Use when the user wants to analyze active ads from Meta/Facebook, Google, or LinkedIn ad libraries; tear down a competitor's messaging; extract hooks, offers, CTAs, video transcripts, landing page claims, and test ideas from public ads.
SkillScore91Maintained
Automatic
◆Marketing & Content pack
Last verified 9/28/2026
What it changes
Passed 21 of 23 test cases with the skill, and 9 of 23 without it.
Without skill39%
With skill91%
Checks it passed that the model alone missed
The output explicitly avoids fabricating ad spend figures.
The response specifies /v1/google/ad as the detail endpoint.
The response specifies /v1/linkedin/ad as the detail endpoint.
and 10 more in the full report
12 fixed9 passed either way2 still failing0 broke
Pass-rate lift
+52 pp
Tokens
+6%
Agent turns
0%
Response time
-22%
Model gemini-3.6-flashMeasured 9/28/2026v121 of 23 cases passed with skill
Tokens, turns and time describe resource use, not a dollar price.
See it in action
One of 12 test cases the skill fixed. Same model, same prompt, with and without the skill.
1 of 12
Prompt
What API endpoint is designated for searching active sponsored content from Gong in the LinkedIn ad library?
What was checked, without and with the skill
Checked
Without skill
With skill
The response specifies /v1/linkedin/ads/search for searching LinkedIn ads.
Missed
Passed
case-12 · gemini-3.6-flash · 9/28/2026 · answers are capped and redacted
What's inside
The instructions your model reads when the skill loads.
SKILL.md107 linessingle file
Ad Library Teardown
Overview
Analyze public ads to understand a competitor's messaging, offers, creative strategy, and testing angles. The output should be a practical teardown marketers can use to write better ads or decide what to test.
When to Use
Use this skill when the user asks to:
analyze a competitor's active ads
search Meta/Facebook, Google, or LinkedIn ad libraries
extract ad hooks, CTAs, claims, offers, and landing page angles