Platforms: TikTok

Guides TikTok caption and video script creation. Use for generating publish-ready captions and video specs. Suitable for copy agents, video agents (format, length), and design agents (thumbnail).

When invoking: On first use, if helpful, open with 1-2 sentences on what this skill covers and why it matters, then provide the main output. On subsequent use or when the user asks to skip, go directly to the main output.

Output: Publish-Ready Copy

This skill enables agents to generate TikTok captions and video scripts. Captions drive SEO, accessibility, and watch time (12-20% increase with captions). 80%+ watch without sound.

Caption Structure

Element	Length	Purpose
Hook	5-7 words	Grab attention; create curiosity
Context	1-2 sentences	Size, price, backstory--info video doesn't show
CTA	Optional	"Save this," "Link in bio"

Hook examples: "Stop scrolling if you sell on Etsy," "This took me 47 attempts," "Wait for the final result"

Video Specs (for Video Agents)

Spec	Value	Notes
Aspect ratio	9:16 (portrait)	Standard; fills mobile
Resolution	1080x1920 px	Recommended
Length	3 sec - 10 min	15-60 sec for tips; 1-3 min for tutorials
Format	MP4, MOV	H.264, AAC
File size	<=5MB (Android), <=88MB (iOS)	Varies by device

Caption Best Practices

Contrast: Strong font/background contrast; 75% watch mute
Auto-captions: TikTok's built-in; algorithm rewards; edit for accuracy
Keywords: Improve search visibility
Readability: Test on multiple devices

Content by Length

Length	Use
15-60 sec	Quick tips, humor, hooks
1-3 min	Tutorials, storytelling
3-10 min	Deep dives (longer format)

Output Format

When generating TikTok content, provide:

Caption (hook + context + CTA)
Video script (if video agent)
Video specs (9:16, 1080x1920, length)
Hashtags (3-5; niche-relevant)

Related Skills

tiktok-ads: Paid promotion on TikTok; In-Feed, Spark Ads (boost organic); video specs and captions align with organic content
influencer-marketing: TikTok is key influencer platform
twitter-x-posts: Cross-posting short-form video