Get the 10 hook styles as fill-in structures with why each works, its failure mode, and what content type it fits. Styles: contrarian, specific_number, curiosity_gap, confession, stop_doing, pattern_interrupt, story_open, question_hook, future_pace, bold_claim. Optionally filter to one style.

Audit a hook line: length vs the 2-second window, greeting openers, hype words vs receipts, specificity check, and detected style. Returns PASS/NEEDS WORK with named issues.

Get the beat-by-beat script structure with timings for a format: talking_head, voiceover_broll, tutorial, storytime, ugc_ad. Each includes rules that keep the format working.

Audit a full short-form script: hook quality, spoken length, single-CTA rule, hype vs receipts, zero-numbers check. Returns verdict with the hook sub-audit and format beats for comparison.

The 6 retention mechanics (open loops, payoff scheduling, pattern breaks, direct address, specificity ladder, loop endings) with how to apply each and its failure risk.

CTA rules by goal: follow, comment_seed, lead_magnet, product, save_share. Each with the rule, placement, and the one-CTA-per-video law.

The complete content-mechanics library in one payload: hook styles, script formats, retention mechanics, CTA playbook. For full agent context.