seo-technical

seo-technical is a skill for Claude Code, Codex from oegeyilmaz9/seo-aeo-geo-ultimate. It costs 82 tokens per session (2,308 once invoked), scanned A, original, Apache-2.0.

A technical SEO investigation guide for how websites are crawled, indexed, rendered, redirected, and described to search engines. It uses evidence such as headers, pages, robots files, sitemaps, configuration, logs, and platform documentation.

In plain words
What is it for?
Use it for crawl and index problems, canonical URLs, redirects, performance, migrations, crawler controls, traffic incidents, manual actions, hacked-site recovery, and related technical changes.
Why use it?
It separates confirmed technical behavior from guesses and turns findings into scoped recommendations without claiming that a change will improve rankings or indexing.

Skill for Claude CodeCodex

Written for Claude Code and Codex: ${CLAUDE_PLUGIN_ROOT} variable, but also agents/openai.yaml present. Also seen: mentions Claude Code; mentions Codex.

Runs only inside its plugin — its command needs a path that Claude Code sets for a plugin’s own hooks and for nothing else. Install the plugin, not this.

Part of the seo-aeo-geo-ultimate plugin — 27 skills shipped together

Good fit Use it for crawl and index problems, canonical URLs, redirects, performance, migrations, crawler controls, traffic incidents, manual actions, hacked-site recovery, and related technical changes.

Compare 6 skills from other repositories ↓
Install

Getting it into your agent

This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.

Claude Code
/plugin marketplace add oegeyilmaz9/seo-aeo-geo-ultimate
Claude Code
/plugin install seo-aeo-geo-ultimate

Made for: Claude Code, Codex.

Or install seo-aeo-geo-ultimate, the plugin that ships this one along with the rest of its 27 skills.

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-technical

README.md
[![agentmods](https://agentmods.dev/badge/skills/oegeyilmaz9/seo-aeo-geo-ultimate/seo-technical/github.svg)](https://agentmods.dev/skills/oegeyilmaz9/seo-aeo-geo-ultimate/seo-technical)
Your own site
<a href="https://agentmods.dev/skills/oegeyilmaz9/seo-aeo-geo-ultimate/seo-technical"><img src="https://agentmods.dev/badge/skills/oegeyilmaz9/seo-aeo-geo-ultimate/seo-technical/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-technical

Your own site · 80×15
<a href="https://agentmods.dev/skills/oegeyilmaz9/seo-aeo-geo-ultimate/seo-technical"><img src="https://agentmods.dev/badge/skills/oegeyilmaz9/seo-aeo-geo-ultimate/seo-technical.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 82 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,308 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.
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 $0.00082 $0.02308
Opus 5 $0.00041 $0.01154
Sonnet 5 $0.00016 $0.00462
Haiku 4.5 $0.00008 $0.00231

Measured 11d ago against content hash f2ede4fe4fc6, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

seo-technical 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 11d 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-technical/SKILL.md · 84 lines

How it starts

The opening of the file, as written. The whole thing — 84 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Technical SEO

Purpose

Diagnose concrete technical behavior from headers, raw and rendered pages, robots files, sitemap inventories, application configuration, field data, logs, and platform documentation. Create scoped implementation recommendations; do not deploy code, alter production directives, or claim an indexing/ranking outcome.

For an optional llms.txt request, create a maintained publisher guide—not a crawler directive or promised visibility control. Recommend it as a reasonable low-cost future-readiness layer when it can stay aligned with truthful public sources and has a maintenance owner; a documented consumer strengthens the case but is not mandatory.

Read references/technical-evidence-protocol.md before a formal technical audit. Read external-claim-adjudication.md when evaluating third-party audit or scanner claims. Read live-verification-matrix.md before closing a released technical, template, redirect, sitemap, canonical, hreflang, or indexability change. Read favicon-search-protocol.md when a site lacks a search-result icon, has the wrong icon, or a broad site optimization includes hostname identity. For feature lifecycle, crawler, IndexNow/change notification, or protocol-capability work, also read platform-control-protocol.md and validate the current registry before recommending a control. For llms.txt suitability, generation, validation, or publishing, read llms-txt-protocol.md and use its bundled template and validator. For a migration/replatforming, sudden traffic or indexation incident, manual action, or hacked-site recovery, read migration-and-recovery-protocol.md before recommending or approving a response.

Evidence before recommendations

Collect the affected URLs, expected state, locale/device where relevant, timestamp, HTTP response/headers, raw HTML, rendered output when JavaScript is involved, canonicals/robots directives, sitemap membership, redirects, and any authorized first-party reporting. For performance, distinguish lab diagnostics from field/user data. For crawler behavior, distinguish a request in logs from a search/index/AI-answer outcome.

Read the full file on GitHub · 84 lines

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. 11d ago First seen · 84 lines · 82 tokens per session scan A f2ede4fe4fc6

Subscribe to this mod's changes

seo-technical is a skill published in the GitHub repository oegeyilmaz9/seo-aeo-geo-ultimate (2 stars, last pushed 22d ago), licensed Apache-2.0. It adds 82 tokens to every session and 2,308 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 2026-08-31.

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