The official Excalidraw MCP app allowing you to build interactive visual applications right in Claude. Ask Claude to create hand-drawn style diagrams using Excalidraw with smooth viewport camera control and interactive fullscreen editing. You can use Excalidraw to: Neural network visualizations: "Show how a neural network forward pass works" Component lifecycle diagrams: "Map out the React component lifecycle" Git branching strategy: "Draw a Git branching strategy with feature, develop, and main" Decision trees: "Create a decision tree for choosing a database"

claude mcp add --transport http excalidraw-app-demo https://excalidraw-mcp-app.vercel.app/mcp