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screenshot

Capture desktop screenshots on macOS, Linux, and Windows. Save the full screen, a selected window, or a region defined by coordinates, with support for a specified file path, the default location, or temporary storage.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

원문원문 설명 보기

Use when the user explicitly asks for a desktop or system screenshot (full screen, specific app or window, or a pixel region), or when tool-specific capture capabilities are unavailable and an OS-level capture is needed.

연동 도구Figma

실행 점수 미검증

설치 방법 보기

이럴 때 유용합니다

  • Saving a screenshot of the entire desktop
  • Capturing a specific app or window
  • Saving only a region defined by coordinates
  • Comparing a running app with its Figma design

포함된 파일(11)

  • SKILL.md7.6 KB
  • agents/openai.yaml273 B
  • assets/screenshot-small.svg1019 B
  • assets/screenshot.png860 B
  • LICENSE.txt10.5 KB
  • scripts/ensure_macos_permissions.sh1.7 KB
  • scripts/macos_display_info.swift482 B
  • scripts/macos_permissions.swift929 B
  • scripts/macos_window_info.swift3.5 KB
  • scripts/take_screenshot.ps14.8 KB
  • scripts/take_screenshot.py19.2 KB

SKILL.md(원문)

설치하기 전에 에이전트에게 전달되는 지시 내용을 확인할 수 있습니다.

Screenshot Capture

Follow these save-location rules every time:

  1. If the user specifies a path, save there.
  2. If the user asks for a screenshot without a path, save to the OS default screenshot location.
  3. If Codex needs a screenshot for its own inspection, save to the temp directory.

Tool priority

  • Prefer tool-specific screenshot capabilities when available (for example: a Figma MCP/skill for Figma files, or Playwright/agent-browser tools for browsers and Electron apps).
  • Use this skill when explicitly asked, for whole-system desktop captures, or when a tool-specific capture cannot get what you need.
  • Otherwise, treat this skill as the default for desktop apps without a better-integrated capture tool.

macOS permission preflight (reduce repeated prompts)

On macOS, run the preflight helper once before window/app capture. It checks Screen Recording permission, explains why it is needed, and requests it in one place.

The helpers route Swift's module cache to $TMPDIR/codex-swift-module-cache to avoid extra sandbox module-cache prompts.

bash <path-to-skill>/scripts/ensure_macos_permissions.sh

To avoid multiple sandbox approval prompts, combine preflight + capture in one command when possible:

bash <path-to-skill>/scripts/ensure_macos_permissions.sh && \
python3 <path-to-skill>/scripts/take_screenshot.py --app "Codex"

For Codex inspection runs, keep the output in temp:

bash <path-to-skill>/scripts/ensure_macos_permissions.sh && \
python3 <path-to-skill>/scripts/take_screenshot.py --app "<App>" --mode temp

Use the bundled scripts to avoid re-deriving OS-specific commands.

macOS and Linux (Python helper)

Run the helper from the repo root:

python3 <path-to-skill>/scripts/take_screenshot.py

Common patterns:

  • Default location (user asked for "a screenshot"):
python3 <path-to-skill>/scripts/take_screenshot.py
  • Temp location (Codex visual check):
python3 <path-to-skill>/scripts/take_screenshot.py --mode temp
  • Explicit location (user provided a path or filename):
python3 <path-to-skill>/scripts/take_screenshot.py --path output/screen.png
  • App/window capture by app name (macOS only; substring match is OK; captures all matching windows):
python3 <path-to-skill>/scripts/take_screenshot.py --app "Codex"
  • Specific window title within an app (macOS only):
python3 <path-to-skill>/scripts/take_screenshot.py --app "Codex" --window-name "Settings"
  • List matching window ids before capturing (macOS only):
python3 <path-to-skill>/scripts/take_screenshot.py --list-windows --app "Codex"
  • Pixel region (x,y,w,h):
python3 <path-to-skill>/scripts/take_screenshot.py --mode temp --region 100,200,800,600
  • Focused/active window (captures only the frontmost window; use --app to capture all windows):
python3 <path-to-skill>/scripts/take_screenshot.py --mode temp --active-window
  • Specific window id (use --list-windows on macOS to discover ids):
python3 <path-to-skill>/scripts/take_screenshot.py --window-id 12345

The script prints one path per capture. When multiple windows or displays match, it prints multiple paths (one per line) and adds suffixes like -w<windowId> or -d<display>. View each path sequentially with the image viewer tool, and only manipulate images if needed or requested.

