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 cosmicstack-labs/mercury-agent-skills --skill seo-strategygit clone --depth 1 https://github.com/cosmicstack-labs/mercury-agent-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/cosmicstack-labs/mercury-agent-skills/seo-strategy)<a href="https://agentmods.dev/skills/cosmicstack-labs/mercury-agent-skills/seo-strategy"><img src="https://agentmods.dev/badge/skills/cosmicstack-labs/mercury-agent-skills/seo-strategy/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/cosmicstack-labs/mercury-agent-skills/seo-strategy"><img src="https://agentmods.dev/badge/skills/cosmicstack-labs/mercury-agent-skills/seo-strategy.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 1 finding, up to high
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- high Prompt Injection · line 302 Hidden instructions were detected in comments or invisible text. These could contain malicious directives. Manual review is recommended.Fix: Audit all comments and invisible characters. Remove any instructions that direct the agent to perform unauthorized actions. Use plain, reviewable content.
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 | $0.00044 | $0.06440 |
| Opus 5 | $0.00022 | $0.03220 |
| Sonnet 5 | $0.00009 | $0.01288 |
| Haiku 4.5 | $0.00004 | $0.00644 |
Grade A, and why
seo-strategy 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.
How it starts
The opening of the file, as written. The whole thing — 640 lines — stays where its author put it; the contents beside it link to each section on GitHub.
SEO Strategy
Core Principles
1. Search Engines Want What Users Want
Google's mission is to organize the world's information and make it universally accessible. Every algorithm update rewards content and technical setups that serve user intent. SEO is not about "gaming the system" — it is about making your site the best answer to a searcher's question.
2. Content is the Foundation, Not an Add-On
No amount of technical optimization can save thin, irrelevant, or unhelpful content. SEO begins with understanding what your audience searches for and creating resources that genuinely satisfy that need. Technical SEO opens the door; content quality earns the ranking.
3. Authority is Earned, Not Built
Search engines evaluate authority through signals like backlinks, brand mentions, E-E-A-T signals, and user engagement metrics. You cannot buy authority or shortcut it with spammy tactics. Consistent value delivery over time is the only durable path.
4. Technical Health is Table Stakes
If search engines cannot crawl, render, and index your pages, your content quality is irrelevant. Technical SEO is not optional — it is the prerequisite for every other effort. Core Web Vitals, mobile usability, and structured data are minimum requirements in 2024.
5. SEO is a Marathon, Not a Sprint
Meaningful organic growth takes 3–6 months minimum for new content and 6–18 months for new domains. Algorithm updates, competitor moves, and shifting user behavior mean SEO requires continuous investment. Quick wins exist, but sustainable rankings are earned through consistency.
6. Data Drives Decisions, Not Hunches
Every SEO decision should be grounded in data: search volume, click-through rates, conversion rates, ranking positions, crawl errors, and user behavior. If you cannot measure it, you cannot optimize it.
SEO Maturity Model
| Level | Name | Characteristics | Technical Foundation | Content Approach | Measurement |
|---|---|---|---|---|---|
| L1 | Unoptimized | No tracking, no structured approach, content published without SEO consideration | No sitemap, default robots.txt, no structured data | Ad-hoc, no keyword research | None or basic Google Analytics |
| L2 | Foundational | Basic keyword research, manual tracking, meta tags optimized | Static sitemap, basic robots.txt, manual canonical tags | Keyword-stuffed, single-page focus | Google Search Console set up |
| L3 | Systematic | Structured keyword strategy, regular content publishing, basic link building | Dynamic sitemap, automated canonicalization, Core Web Vitals monitored | Topic clusters, content calendar, keyword mapping | Monthly reporting, rank tracking |
| L4 | Data-Driven | Content gap analysis, competitive intelligence, programmatic SEO | Structured data across site, CDN/edge optimization, mobile-first | Authority building, E-E-A-T signals, pillar pages | Conversion tracking, attribution modeling |
| L5 | Optimized & Scaling | Automated SEO workflows, predictive analytics, multi-market | Full SEO automation, real-time monitoring, AI-assisted optimization | Content at scale with quality control | Full attribution, predictive ranking, ROI modeling |
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 · 640 lines · 44 tokens per session scan A c646ca38a8eb
seo-strategy is a skill published in the GitHub repository cosmicstack-labs/mercury-agent-skills (470 stars, last pushed 17d ago), licensed MIT. It adds 44 tokens to every session and 6,440 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 2026-09-03.
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