How do I install the App Screenshot skill?

Run npx skillmds@latest add fritzprix/app-screenshot in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is App Screenshot safe to use?

This skill has not completed SkillMD's automated safety review yet. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with App Screenshot?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is App Screenshot free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published App Screenshot?

fritzprix (@fritzprix) published this skill. Their other Agent Skills are listed on their SkillMD profile.

App Screenshot by fritzprix — Agent Skill

Name: App Screenshot
Author: fritzprix

App Screenshot

Cross-platform live desktop app UI control and window capture skill for LibrAgent. Supports Windows and Linux. Triggers on requests like '앱 화면 캡처', '앱 스크린샷', '앱 클릭 제어', 'capture app window', 'app screenshot', 'capture ui', 'click app button'.

fritzprix 1ef69f5 2 files · 9.6 KB Updated Sep 17, 2026

File contents

App Screenshot & UI Control Skill

Capture live, pixel-exact desktop screenshots of the running LibrAgent application window across Windows and Linux, with optional mouse click and UI interaction automation.

Features

Window Focus & Screenshot: Finds and focuses LibrAgent app window, then captures exact window geometry.
Relative Coordinate Mouse Click: Automatically clicks buttons, menus, or cards relative to top-left of the app window before capturing (--click X Y).
Cross-Platform: Zero extra native dependencies (uses Python ctypes.windll.user32 on Windows, Xlib / xwininfo on Linux).

Usage Examples

1. Capture App Screenshot

python src-tauri/bundled_skills/app-screenshot/scripts/capture_app.py docs/user/assets/screenshots/getting-started/new-session.png

2. Click Relative Coordinate & Capture

Click inside the app window at relative (X, Y) (e.g. X=710, Y=410 for Assistant card) and capture result:

python src-tauri/bundled_skills/app-screenshot/scripts/capture_app.py docs/user/assets/screenshots/getting-started/new-session.png --click 710 410

Frequently asked questions