Excaliwow docs

Excaliwow is a hosted home for your Excalidraw diagrams. Sketch together in the browser, or drive your diagrams programmatically from the terminal and your AI agent.

Draw in the browser

Open the editor at excaliwow.com, create a diagram, and invite your team. Live cursors, comments, and share links are built in.

Start for free

Build on the platform

Create, edit, and render diagrams over a REST API, from the CLI, or straight from Claude through the MCP server.

Open the quickstart

Try it from your terminal

Authenticate once with a token from your settings, then create a diagram from a spec:

terminal

npx @excaliwow/cli auth login
npx @excaliwow/cli create --spec diagram.json

Getting started

QuickstartGo from a fresh account to your first diagram in five minutes — from the terminal or straight from your AI agent.Authentication & access tokensMint a Personal Access Token, choose a scope, and authenticate the API, CLI, and MCP server.

Developer platform

REST APIThe /api/v1 surface: list and read diagrams, create from a spec, render to PNG or SVG, and merge edits.CLI@excaliwow/cli — create, edit, render, and manage diagrams from your terminal or a script.MCP server@excaliwow/mcp — let Claude and other MCP clients create and edit your diagrams through five tools.Diagram DSLThe content model the API, CLI, and MCP all speak: nodes, edges, layout, and edit fragments.

Product guides

Real-time collaborationWork on the same canvas together — live cursors, comments, and how presence works.Sharing & public linksInvite collaborators by role, and publish read-only public links to a diagram.Organizing your workFolders, starred diagrams, and keeping a growing canvas library tidy.