fix

fix is a skill for Claude Code from Hainrixz/claude-seo-ai. It costs 132 tokens per session (3,050 once invoked), scanned A, original, MIT.

A user-triggered fixer for safe, predictable search-engine and AI-search improvements in website code. It can preview proposed changes before writing them.

In plain words
What is it for?
Use it to apply or review changes involving metadata, structured data, crawler rules, language links, sitemaps, social previews, image dimensions, canonical links, and llms.txt.
Why use it?
It separates automatic technical edits from editorial suggestions and requires confirmation before modifying files.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: mentions subagents; mentions Claude Code.

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

Good fit Use it to apply or review changes involving metadata, structured data, crawler rules, language links, sitemaps, social previews, image dimensions, canonical links, and llms.txt.

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 Hainrixz/claude-seo-ai
Claude Code
/plugin install 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 fix

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

Your own site · 80×15
<a href="https://agentmods.dev/skills/hainrixz/claude-seo-ai/fix"><img src="https://agentmods.dev/badge/skills/hainrixz/claude-seo-ai/fix.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 132 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,050 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 $0.00132 $0.03050
Opus 5 $0.00066 $0.01525
Sonnet 5 $0.00026 $0.00610
Haiku 4.5 $0.00013 $0.00305

Measured 2d ago against content hash 97a31906c3e8, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

fix 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 2d 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/fix/SKILL.md · 160 lines

How it starts

The opening of the file, as written. The whole thing — 160 lines — stays where its author put it; the contents beside it link to each section on GitHub.

fix (opt-in writer)

disable-model-invocation: true means the model can never trigger this on its own — only the user running /claude-seo-ai:fix. Writes happen only through the seo-fixer-writer subagent (the one agent with Write/Edit) and only after explicit confirmation.

--category filters the report's findings and matches on a finding's module id (M5, M7, M17, …), its axis (search, ai, or both — which matches both of the other two), its fixable class (auto, proposed, advisory), or its scope (page, site, …), case-insensitively. It is not a topic vocabulary and it does not split on commas: repeat the flag to widen the filter (--category M5 --category M17). Translate what the user asks for into those words — "fix my schema" is --category M5, "just the safe ones" is --category auto — and say which filter you applied. --target accepts the adapter ids plus the aliases local, shopify, wordpress, manual, and the provider names webflow/wix/ghost/hubspot/bigcommerce (each expands to page-api).

Two absolutes, before anything else:

  • Never fix from memory. Every change comes from a persisted report.json on disk. If there is no report for this target, run the audit first — do not reconstruct findings from the transcript.
  • You never write. This thread runs read-only ops (capabilities, plan, preview, verify). apply, publish and rollback belong to the writer subagent, and each needs a ticket.

Fixability classes (from each finding's fixable field — see schema/finding.schema.json)

  • AUTO — deterministic, additive, machine-verifiable, low-semantic-risk. May be written (with diff + confirmation): meta viewport/charset/<html lang>; Tier-1 JSON-LD blocks; sameAs/ @id/dateModified (from confirmed inputs only); robots.txt AI-crawler presets + Sitemap: line; self-referential canonical; hreflang link sets; OG/Twitter cards; image width/height; XML sitemap entries; llms.txt (disclosure-gated, scored 0).
  • PROPOSED — changes prose or meaning; draft the diff and require a per-item accept: generated <title> and meta description, answer-block/TL;DR rewrites, internal-link insertions, heading restructuring, generated image alt text.
  • ADVISORY — never written: content/E-E-A-T rewrites, added stats or citations, Core Web Vitals, rendering strategy, redirects/status codes, link-building, Merchant Center/GBP backend data.

Read the full file on GitHub · 160 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. 2d ago Changed · +124 lines 97a31906c3e8
  2. 4d ago Changed · +3 lines · +33 tokens per session 73771259126d
  3. 10d ago First seen · 33 lines · 99 tokens per session scan A 9618355cda22

Subscribe to this mod's changes

fix is a skill published in the GitHub repository Hainrixz/claude-seo-ai (58 stars, last pushed 3d ago), licensed MIT. It adds 132 tokens to every session and 3,050 once invoked, about $0.0007 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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