seo-vertical-detect

seo-vertical-detect is a skill for Claude Code from Hainrixz/claude-seo-ai. It costs 71 tokens per session (608 once invoked), scanned A, original, MIT.

A website classifier that identifies whether a site is an online shop, local business, blog, software service, documentation site, or none of these, and detects its languages.

In plain words
What is it for?
Reading observable website signals such as prices, addresses, article data, documentation routes, and language tags, then reporting the matching site types and locales.
Why use it?
It helps an SEO workflow choose which checks apply to the site instead of running every check equally.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

Part of the claude-seo-ai plugin — 34 skills, 5 agents, 1 hook shipped together

Good fit Reading observable website signals such as prices, addresses, article data, documentation routes, and language tags, then reporting the matching site types and locales.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/hainrixz/claude-seo-ai/seo-vertical-detect
Install

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.

Any agent
npx skills add Hainrixz/claude-seo-ai --skill seo-vertical-detect
Clone the repo
git clone --depth 1 https://github.com/Hainrixz/claude-seo-ai

Made for: Claude Code.

Or install claude-seo-ai, the plugin that ships this one along with the rest of its 34 skills, 5 agents, 1 hook.

Wrote 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.

agentmods badge for seo-vertical-detect

README.md
[![agentmods](https://agentmods.dev/badge/skills/hainrixz/claude-seo-ai/seo-vertical-detect/github.svg)](https://agentmods.dev/skills/hainrixz/claude-seo-ai/seo-vertical-detect)
Your own site
<a href="https://agentmods.dev/skills/hainrixz/claude-seo-ai/seo-vertical-detect"><img src="https://agentmods.dev/badge/skills/hainrixz/claude-seo-ai/seo-vertical-detect/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.

agentmods 80×15 button for seo-vertical-detect

Your own site · 80×15
<a href="https://agentmods.dev/skills/hainrixz/claude-seo-ai/seo-vertical-detect"><img src="https://agentmods.dev/badge/skills/hainrixz/claude-seo-ai/seo-vertical-detect.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 71 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 608 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00071 $0.00608
Opus 5 $0.00036 $0.00304
Sonnet 5 $0.00014 $0.00122
Haiku 4.5 $0.00007 $0.00061

Measured 6d ago against content hash 288dd6d3e40e, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

seo-vertical-detect 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 6d 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.

skills/seo-vertical-detect/SKILL.md · 34 lines

What it actually says

seo-vertical-detect

Given the PageSnapshot, classify the site so the orchestrator can route conditional modules. Read references/routing.md for the signal table.

Inputs

Read-only over persisted data — no fetching: the homepage parsed (jsonld[], anchors[], metas[], hreflang[], <html lang>, text_sample) from <run_dir>/pages/<slug>.json, <run_dir>/crawl.json (route patterns, templates), <run_dir>/site/discovery.json (llms.txt presence), and the vertical_hints[] emitted by detect-platform.mjs in <run_dir>/profile.json (e.g. WooCommerce/Shopify → ecommerce; a docs generator → docs). Hints are signals, not verdicts — cite them in signals like any other evidence.

Method

Score each vertical from observable signals (not guesses):

  • ecommerceProduct/Offer JSON-LD, cart/checkout/add-to-cart routes or buttons, price + currency elements, og:type=product.
  • local-businessLocalBusiness JSON-LD, NAP block (name/address/phone), maps embed, opening hours, store-locator.
  • blog-publisherArticle/BlogPosting JSON-LD, author bylines/author pages, RSS/Atom <link>, dated post archives.
  • saas — pricing/signup/login routes, SoftwareApplication schema, feature/integration/docs pages.
  • docs — docs/reference routes, sidebar/version nav, dense code blocks, present llms.txt.
  • generic — none dominates.

A site can match several; return all that clear the threshold, ranked, plus a primary.

Locales: detect hreflang tags, <html lang>, and locale-prefixed routes (/es/, /fr/). If >1 locale, flag multilingual so M20 (hreflang) activates.

Output

{ "primary": "ecommerce", "also": ["blog-publisher"], "multilingual": true, "locales": ["en","es"],
  "signals": { "ecommerce": ["Product JSON-LD on /p/...", "cart route /cart"], "...": [] } }

Base every classification on a cited signal in signals — never label a vertical without evidence.

Changes

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.

  1. 6d ago Changed · +4 lines · +13 tokens per session 288dd6d3e40e
  2. 12d ago First seen · 30 lines · 58 tokens per session scan A afc2410ceab3

Subscribe to this mod's changes

seo-vertical-detect is a skill published in the GitHub repository Hainrixz/claude-seo-ai (59 stars, last pushed 5d ago), licensed MIT. It adds 71 tokens to every session and 608 once invoked, about $0.0004 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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