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 kostja94/marketing-skills --skill cookie-policygit clone --depth 1 https://github.com/kostja94/marketing-skillsWrote 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/kostja94/marketing-skills/cookie-policy)<a href="https://agentmods.dev/skills/kostja94/marketing-skills/cookie-policy"><img src="https://agentmods.dev/badge/skills/kostja94/marketing-skills/cookie-policy/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/kostja94/marketing-skills/cookie-policy"><img src="https://agentmods.dev/badge/skills/kostja94/marketing-skills/cookie-policy.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 | $0.00066 | $0.01708 |
| Opus 5 | $0.00033 | $0.00854 |
| Sonnet 5 | $0.00013 | $0.00342 |
| Haiku 4.5 | $0.00007 | $0.00171 |
Grade A, and why
cookie-policy-page-generator 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 8d 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.
Copies of this mod
1 near-identical copy found in the catalogue:
- cookie-policy-page-generator — 100% identical, 0 lines differ
How it starts
The opening of the file, as written. The whole thing — 145 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Pages: Cookie Policy
Guides cookie policy page content for transparency and regulatory compliance. Often presented as a standalone page or as part of the Privacy Policy.
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.
Initial Assessment
Identify:
- Cookie inventory: List every cookie the site actually sets — check
_ga,_ga_*, session cookies, CSRF tokens, preference cookies, ad cookies - Consent requirement: Does the site need a notice or a consent banner? See §Notice vs Consent
- Jurisdiction: GDPR/ePrivacy (EU), CCPA (California), other regions
- Product category: Free anonymous, freemium, SaaS, e-commerce — affects which cookies exist
Cookie Inventory: Common Patterns
Google Analytics 4 (GA4)
| Cookie | Type | Purpose | Duration | How to Opt Out |
|---|---|---|---|---|
_ga |
Analytics | Distinguishes users; used for aggregate usage measurement | 2 years | GA opt-out browser add-on, block third-party cookies, or enable Do Not Track |
_ga_<container-id> |
Analytics | Persists session state; used with _ga for session-level metrics |
2 years | Same as _ga |
Disclosure requirement: If the site uses Google Analytics, the cookie policy MUST list these cookies. GA ToS §7 requires posted privacy/cookie notice.
Functional / Session Cookies
| Cookie | Type | Purpose | Duration | How to Opt Out |
|---|---|---|---|---|
| Session ID | Essential | Maintains user session across page loads | Session (deleted on browser close) | Required for service; cannot be disabled |
| CSRF Token | Essential | Prevents cross-site request forgery attacks | Session | Required for security; cannot be disabled |
| Fair-use quota | Functional | Counts daily usage for rate limiting | 24 hours | Clear browser data; resets on next visit |
| Language preference | Functional | Remembers user's language choice | 30 days – 1 year | Clear browser data |
| Dark mode / theme | Functional | Remembers display preference | 30 days – 1 year | Clear browser data |
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.
- 8d ago First seen · 145 lines · 66 tokens per session scan A 1e50fbb490e8
cookie-policy-page-generator is a skill published in the GitHub repository kostja94/marketing-skills (963 stars, last pushed 3mo ago), licensed MIT. It adds 66 tokens to every session and 1,708 once invoked, about $0.0003 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 2026-09-03.
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