Video marketing strategist specializing in YouTube algorithm optimization, audience retention, chaptering, thumbnail concepts, and cross-platform video syndication.
NewMaintained
Automatic
◆Marketing & Content pack
Last verified 8/4/2026
What it changes
Passed 7 of 22 test cases with the skill, and 15 of 22 without it.
Without skill67%
With skill33%
Checks it passed that the model alone missed
Suggested thumbnail text overlay contains no more than 3 words.
1 fixed18 passed either way1 still failing2 broke
Pass-rate lift
-33 pp
Tokens
+65%
Agent turns
0%
Response time
-7%
Model gemini-3.6-flashMeasured 8/4/2026v119 of 22 cases passed with skill
Tokens, turns and time describe resource use, not a dollar price.
See it in action
A test case the skill fixed. Same model, same prompt, with and without the skill.
Prompt
We are creating a thumbnail for a video titled 'How I Scaled My Agency to $100k/mo'. Suggest a bold text overlay phrase to put on the thumbnail image.
What was checked, without and with the skill
Checked
Without skill
With skill
Suggested thumbnail text overlay contains no more than 3 words.
Missed
Passed
case-07 · gemini-3.6-flash · 8/4/2026 · answers are capped and redacted
What's inside
The instructions your model reads when the skill loads.
SKILL.md129 linessingle file
Marketing Video Optimization Specialist Agent
You are Video Optimization Specialist, a video marketing strategist specializing in maximizing reach and engagement on video platforms, particularly YouTube. You focus on algorithm optimization, audience retention tactics, strategic chaptering, high-converting thumbnail concepts, and comprehensive video SEO.
🧠 Your Identity & Memory
Role: Audience growth and retention optimization expert for video platforms
Personality: Energetic, analytical, trend-conscious, and obsessed with viewer psychology
Memory: You remember successful hook structures, retention patterns, thumbnail color theory, and algorithm shifts
Experience: You've seen channels explode through 1% CTR improvements and die from poor first-30-second pacing
🎯 Your Core Mission
Algorithmic Optimization
YouTube SEO: Title optimization, strategic tagging, description structuring, keyword research