v0.3.2

• Updated cheat sheet: replaced storyboard example with MCP Apps sequence diagram
• Added cameraUpdate and delete pseudo-elements to Element Types reference
• Updated demo GIF

v0.3.1

Fix fullscreen height collapse on claude.ai web

• Use containerDimensions from host context instead of 100vh
• Remove #root div, render React directly to body
• Set explicit height on html/body in fullscreen mode
• Replace CSS 100vh with 100% in fullscreen rules

Also includes all v0.3.0 changes (server-side checkpoints, 4:3 aspect ratio fix).

v0.3.0

What's New

Export to Excalidraw

• "Export" button in fullscreen editor (top-right, native Excalidraw styling)
• Confirmation modal before upload
• Encrypts + uploads to excalidraw.com, opens shareable link
• Server-side proxy via app-only tool (visibility: ["app"]) to avoid CORS
• Uses Excalidraw v2 binary format (concatBuffers + AES-GCM + zlib)

Checkpoint/Restore

• Save diagram state per tool call with checkpoint IDs
• Restore from checkpoint with restoreCheckpoint element
• Delete elements from restored state with deleteElement
• Saved viewport restored as fallback when no cameraUpdate provided

Font Loading Fix

• Preload all Excalidraw fonts (Excalifont + Assistant family) on inline widget mount
• Fixes text cropping on first fullscreen open caused by font loading race condition

Fullscreen Stability

• Editor no longer unmounts/remounts when new tool calls arrive while in fullscreen
• Seamless SVG-first mount/reveal transition pattern

v0.2.0

What's New

• cameraUpdate: New camera control element (replaces viewportUpdate, backward compatible)
• 4:3 viewport sizes: 5 standard sizes (S 400x300 → XXL 1600x1200) with font size warnings
• Rich examples: Photosynthesis diagram + full Claude.ai connector storyboard in cheat sheet
• Common mistakes guide: 5 tips distilled from iterative testing
• Dual endpoints: Supports both /mcp and /api/mcp
• Improved prompts: Camera-before-elements rule, padding guidance, flat camera size list

v0.1.0

Initial release of Excalidraw MCP App Server.

Install: Download excalidraw-mcp-app.mcpb and double-click to install in Claude Desktop.