mcp server

Excalidraw

Creates and edits Excalidraw diagrams on a live canvas, from Mermaid or element-by-element.

yctimlin/mcp_excalidrawlistedunreviewednot running here yet

Use tool

Set up

Runs on your computer. Pick your agent and operating system.

Before you start

Node.js 20 or newer
Node.js 20+

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "excalidraw": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-excalidraw-server"
      ]
    }
  }
}

same format Cursor, GitHub Copilot CLI, Junie, JetBrains AI Assistant, Augment (Auggie CLI), Factory Droid, Kiro, Devin CLI +12

Values in angle brackets are placeholders. Restart Claude Desktop after editing its config.Claude Desktop docs

Tools provided

As listed by the project. Your agent asks before calling them, depending on its settings.

create_elementCreate one element
batch_create_elementsCreate many elements
create_from_mermaidConvert Mermaid to a diagram
export_to_imageExport to PNG/SVG
describe_sceneSummarise the canvas

README

synced Oct 13, 2026

Excalidraw

Creates and edits Excalidraw diagrams on a live canvas, from Mermaid or element-by-element.

Install

npx -y mcp-excalidraw-server

Configuration

Variable	Required	Description
`EXPRESS_SERVER_URL`	No	Canvas server URL (default http://127.0.0.1:3000)
`EXCALIDRAW_EXPORT_DIR`	No	Directory for exported files

Tools

create_element — Create one element
batch_create_elements — Create many elements
create_from_mermaid — Convert Mermaid to a diagram
export_to_image — Export to PNG/SVG
describe_scene — Summarise the canvas

About this listing

Details were gathered from the project's public pages on 2026-10-13 and have not been reviewed by a person yet. Read the project's own documentation before giving it access to anything sensitive.

Sources: