UIPin v1.0.0
Universal UI annotation & feedback tool. Screenshot → annotate → send to AI via MCP.
Features
- 3 capture modes — Fullscreen, Region, Window
- 4 annotation tools — Pin markers, arrows, rectangles, freehand drawing
- Undo/redo with 50-step history
- Zoom & pan — Scroll to zoom, Shift+drag to pan
- MCP Server — AI tools (Claude Code, Cursor, Windsurf) can read annotations live via JSON-RPC + SSE
- Export — Markdown (with color analysis + cropped regions), JSON, annotated PNG
- UIA integration — Auto-detects Windows UI element name, type, class, and ancestry tree at each pin
- i18n — English, 简体中文, 繁體中文, 日本語
- System tray — Always available, never in the way
- Auto-update — Keeps itself current via GitHub Releases
- Security — CSP, sandbox, restricted CORS, Zod input validation
- CI/CD — GitHub Actions pipeline
- 38 unit tests — TypeScript strict mode
Installation
Download the installer for your platform from the Assets below.
| Platform | Package |
|---|---|
| Windows | .exe (NSIS installer) |
| macOS | .dmg |
| Linux | .AppImage |