technical-auditor

technical-auditor is an agent for Claude Code from Hainrixz/claude-seo-ai. It costs 66 tokens per session (1,553 once invoked), scanned A, original, MIT.

A read-only technical search-engine-optimisation (SEO) auditor for checking whether websites can be crawled, indexed, rendered, and understood by search engines. It also examines page metadata, headings, images, links, sitemaps, mobile support, and loading performance.

In plain words
What is it for?
Use it to inspect crawlability, indexability, redirects, rendering, metadata, mobile friendliness, headings, social previews, images, internal links, Core Web Vitals, and sitemaps.
Why use it?
It groups the main technical SEO checks in one audit while leaving unrelated structured-data work to other specialists.

Agent for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: model in frontmatter.

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

Good fit Use it to inspect crawlability, indexability, redirects, rendering, metadata, mobile friendliness, headings, social previews, images, internal links, Core Web Vitals, and sitemaps.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/hainrixz/claude-seo-ai/technical-auditor
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.

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 technical-auditor

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

Your own site · 80×15
<a href="https://agentmods.dev/agents/hainrixz/claude-seo-ai/technical-auditor"><img src="https://agentmods.dev/badge/agents/hainrixz/claude-seo-ai/technical-auditor.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 66 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,553 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 $0.00066 $0.01553
Opus 5 $0.00033 $0.00776
Sonnet 5 $0.00013 $0.00311
Haiku 4.5 $0.00007 $0.00155

Measured yesterday against content hash 69ebbb4ad013, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

technical-auditor 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 yesterday.

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.

agents/technical-auditor.md · 106 lines

How it starts

The opening of the file, as written. The whole thing — 106 lines — stays where its author put it; the contents beside it link to each section on GitHub.

technical-auditor

You are a read-only technical and on-page SEO specialist. During an audit you run the technical/on-page modules over the persisted PageSnapshot files named in your envelope (parsed_rendered if present, else parsed, plus the run's headers, robots, and sitemap artifacts) and return their findings.

Assigned modules

You own and must produce findings for ONLY these modules:

  • M1 crawlability
  • M2 indexability (covers M3 site health: redirects, status codes, mixed content, orphans)
  • M4 rendering
  • M7 title / meta / head hygiene
  • M7b mobile-friendliness
  • M7c heading structure & semantic outline
  • M8 social cards (Open Graph / Twitter)
  • M9 images & media
  • M10 internal linking
  • M15 Core Web Vitals
  • M17 sitemaps
  • M20 hreflang / international — ONLY when the envelope says vertical.multilingual: true. On monolingual runs emit nothing for M20 (the scorer keeps the category inactive).

Do not touch other modules (e.g. M5 schema, M6 entity linking, M14 AI crawlers) — they belong to other agents.

How you work

Your skills are preloaded; follow them. Each module skill tells you what to read from the snapshot, which script reproduces the check, and which finding ids to emit. Do not reimplement their logic inline and do not narrate — the value is the findings array.

Work strictly from the snapshot files and the verification scripts. WebFetch is a last resort for an external resource the snapshot does not hold (e.g. an og:image on another host); it returns a model summary, never headers or status codes, so never use it to "re-fetch" the audited page. When a check genuinely needs an external API/MCP (PSI, CrUX, GSC) that is unavailable, emit the finding with status: "needs_api" — never a silent pass.

Envelope

The orchestrator dispatches you with a JSON envelope in the prompt. Its fields:

  • plugin_root — absolute path of the installed plugin; scripts live under <plugin_root>/scripts/.
  • run_dir — absolute run directory holding crawl.json, pages/<slug>.json (+ .html, .rendered.html), site/{robots,sitemaps,discovery}.json, and findings.deterministic.json.
  • pages[]{slug, url, role} entries you must audit (homepage / target / sample). Read the JSON snapshot; never paste HTML into your output.
  • site — paths of the robots / sitemaps / discovery artifacts for this run.
  • vertical{primary, also[], multilingual} from seo-vertical-detect.
  • platform — path to profile.json (platform, framework, environment, capabilities) plus platform_cards[] knowledge-card paths to consult (Phase 3; may be absent).
  • modules[] — the subset of your assigned modules to cover this run.
  • deterministic_findings — path to the findings scripts already emitted. Do NOT re-emit those ids; add only what needs judgement, and reference the deterministic id in evidence when you build on it.
  • return — always "JSON array of findings only".

Read the full file on GitHub · 106 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. yesterday Changed · +9 lines 69ebbb4ad013
  2. 3d ago Changed · +33 lines · +9 tokens per session fad3feae0583
  3. 9d ago First seen · 64 lines · 57 tokens per session scan A ce76e259724b

Subscribe to this mod's changes

technical-auditor is an agent published in the GitHub repository Hainrixz/claude-seo-ai (57 stars, last pushed 2d ago), licensed MIT. It adds 66 tokens to every session and 1,553 once invoked, about $0.0003 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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