Workflow examples

  • "Take a look at <App> and tell me what you see": capture to temp, then view each printed path in order.
bash <path-to-skill>/scripts/ensure_macos_permissions.sh && \
python3 <path-to-skill>/scripts/take_screenshot.py --app "<App>" --mode temp
  • "The design from Figma is not matching what is implemented": use a Figma MCP/skill to capture the design first, then capture the running app with this skill (typically to temp) and compare the raw screenshots before any manipulation.

Multi-display behavior

  • On macOS, full-screen captures save one file per display when multiple monitors are connected.
  • On Linux and Windows, full-screen captures use the virtual desktop (all monitors in one image); use --region to isolate a single display when needed.

Linux prerequisites and selection logic

The helper automatically selects the first available tool:

  1. scrot
  2. gnome-screenshot
  3. ImageMagick import

If none are available, ask the user to install one of them and retry.

Coordinate regions require scrot or ImageMagick import.

--app, --window-name, and --list-windows are macOS-only. On Linux, use --active-window or provide --window-id when available.

Windows (PowerShell helper)

Run the PowerShell helper:

powershell -ExecutionPolicy Bypass -File <path-to-skill>/scripts/take_screenshot.ps1

Common patterns:

  • Default location:
powershell -ExecutionPolicy Bypass -File <path-to-skill>/scripts/take_screenshot.ps1
  • Temp location (Codex visual check):
powershell -ExecutionPolicy Bypass -File <path-to-skill>/scripts/take_screenshot.ps1 -Mode temp
  • Explicit path:
powershell -ExecutionPolicy Bypass -File <path-to-skill>/scripts/take_screenshot.ps1 -Path "C:\Temp\screen.png"
  • Pixel region (x,y,w,h):
powershell -ExecutionPolicy Bypass -File <path-to-skill>/scripts/take_screenshot.ps1 -Mode temp -Region 100,200,800,600
  • Active window (ask the user to focus it first):
powershell -ExecutionPolicy Bypass -File <path-to-skill>/scripts/take_screenshot.ps1 -Mode temp -ActiveWindow
  • Specific window handle (only when provided):
powershell -ExecutionPolicy Bypass -File <path-to-skill>/scripts/take_screenshot.ps1 -WindowHandle 123456

Direct OS commands (fallbacks)

Use these when you cannot run the helpers.

macOS

  • Full screen to a specific path:
screencapture -x output/screen.png
  • Pixel region:
screencapture -x -R100,200,800,600 output/region.png
  • Specific window id:
screencapture -x -l12345 output/window.png
  • Interactive selection or window pick:
screencapture -x -i output/interactive.png

Linux

  • Full screen:
scrot output/screen.png
gnome-screenshot -f output/screen.png
import -window root output/screen.png
  • Pixel region:
scrot -a 100,200,800,600 output/region.png
import -window root -crop 800x600+100+200 output/region.png
  • Active window:
scrot -u output/window.png
gnome-screenshot -w -f output/window.png

Error handling

  • On macOS, run bash <path-to-skill>/scripts/ensure_macos_permissions.sh first to request Screen Recording in one place.
  • If you see "screen capture checks are blocked in the sandbox", "could not create image from display", or Swift ModuleCache permission errors in a sandboxed run, rerun the command with escalated permissions.
  • If macOS app/window capture returns no matches, run --list-windows --app "AppName" and retry with --window-id, and make sure the app is visible on screen.
  • If Linux region/window capture fails, check tool availability with command -v scrot, command -v gnome-screenshot, and command -v import.
  • If saving to the OS default location fails with permission errors in a sandbox, rerun the command with escalated permissions.
  • Always report the saved file path in the response.

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