/watch Give Claude the ability to watch any video. Claude Code (recommended — auto updates via marketplace): [安装/使用命令见下方] Codex, Cursor, Copilot, Gemini CLI, or any of 50+ Agent Skills hosts: [安装/使用命令见下方] ( g installs globally for your user, available across all projects. Drop it to scope per project.) More install options (claude.ai web, manual) in the Install section below. Zero config to start — yt dlp and ffmpeg install on first run via brew on macOS (Linux/Windows print exact commands). Captions cover most public videos for free. Whisper API key is only needed when a video has no captions. Claude can read a webpage, run a script, browse a repo. What it can't do, out of the box, is watch a video . You paste a YouTube link and it has to either guess from the title or pull a transcript that's missing 90% of what's on screen. With Claude Video /watch you can paste a URL or a local path, ask a question, and Claude fetches captions first, downloads only what it needs, extracts frames (scene aware, or fast keyframes at efficient detail), pulls a timestamped transcript (free captions when available, Whisper API as fallback), and Read s every frame as an image. By the time it answers, it has seen the video and heard the audio. [安装/使用命令见下方] What people actually use it for Analyze someone else's content. /watch https://youtu.be/ what hook did they open with? Claude looks at the first frames, reads the opening transcript, breaks down the structure. Same for ad creative, competitor launches, podcast intros, anything where the how matters as much as the what . Diagnose a bug from a video. Someone sends you a screen recording of something broken. /watch bug repro.mov what's going wrong? Claude watches the recording, finds the frame where the issue appears, describes what's on screen, often catches the cause without you ever opening the file. Summarize a video. /watch https://youtu.be/ summarize this does the obvious thing — pulls the structure, the key moments, what was actua