Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add TheMattBerman/meta-ads-kit --skill ad-creative-monitorgit clone --depth 1 https://github.com/TheMattBerman/meta-ads-kitWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/themattberman/meta-ads-kit/ad-creative-monitor)<a href="https://agentmods.dev/skills/themattberman/meta-ads-kit/ad-creative-monitor"><img src="https://agentmods.dev/badge/skills/themattberman/meta-ads-kit/ad-creative-monitor/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/themattberman/meta-ads-kit/ad-creative-monitor"><img src="https://agentmods.dev/badge/skills/themattberman/meta-ads-kit/ad-creative-monitor.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00035 | $0.00523 |
| Opus 5 | $0.00017 | $0.00262 |
| Sonnet 5 | $0.00007 | $0.00105 |
| Haiku 4.5 | $0.00003 | $0.00052 |
Grade A, and why
ad-creative-monitor scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 12d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
Ad Creative Monitor — Catch Fatigue Early
Creative fatigue is the silent killer of ad accounts. CTR drops 0.1% per day, frequency ticks up, CPC quietly inflates — and by the time you notice in Ads Manager, you've burned through budget.
This skill watches for those signals daily and flags creatives that need rotation.
How It Works
Fatigue Signals (ranked by severity)
| Signal | Threshold | Severity |
|---|---|---|
| CTR dropping 3+ days in a row | >20% decline from peak | 🔴 Critical |
| Frequency above 3.5 | Audience seeing ad too often | 🟡 Warning |
| CPC rising 3+ days in a row | >15% increase from baseline | 🟡 Warning |
| Impressions declining | Ad losing delivery | 🟠 Monitor |
The Check
# Run fatigue check (mock/read-only via local adapter)
./run.sh fatigue
Reports
Fatigue Check
Daily scan of all active ads for fatigue signals.
Tell me: "Check for creative fatigue"
Or: "Are any ads getting stale?"
Creative Leaderboard
Rank all active creatives by efficiency (CTR × spend volume).
Tell me: "Rank my creatives"
Or: "Which creatives are strongest?"
Rotation Recommendations
Based on fatigue signals, recommend which creatives to pause and when new ones are needed.
Tell me: "What needs to be rotated?"
Or: "Which ads need fresh creative?"
Invocation
- Pull ad-level insights with daily time increment via
./scripts/meta-kit.sh - Calculate day-over-day CTR, CPC, and frequency trends
- Flag any ad showing fatigue signals
- Compare against benchmarks in
ad-config.json - Present findings with clear severity ratings
- Recommend rotation schedule if fatigue detected
- Log findings to
workspace/brand/learnings.md
Writes
| File | What it contains |
|---|---|
workspace/brand/learnings.md |
Fatigue patterns, creative lifespan data |
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 12d ago First seen · 86 lines · 35 tokens per session scan A cb17c7dfc750
ad-creative-monitor is a skill published in the GitHub repository TheMattBerman/meta-ads-kit (321 stars, last pushed 3mo ago), licensed MIT. It adds 35 tokens to every session and 523 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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