argent-screen-recording

Записать видео работы мобильного приложения

software-mansion/argentОт разработчика платформы
3 013звёзд132форковУ всего репозитория

Что получите

Видео MP4 с кодированием H.264, частотой 30 кадров в секунду и исходным разрешением устройства, сохранённое на компьютере клиента с указанием пути.

Что передать

Устройство, приложение, начальный экран, сценарий действий и ожидаемая длительность.

Автопроверка файлов

Проверен состав файлов. Запуск не тестировался. Что проверено

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Как использовать

Помогает разработчикам и тестировщикам записывать действия, переходы и анимации приложения через Argent. Подходит для демонстрации сценария или документирования поведения приложения.

  1. Подготовьте запущенное устройство и экран, с которого должна начаться запись.
  2. Укажите длительность и сразу назначьте напоминание об остановке. Для измерения реального времени отключите сокращение неподвижных кадров; при необходимости уберите показ жестов.
  3. Выполните сценарий, явно остановите запись и проверьте предупреждения и воспроизведение файла перед передачей.

Условия работы

  • Нужны Argent и ffmpeg. Поддерживаются симуляторы iOS, эмуляторы Android и физические устройства Android.
  • Не поддерживаются физические iPhone, симуляторы tvOS, приложения Chromium, Vega/Fire TV и удалённые симуляторы с префиксом remote:. Защищённые экраны Android могут быть чёрными.
  • На одном устройстве возможна одна запись одновременно, максимум 600 секунд. Остановку нужно вызвать даже после достижения лимита, чтобы получить файл.
  • По умолчанию неподвижные фрагменты сокращаются, жесты отображаются, а видео содержит водяной знак Argent; эти настройки можно отключить.

Пример запроса после установки

Запиши на симуляторе iOS переход от корзины к подтверждению заказа с видимыми нажатиями. Сохрани реальную длительность ожидания и передай готовое видео.

Пример составлен по инструкции автора; результат запуска не проверялся.

Основание: инструкция закреплённой версии

Для установки

Node.js, npm и Git для команды выше. Подключения и инструменты для работы скилла настраиваются отдельно.

Совместимые агенты

Совместимость указана для инструкций. Запуск в каждом приложении не тестировался; для веб-чата способ подключения может отличаться.

Файлы скилла

GitHub
Читать инструкцию SKILL.md

Исходный текст закреплённой версии.

---
name: argent-screen-recording
description: Record a video of an iOS simulator or Android emulator/device screen using argent MCP tools. Use when the user asks to record the screen, capture a video of a flow, interaction, or animation, produce a screen recording, or document app behavior as a video clip.
---

## 1. Tools

- `screen-recording-start` — start capturing the screen of a booted device to a video file. Frames come from the same simulator-server backend that `screenshot` and the interaction tools already use, and are encoded live to h264 mp4 (constant 30 fps, device-native resolution).
- `screen-recording-stop` — stop the capture, finalize the container, and retrieve the video as a downloadable artifact (`video.hostPath` for co-located clients).

One recording per device at a time; different devices can record concurrently. Recording does not disturb anything else reading the device — a preview window can stay open on the same screen.

---

## 2. Critical: never leave a recording running

A recording does not stop itself before its `timeLimitSeconds` cap, so a forgotten one keeps capturing until the cap fires — holding the recording session, wasting disk, and delaying the video you are waiting on (and with `trimStatic: false` it comes back padded with dead air). Two safety nets exist — use both:

1. **Set yourself a reminder the moment the recording starts.** You know the expected capture length (the interaction you are about to drive). Immediately after `screen-recording-start` returns, schedule a wake-up for that expected end time using whatever your harness provides — a built-in reminder/wakeup or scheduled-task tool if you have one, otherwise a background shell running `sleep <expected-seconds>` whose completion notification pulls you back. When it fires, call `screen-recording-stop`. Do not rely on remembering.
2. **Read the tool-result notes.** While a recording is running, every argent tool result carries a `NOTE:` reminding you it is still going and how to stop it. If the note says the recording already ended (time limit hit), still call `screen-recording-stop` — that is what hands you the file.

---

## 3. Workflow

1. Ensure the target device is booted and the app is in the state you want the video to open on (`list-devices`, `launch-app`, `argent-device-interact`).
2. Call `screen-recording-start` with `udid` and a `timeLimitSeconds` slightly above the expected interaction length (default 180, max 600). Taps and swipes are drawn into the video by default (see the touch-visualizer note below); pass `showTouches: false` for a clean raw-screen capture.
3. Set the end-of-recording reminder described in §2 — this step is not optional.
4. Drive the interaction to capture: gestures, navigation, typing (`argent-device-interact`). Prefer `run-sequence` for tight multi-step interactions so tool-call latency does not pad the video.
5. Call `screen-recording-stop` with the same `udid`. It returns `{ video, durationMs, wallClockMs?, trimmedMs?, warning? }`; `video` is an artifact whose resolved path points at the durably-saved file (see below). The video is already final when stop returns (the watermark is stamped during capture, not in a second pass), so stop takes well under a second.
6. Check `warning`: it reports cap-triggered stops, early encoder exits, a dropped frame stream, and possibly-truncated containers. Verify the file plays (or at least has a sane size) before presenting it to the user.

