Excalidraw
MCP for creating interactive hand-drawn diagrams in Excalidraw
About Excalidraw
Excalidraw creates interactive hand-drawn diagrams from assistant conversations. Its MCP connector gives users a way to turn ideas, flows, and sketches into editable visual diagrams inside Excalidraw.
What can you do with the Excalidraw MCP server
- The server lets Claude create hand-drawn-style diagrams in Excalidraw.
- The server lets Claude build interactive visual applications.
- The server supports smooth viewport camera control.
- The server supports interactive fullscreen editing.
Common use cases
- You can visualize how a neural network forward pass works.
- You can map the React component lifecycle.
- You can draw a Git branching strategy with feature, develop, and main branches.
- You can create a decision tree for choosing a database.
Connection details
https://excalidraw-mcp-app.vercel.app/mcp- Transport
- Streamable HTTP
- Authentication
- OAuth
Setup
claude mcp add excalidraw-app-demo --transport http https://excalidraw-mcp-app.vercel.app/mcpFrequently asked questions
What is the Excalidraw remote MCP server?
The Excalidraw remote MCP server is a hosted Model Context Protocol endpoint at https://excalidraw-mcp-app.vercel.app/mcp, so AI assistants can connect to it without installing or running anything locally. Excalidraw creates interactive hand-drawn diagrams from assistant conversations. Its MCP connector gives users a way to turn ideas, flows, and sketches into editable visual diagrams inside Excalidraw.
How do I connect to the Excalidraw MCP server?
Add the endpoint https://excalidraw-mcp-app.vercel.app/mcp to any MCP-compatible client such as Claude Code, Codex, Cursor, or VS Code. The setup snippets on this page configure each client in one step.
Does the Excalidraw MCP server require authentication?
Yes. Excalidraw uses OAuth: the first time you connect, your MCP client opens a browser window to sign in and authorize access, then reuses the credentials for future sessions.
Which transport does the Excalidraw MCP server use?
Excalidraw exposes a Streamable HTTP endpoint, the current standard transport for the Model Context Protocol, supported by all major MCP clients.
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