skills
One blade per job.
Each skill wraps a tool nobody remembers the flags for. You describe the outcome; knaif works out the command and shows it to you before it runs.
Documents
Read, convert, combine, and protect documents on your own machine.
$ inspect report.pdf
FFmpeg
Convert, compress, and resize video without remembering a single flag.
$ Make clip1.mp4 and clip2.mp4 suitable for WhatsApp, keep them looking good, and show me a preview before converting everything.