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TL;DR

Excalidraw is a Design MCP server that lets Claude Code, Cursor, Windsurf and any MCP-compatible AI agent architecture and whiteboard diagrams. Install in 1 minute with mcpizy install excalidraw.

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Excalidraw

Design

Last updated May 30, 2026 · By MCPizy team

Architecture and whiteboard diagrams

Install Excalidraw

Via MCPizy CLI (recommended):
mcpizy install excalidraw
Or run directly:
npx -y excalidraw-mcp

Works with

Claude Code
Claude Desktop
Cursor
Windsurf
VS Code + Copilot
Any MCP Client

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Key Takeaways

  • Excalidraw exposes an MCP interface for design workflows in Claude Code, Cursor and Windsurf.
  • No authentication required — works out of the box once installed.
  • Install in 1 command: mcpizy install excalidraw — config written to your client automatically.
  • Free and open source — verified compatible with every MCP client (Claude Code, Claude Desktop, Cursor, Windsurf, VS Code + Copilot).
  • Best use case: automate design workflows from your AI agent without leaving the editor.

Frequently asked questions

What is the Excalidraw MCP server?

The Excalidraw MCP server is an Design Model Context Protocol server that lets Claude Code, Cursor, Windsurf, VS Code with Copilot, and other MCP-compatible AI agents architecture and whiteboard diagrams. It exposes Excalidraw's capabilities as tools the AI can call directly from your editor or CLI.

How do I install Excalidraw MCP with Claude Code?

The fastest way is the MCPizy CLI: run `mcpizy install excalidraw` and MCPizy will add the server to your `.claude.json` automatically. You can also install it manually by adding an entry under `mcpServers` in `.claude.json` with the command `npx -y excalidraw-mcp` and restarting Claude Code.

Is Excalidraw MCP free?

Yes. The Excalidraw MCP server is free and open source. You may still need a Excalidraw account or API key to connect the server to the underlying service, but the MCP layer itself has no MCPizy subscription cost.

Does Excalidraw MCP work with Cursor and Windsurf?

Yes. Any MCP-compatible client works — including Claude Code, Claude Desktop, Cursor (via `.cursor/mcp.json`), Windsurf, VS Code with Copilot Chat, and custom agents built on the MCP SDK. The same install command targets all of them; only the config file path differs.

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What can I do with Excalidraw MCP?

Once installed, your AI agent can architecture and whiteboard diagrams directly inside your conversation. Typical use cases include asking Claude Code or Cursor to run Excalidraw operations, inspect results, chain Excalidraw with other MCP servers (see our Workflow Recipes), and automate repetitive design tasks without leaving your editor.