Excalidraw

Overview

Excalidraw MCP is Excalidraw's official remote MCP server that connects Claude to the Excalidraw whiteboard tool. It enables creating and editing hand-drawn style diagrams, flowcharts, and architectural sketches through natural language commands.

Key Features

• Diagram Creation: Create diagrams, flowcharts, and wireframes using natural language descriptions. Outputs in Excalidraw's distinctive hand-drawn style.
• Shape & Element Management: Add rectangles, ellipses, arrows, text, and freeform elements with precise positioning and styling.
• Connector & Layout: Create connections between elements with automatic routing for clean diagram layouts.
• Export Options: Generate diagrams as PNG, SVG, or Excalidraw native format for sharing and embedding.
• Template Support: Use predefined templates for common diagram types like system architecture and user flows.

Who is this for?

• Developers who want to quickly sketch system architecture diagrams and flowcharts from the terminal
• Teams documenting code architecture who prefer the informal, approachable hand-drawn aesthetic
• Technical writers creating diagrams for documentation using natural language descriptions