Excalidraw

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"