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#

ElementLengthPurposeHook5-7 wordsGrab attention; create curiosityContext1-2 sentencesSize, price, backstory--info video doesn't showCTAOptional"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)#

SpecValueNotesAspect ratio9:16 (portrait)Standard; fills mobileResolution1080x1920 pxRecommendedLength3 sec - 10 min15-60 sec for tips; 1-3 min for tutorialsFormatMP4, MOVH.264, AACFile 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#

LengthUse15-60 secQuick tips, humor, hooks1-3 minTutorials, storytelling3-10 minDeep dives (longer format)

Output Format#

When generating TikTok content, provide:

1. Caption (hook + context + CTA)
2. Video script (if video agent)
3. Video specs (9:16, 1080x1920, length)
4. 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