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 phuonghx/aim-cli --skill seo-fundamentalsgit clone --depth 1 https://github.com/phuonghx/aim-cliWrote 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/phuonghx/aim-cli/seo-fundamentals)<a href="https://agentmods.dev/skills/phuonghx/aim-cli/seo-fundamentals"><img src="https://agentmods.dev/badge/skills/phuonghx/aim-cli/seo-fundamentals/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/phuonghx/aim-cli/seo-fundamentals"><img src="https://agentmods.dev/badge/skills/phuonghx/aim-cli/seo-fundamentals.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00074 | $0.00842 |
| Opus 5.5 | $0.00030 | $0.00337 |
| Sonnet 5.5 | $0.00015 | $0.00168 |
| Haiku 4.5 | $0.00007 | $0.00084 |
Grade A, and why
seo-fundamentals 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 1mo 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 — 109 lines — stays where its author put it; the contents beside it link to each section on GitHub.
SEO Fundamentals
Earning search visibility comes down to trustworthy content served on a technically sound site -- and the patience to let it compound.
E-E-A-T: the quality lens
Google's raters judge content through four overlapping qualities:
- Experience -- evidence of first-hand use: real screenshots, original examples, lived detail.
- Expertise -- demonstrated command of the subject and relevant credentials.
- Authoritativeness -- recognition from others: links, citations, mentions in the field.
- Trustworthiness -- HTTPS, honest claims, accurate and verifiable information.
Core Web Vitals
| Metric | Target | What it measures |
|---|---|---|
| LCP | under 2.5s | Loading speed of the main content |
| INP | under 200ms | Responsiveness to user input |
| CLS | under 0.1 | Visual stability during load |
Technical foundations
Crawlability and indexing
- XML sitemap -- hands crawlers a map of your pages.
- robots.txt -- declares what bots may and may not fetch.
- Canonical tags -- consolidate duplicate or near-duplicate URLs.
- HTTPS -- a baseline trust and ranking signal.
Delivery
- Fast pages satisfy a Core Web Vital and keep users around.
- Mobile-friendliness is a ranking factor in its own right.
- Clean, readable URLs help both crawlers and people.
On-page content
The key elements
- Title tag -- ~50-60 characters, lead with the primary keyword.
- Meta description -- ~150-160 characters, written to earn the click.
- H1 -- one per page, carrying the main topic.
- H2-H6 -- a logical, nested outline.
- Image alt text -- descriptive and natural, never keyword-stuffed.
What makes content rank
- Depth -- cover the topic thoroughly enough to satisfy intent.
- Freshness -- revisit and update when things change.
- Originality -- add value that isn't already everywhere else.
- Readability -- clear prose beats dense filler.
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.
- 1mo ago First seen · 109 lines · 74 tokens per session scan A b7a2fe1a8801
seo-fundamentals is a skill published in the GitHub repository phuonghx/aim-cli (1 stars, last pushed 3mo ago), licensed MIT. It adds 74 tokens to every session and 842 once invoked, about $0.0003 per session on Opus 5.5. 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 2026-08-31.
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