**Where the file lands (durable, not scratch).** Unlike most argent artifacts (which live in a disposable temp cache the OS reclaims), a finished recording is saved durably on the **client** into `<project>/.argent/recordings/` — the project being the nearest ancestor of the client's working directory with a `.git`/`package.json`/`.argent`, or `~/.argent/recordings/` when the client isn't inside a project. This holds even for a remote `argent link` tool-server: the mp4 is written on the client host, not the server. The destination can be changed with the `recordings.directory` configuration (`argent config set recordings.directory <dir>`, global by default, `--scope project` for a per-repo choice; project wins when both are set) — the value may be absolute, `~`-prefixed, or relative to the project root, and is always resolved on the client host. The saved name is `screen-recording-<device>-<timestamp>.mp4`; if that name is already taken the new file lands beside it as `… (2).mp4` rather than overwriting. Because these files persist in the working tree, mention the path to the user (and note that they are untracked — add them to `.gitignore` or clean them up if they shouldn't be committed).

**Static-frame trimming (on by default).** Stretches where the screen does not change are collapsed: the first second of each still stretch is kept so pauses read naturally, then unchanged frames are dropped until something moves again (a change of even a couple of pixels counts). So you can leave a recording running across slow steps, waits, or thinking time without padding the clip with dead air — a 40-second session with 5 seconds of real activity comes back as a ~5-7 second video. When trimming removed anything, stop also returns `wallClockMs` (real elapsed time) and `trimmedMs` (how much was cut); `durationMs` is always the length of the video you actually get. Pass `trimStatic: false` to `screen-recording-start` when you want a faithful real-time recording (e.g. to measure how long something took on screen).

**Touch visualizer (on by default).** Every interaction argent drives is drawn straight into the video: a pulse marks each tap, a fading comet trail follows swipes and drags, and paired markers show the two contact points of a pinch or rotate. This makes a recording self-explanatory — a viewer can see _where_ each gesture landed rather than watching the UI react to an invisible finger. It is rendered by simulator-server into the frame stream (nothing is composited host-side), so it costs nothing extra and never appears in a `screenshot`. Pass `showTouches: false` to `screen-recording-start` to record the raw screen with no overlay (e.g. when capturing exactly what the user would see). If simulator-server cannot enable it, the recording still succeeds and stop returns a `warning` saying touches are not shown.

---

## 4. Platform notes and limits

- **What can be recorded**: anything simulator-server drives — iOS simulators, Android emulators, and physical Android devices. The only length limit is `timeLimitSeconds` (max 600).
- **The timeline is paced to a steady 30 fps**: a device only emits a frame when its screen changes, so captured frames are re-paced onto a fixed timeline rather than bunching up. With static-frame trimming off (`trimStatic: false`) that timeline is wall-clock accurate — a completely still screen still comes back as a full-length video (compressing to almost nothing) and `durationMs` matches the time you actually recorded. With trimming on (the default, see §3) still stretches past the grace window are collapsed, so `durationMs` is the trimmed video length and `wallClockMs` carries the real elapsed time.
- **One size per video**: the video keeps the size of the screen at the start of the recording. If the screen changes size, argent keeps the proportions of the new screen and adds black bars. On a foldable simulator, start the recording on the panel that you need at full size.
- **Android**: records at the device's native resolution; secure screens (DRM, some password fields) come out black.
- **Unsupported**: tvOS simulators, physical iPhones, Chromium apps, Vega/Fire TV, and remote (`remote:`-prefixed) simulators — none of them expose a readable frame stream. For a single still frame use `screenshot`; for a replayable interaction script use `argent-create-flow` instead of a video.
- **ffmpeg is required**: it is the encoder, so `screen-recording-start` fails up front with an install hint if it is missing (`brew install ffmpeg` on macOS). It is resolved from `PATH` plus the usual Homebrew prefixes.
- **Watermark**: the Argent logo + "By @swmansion" is stamped bottom-left while encoding, faint (20% opacity) and per-pixel contrast-matched to the background (light logo over dark UI, dark logo over light UI). On by default — turn it off with `argent disable video-watermark` (re-enable with `argent enable video-watermark`). The flag is read when the recording starts.

Проверка и особенности

Автоматическая проверка источника и файлов

Автоматически проверены публичный репозиторий, лицензия, заголовок SKILL.md, состав текстового пакета и Git-хеш каждого файла. Пакеты с исполняемыми файлами и срабатываниями применённых статических правил не включены. Ручной аудит всех инструкций и функциональный запуск не проводились. Внешние инструменты и сервисы не проверялись. Проверка не гарантирует безопасность.

В публичном списке установок на 2026-10-09 у скилла было 14 073 установок. Порог отбора — 1 000 установок. Число установок показывает распространённость, а не качество или безопасность инструкции.

Проверка состава
09.10.2026
Проверенная версия
83b60c1a6ab8
Файлы с кодом
Не указаны в данных проверки
Изменения на GitHub
Нужна повторная проверкаПоследняя проверка: 11.10.2026
Как мы проверяем скиллы

Репозиторий и лицензия

software-mansion/argent
3 013 звёзд132 форков

Это показатели всего репозитория, а не установки скилла. Снимок требует обновления.

Последняя активность GitHub
09.10.2026
Лицензия
Apache-2.0
Добавлен в каталог
09.10.2026
Полный текст лицензии
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