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Excalidraw MCP server & Claude connector
Does Excalidraw have an official MCP server or Claude connector?
Official
As of October 2026, Excalidraw publishes an official MCP App server, hosted at mcp.excalidraw.com and in the excalidraw GitHub organization. It draws hand-drawn diagrams inline in Claude, ChatGPT, VS Code and other clients that support MCP Apps. No sign-in is required; one tool uploads diagrams to excalidraw.com for sharing.
Last checked
Verdict and evidence
- What we checked
- Excalidraw MCP App Server
- Published by
- Excalidraw (official)
- Runs
- Hosted (remote)
- Sign-in
- None
- Stage
- unknown
- Endpoint
https://mcp.excalidraw.com/mcp
Evidence
- excalidraw/excalidraw-mcp README (github.com, seen October 18, 2026)
- Excalidraw connector (Claude directory) (claude.com, seen October 18, 2026)
What an AI can do in Excalidraw
Read
- Get the Excalidraw element format reference
read_me - Read checkpoint state
read_checkpoint
Create
- Render a hand-drawn diagram
create_view - Upload a diagram to excalidraw.com and get a shareable URL
export_to_excalidraw
Update
- Save user-edited checkpoint state
save_checkpoint
From the publisher’s documentation for the version we checked. Not every tool is listed.
Setup
Claude (claude.ai / Desktop)
Add as a connector from the Claude directory, or add the remote URL as a custom connector.
https://mcp.excalidraw.comSourceClaude (claude.ai / Desktop)
Local alternative for Claude Desktop after building from source.
{
"mcpServers": {
"excalidraw": {
"command": "node",
"args": ["/path/to/excalidraw-mcp-app/dist/index.js", "--stdio"]
}
}
}SourceSafety check
- Pass
Publisher verified
Repo is in the excalidraw GitHub organization with homepage mcp.excalidraw.com; Claude's directory lists Excalidraw as publisher with an Anthropic verified badge.
- Pass
Auth model
No authentication required per the Claude listing; it only draws and exports diagrams.
- Pass
Write and delete access
No tools touch your files or accounts. export_to_excalidraw uploads the diagram to excalidraw.com, which is a data-sharing action to be aware of.
- Pass
Tool-description injection scan
Read src/server.ts tool descriptions. The read_me cheat sheet contains formatting instructions for drawing (for example always start with cameraUpdate), which are task guidance, with nothing about hiding actions or exfiltrating data.
- Pass
Repo maintenance
excalidraw/excalidraw-mcp: not archived, last push 2026-03-24 (about 7 months), about 5,536 stars; low activity but a small server.
Community alternatives
Built and maintained by third parties, not Excalidraw. Check the safety notes before connecting one to a real account.
mcp_excalidraw (yctimlin)
yctimlin · Runs locally · NoneExport the canvas to an image
- ⚠ Publisher verified: Individual community developer; runs a local canvas server plus an MCP server.
- yctimlin/mcp_excalidraw README (github.com, seen October 18, 2026)
FAQ
Does Excalidraw have an official MCP server?
Yes. The excalidraw GitHub organization publishes excalidraw-mcp, a hosted MCP App at mcp.excalidraw.com that renders hand-drawn diagrams inline.
Is there an Excalidraw connector for Claude?
Yes. Claude's connectors directory lists an Excalidraw connector published by Excalidraw, marked Anthropic verified, with no sign-in required.
Is the Excalidraw MCP free?
The hosted server needs no sign-in and no paid plan was mentioned in the sources. The code is MIT licensed per its README.
What is the difference from the community Excalidraw MCP?
The official server streams diagrams inline in the chat. The community mcp_excalidraw runs a separate live canvas with a REST API for programmatic editing, which suits a different workflow.
Last reviewed .
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Markdown (README)
[](https://mcpornot.com/excalidraw)HTML
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