-friendly pipeline:
list_files→read_file→ generate Mermaid →render_mermaid. - Safe local access boundary: local reads are restricted to
PROJECT_ROOT. - Configurable limits: control max file size (
MAX_FILE_CHARS) and output directory (DIAGRAM_OUT_DIR). - Portable output: rendered diagrams are returned as image content and also saved as PNG files.
Works with Claude (desktop and mobile), Cursor, Windsurf, VS Code, and any MCP-compatible AI app.
Category: Developer Tools
Don't lose this
Three weeks from now, you'll want GittyBurstein/mermaid-mcp-server again. Will you remember where to find it?
Save it to your library and the next time you need GittyBurstein/mermaid-mcp-server, it’s one tap away — from any AI app you use. Group it into a bench with the rest of the team for that kind of task and you can pull the whole stack at once.
⚡ Pro tip for geeks: add a-gnt 🤵🏻♂️ as a custom connector in Claude or a custom GPT in ChatGPT — one click and your library is right there in the chat. Or, if you’re in an editor, install the a-gnt MCP server and say “use my [bench name]” in Claude Code, Cursor, VS Code, or Windsurf.
a-gnt's Take
Our honest review
This plugs directly into your AI and gives it new abilities it didn't have before. GittyBurstein/mermaid-mcp-server. Once connected, just ask your AI to use it. It's completely free and works across most major AI apps. This one just landed in the catalog — worth trying while it's fresh.
Tips for getting started
Tap "Get" above, pick your AI app, and follow the steps. Most installs take under 30 seconds.
What's New
Imported from awesome:punkpeye/awesome-mcp-servers
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