markmap-mcp-server MCP server

An MCP server for converting Markdown to interactive mind maps with export support (PNG/JPG/SVG).

What markmap-mcp-server does

Summarised from the project README; check the repository for the latest details.

Features

• Markdown → Mind Map: Convert Markdown (headings + nested lists) to interactive HTML mind maps
• Agent-friendly returns: Return a file path, inline HTML, and/or image content (configured at startup)
• Server-side export: Export PNG / JPG / SVG via Playwright for chat/inline preview
• Browser preview: Configurable open behavior — always, never, or agent-decided (startup setting)
• Browser export toolbar: When viewing HTML, also export PNG/JPG/SVG or copy Markdown in the page UI
• Offline HTML: Startup `--offline` inlines assets so the page works without CDN access

Tools exposed (16)

• markdown_to_mindmap
• Parameter – Type
• markdown – string
• inputPath – string
• format – `html` \
• filename – string
• open – boolean
• list_mindmaps
• limit – number
• get_mindmap
• filePath – string
• cleanup_mindmaps
• maxAgeDays – number
• all – boolean
• dryRun – boolean
• topic – string

Requirements

• Node.js v20 or above
• For server-side image export (`format: png|jpg|svg`): install Playwright and Chromium

How to install markmap-mcp-server

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