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Eleven free Claude skills that run a LinkedIn account: posts off 21 hook formulas, comments, replies, profile score, weekly plan, and a humanizer that strips the AI fingerprint and scores the draft before it goes out.
The best skill for 3D printing
Self-hosted, invisible CAPTCHA that detects AI agents driving real browsers. GDPR, WCAG 2.2 AA, and EAA: no cookies, no third-party data sharing, and no visual or audio puzzle. With a false-positive budget enforced in CI. Proof of work, drop-in for Turnstile and reCAPTCHA.
Turn lecture slides into source-cited study PDFs and printable cheatsheets. 逐页精讲、紧凑公式纸与详细复习册，页数和中英语言比例由你选择。
An agent skill that makes videos in pure code — narrated explainers and product promos in 32 visual styles (whiteboard, ink-wash, shadow puppets, pixel art, isometric worlds, movie trailers, manga, animated maps, Swiss kinetic type, blueprints, paper collage, Bayeux tapestry, stick-figure parables, pencil tests, pen-drawn worlds…), 16:9 and 9:16.