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 lionkiii/claude-seo-skills --skill seo-rich-resultsgit clone --depth 1 https://github.com/lionkiii/claude-seo-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/lionkiii/claude-seo-skills/seo-rich-results)<a href="https://agentmods.dev/skills/lionkiii/claude-seo-skills/seo-rich-results"><img src="https://agentmods.dev/badge/skills/lionkiii/claude-seo-skills/seo-rich-results/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/lionkiii/claude-seo-skills/seo-rich-results"><img src="https://agentmods.dev/badge/skills/lionkiii/claude-seo-skills/seo-rich-results.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 | $0.00076 | $0.02111 |
| Opus 5 | $0.00038 | $0.01056 |
| Sonnet 5 | $0.00015 | $0.00422 |
| Haiku 4.5 | $0.00008 | $0.00211 |
Grade A, and why
seo-rich-results scanned grade A with 1 finding 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.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
blocked, fall back to `curl -sL <url>`. How it starts
The opening of the file, as written. The whole thing — 183 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Rich Result Eligibility Checker
Deeper than the generic schema skill: this skill answers "which rich results CAN
this page earn, and what exactly is missing?" — per-type, against Google's own
required/recommended property lists. For markup generation, use /seo-schema.
Inputs
- URL (preferred) — the page to check, or
- Page type — an archetype ("blog post", "product page", "event page") when no live URL exists yet, or
- Local HTML file — read with Read tool instead of WebFetch
Optional: existing JSON-LD pasted by the user for offline validation.
Execution
- Fetch the page. WebFetch the URL (or Read the local file). If WebFetch is
blocked, fall back to
curl -sL <url>. - Detect existing structured data. Extract every
<script type="application/ld+json">block; also note Microdata (itemscope/itemprop) and RDFa (typeof/property). JSON-LD is Google's stated preference. - Classify the page archetype from content signals (title, H1, byline, price, dates, ingredients, salary, address, thread replies).
- Check eligibility with the decision table below — map archetype → active rich result types. Reject any type on the deprecation list.
- Diff required properties. For each eligible type, compare existing markup against the required and recommended property lists below.
- Output the gap report (format under Output), with a Rich Results Test link for live verification.
Eligibility Decision Table
| Page archetype | Eligible rich result types | Source of truth |
|---|---|---|
| Blog post / news / sports article | Article (Article, NewsArticle, BlogPosting) + BreadcrumbList |
structured-data/article |
| Product page (ecommerce) | Product snippet, Merchant listing, Review snippet, BreadcrumbList | structured-data/product-snippet |
| Event / concert / webinar page | Event | structured-data/event |
| Recipe page | Recipe (+ ItemList for carousels, HowToStep for instructions) | structured-data/recipe |
| Job listing | JobPosting | structured-data/job-posting |
| Business location page | LocalBusiness | structured-data/local-business |
| Author / user / company profile | ProfilePage | structured-data/profile-page |
| Forum thread / UGC discussion | DiscussionForumPosting (or SocialMediaPosting) + Comment | structured-data/discussion-forum |
| Q&A page (one question, many answers) | QAPage (use instead of DiscussionForumPosting) | structured-data/discussion-forum |
| Page with reviews of OTHER things | Review snippet / AggregateRating | structured-data/review-snippet |
| Video page | VideoObject | structured-data/video |
| Any page with hierarchy | BreadcrumbList | structured-data/breadcrumb |
| Homepage / brand page | Organization (knowledge panel, not a rich result card) | structured-data/organization |
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 · 183 lines · 76 tokens per session scan A 5cfba7b63d19
seo-rich-results is a skill published in the GitHub repository lionkiii/claude-seo-skills (20 stars, last pushed 3mo ago), licensed MIT. It adds 76 tokens to every session and 2,111 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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