A collection of 13 reusable AI agent skills for Minecraft 1.21.x development and operations, with plugin bundles for Codex and Claude Code.

Claude Code SKILL for daily tech briefings — extracted from Horizon

FFmpeg CLI reference for video and audio processing, format conversion, filtering, and media automation. Use when converting video formats, resizing or cropping video, trimming by time, replacing or extracting audio, mixing audio tracks, overlaying text or images, burning subtitles, creating GIFs, generating thumbnails, building slideshows, changing playback speed, encoding with H264/H265/VP9, setting CRF/bitrate, using GPU acceleration, creating storyboards, or running ffprobe. Covers filter_complex, stream selectors, -map, -c copy, seeking, scale, pad, crop, concat, drawtext, zoompan, xfade. Do NOT use for image-only processing (use ImageMagick), live-streaming server setup (use OBS/nginx-rtmp), or NLE-style timeline editing (use a video editor).

Use when the user wants to write a video script for a product demo, feature walkthrough, launch video, or social media video about a feature or product change