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)