How do I install the Jaw Screen Capture skill?

Run npx skillmds@latest add lidge-jun/jaw-screen-capture 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 Jaw Screen Capture 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 Jaw Screen Capture?

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 Jaw Screen Capture free to use?

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

Who published Jaw Screen Capture?

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

Jaw Screen Capture by lidge-jun — Agent Skill

Name: Jaw Screen Capture
Author: lidge-jun

Jaw Screen Capture

Screen capture and camera snapshots using macOS built-in tools. Full screen, region, window, webcam, and video recording. Use as default when tool-specific capture (Figma, Playwright, CDP) is unavailable. Prefer cli-jaw browser screenshot for web pages.

lidge-jun 68b242a 3.8 KB Updated Sep 17, 2026

File contents

Screen Capture (macOS)

Quick Start

screencapture -x ~/screenshot.png          # Full screen (silent)
screencapture -i ~/selection.png           # Interactive region select
screencapture -c                            # Capture to clipboard

Commands

Full Screen

screencapture -x ~/screenshot.png                    # Silent full screen
screencapture ~/screenshot.png                       # Full screen with shutter sound
screencapture -T 3 ~/screenshot.png                  # 3-second delay

Region / Window

screencapture -i ~/region.png                        # Interactive: drag to select region
screencapture -iW ~/window.png                       # Interactive: click to select window
screencapture -R 0,0,1280,720 ~/region.png           # Specific coordinates (x,y,w,h)

Specific Application Window

# Capture Chrome window by window ID
screencapture -l$(osascript -e 'tell app "Google Chrome" to id of window 1') ~/chrome.png

# Capture any app window
screencapture -l$(osascript -e 'tell app "Safari" to id of window 1') ~/safari.png

# Capture frontmost window
screencapture -l$(osascript -e 'tell app "System Events" to id of first window of (first process whose frontmost is true)') ~/front.png

Clipboard

screencapture -c                                     # Full screen to clipboard
screencapture -ic                                    # Region select to clipboard

Multiple Displays

screencapture ~/screen1.png ~/screen2.png            # One file per display
screencapture -D 1 ~/main.png                        # Main display only
screencapture -D 2 ~/secondary.png                   # Secondary display

Video Recording

screencapture -v ~/recording.mov                     # Record screen video
screencapture -V 10 ~/recording.mov                  # Record 10 seconds

Webcam Capture (requires imagesnap)

# Install
brew install imagesnap

# Capture
imagesnap ~/camera.png                               # Take photo
imagesnap -w 2 ~/camera.png                          # 2-second warmup (better quality)
imagesnap -d "FaceTime HD Camera" ~/camera.png       # Specific camera

# List cameras
imagesnap -l

Output Formats

screencapture -t png ~/screenshot.png                # PNG (default)
screencapture -t jpg ~/screenshot.jpg                # JPEG
screencapture -t pdf ~/screenshot.pdf                # PDF
screencapture -t tiff ~/screenshot.tiff              # TIFF

Common Workflows

Capture Specific App State

# Bring app to front, then capture
osascript -e 'tell app "Finder" to activate'
sleep 0.5
screencapture -x ~/finder.png

Useful Flags

Flag	Description
`-x`	Silent (no shutter sound)
`-i`	Interactive selection mode
`-c`	Copy to clipboard
`-R x,y,w,h`	Capture specific rectangle
`-T seconds`	Delay before capture
`-t format`	Output format (png/jpg/pdf/tiff)
`-l windowID`	Capture specific window
`-D displayNum`	Capture specific display
`-v`	Record video
`-V seconds`	Record video for N seconds

Notes

Screen Recording permission may be required (System Settings > Privacy > Screen Recording).
For browser-specific screenshots, prefer cli-jaw browser screenshot (captures via CDP).

---name: jaw-screen-capturedescription: Screen capture and camera snapshots using macOS built-in tools. Full screen, region, window, webcam, and video recording. Use as default when tool-specific capture (Figma, Playwright, CDP) is unavailable. Prefer cli-jaw browser screenshot for web pages.---# Screen Capture (macOS)## Quick Start```bashscreencapture -x ~/screenshot.png # Full screen (silent)screencapture -i ~/selection.png # Interactive region selectscreencapture -c # Capture to clipboard```## Commands### Full Screen```bashscreencapture -x ~/screenshot.png # Silent full screenscreencapture ~/screenshot.png # Full screen with shutter soundscreencapture -T 3 ~/screenshot.png # 3-second delay```### Region / Window```bashscreencapture -i ~/region.png # Interactive: drag to select regionscreencapture -iW ~/window.png # Interactive: click to select windowscreencapture -R 0,0,1280,720 ~/region.png # Specific coordinates (x,y,w,h)```### Specific Application Window```bash# Capture Chrome window by window IDscreencapture -l$(osascript -e 'tell app "Google Chrome" to id of window 1') ~/chrome.png# Capture any app windowscreencapture -l$(osascript -e 'tell app "Safari" to id of window 1') ~/safari.png# Capture frontmost windowscreencapture -l$(osascript -e 'tell app "System Events" to id of first window of (first process whose frontmost is true)') ~/front.png```### Clipboard```bashscreencapture -c # Full screen to clipboardscreencapture -ic # Region select to clipboard```### Multiple Displays```bashscreencapture ~/screen1.png ~/screen2.png # One file per displayscreencapture -D 1 ~/main.png # Main display onlyscreencapture -D 2 ~/secondary.png # Secondary display```### Video Recording```bashscreencapture -v ~/recording.mov # Record screen videoscreencapture -V 10 ~/recording.mov # Record 10 seconds```## Webcam Capture (requires imagesnap)```bash# Installbrew install imagesnap# Captureimagesnap ~/camera.png # Take photoimagesnap -w 2 ~/camera.png # 2-second warmup (better quality)imagesnap -d "FaceTime HD Camera" ~/camera.png # Specific camera# List camerasimagesnap -l```## Output Formats```bashscreencapture -t png ~/screenshot.png # PNG (default)screencapture -t jpg ~/screenshot.jpg # JPEGscreencapture -t pdf ~/screenshot.pdf # PDFscreencapture -t tiff ~/screenshot.tiff # TIFF```## Common Workflows### Capture Specific App State```bash# Bring app to front, then captureosascript -e 'tell app "Finder" to activate'sleep 0.5screencapture -x ~/finder.png```## Useful Flags| Flag | Description || --------------- | -------------------------------- || `-x` | Silent (no shutter sound) || `-i` | Interactive selection mode || `-c` | Copy to clipboard || `-R x,y,w,h` | Capture specific rectangle || `-T seconds` | Delay before capture || `-t format` | Output format (png/jpg/pdf/tiff) || `-l windowID` | Capture specific window || `-D displayNum` | Capture specific display || `-v` | Record video || `-V seconds` | Record video for N seconds |## Notes- Screen Recording permission may be required (System Settings > Privacy > Screen Recording).- For browser-specific screenshots, prefer `cli-jaw browser screenshot` (captures via CDP).

Frequently asked questions