quietshrink — Agent Skill You have access to , a CLI for compressing video files on macOS Apple Silicon. It uses the Media Engine (hardware HEVC encoder), not the CPU, so encoding is fast and silent. When to use it - User wants to compress a screen recording, screencast, or any .mov/.mp4 file - File is too large to share (chat, email, GitHub) - Need smaller files but cannot tolerate visible quality loss - Apple Silicon Mac (M1/M2/M3/M4) — best results Don't use this on non-screen content (camera footage, vlogs) — savings will be much smaller because there are no duplicate frames to drop. Comm…