meta-data-optimization

meta-data-optimization is a skill for Claude Code, Codex from thisisAhsanIqbal/nextjs-seo-audit. It costs 50 tokens per session (989 once invoked), scanned A, original, MIT.

A checker for the HTML information that search engines and social networks use to describe a page.

In plain words
What is it for?
Use it to audit or improve title tags, meta descriptions, Open Graph metadata, and Twitter Card metadata.
Why use it?
It finds missing or poorly written page titles, search-result descriptions, Open Graph tags for social previews, and Twitter Card tags.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Needs its repository: it reads a path above its own folder, which exists only inside the repository. The line is **Note**: Canonical URLs, robots directives, and indexability checks are handled by the [technical-seo](../technical-seo/SKILL.md) skill. Do not duplicate those.

Good fit Use it to audit or improve title tags, meta descriptions, Open Graph metadata, and Twitter Card metadata.

Compare 6 skills from other repositories ↓
Install

Getting it into your agent

It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.

Clone the repo
git clone --depth 1 https://github.com/thisisAhsanIqbal/nextjs-seo-audit
agentmods
npx agentmods add skills/thisisahsaniqbal/nextjs-seo-audit/meta-data-optimization

Made for: Claude Code, Codex.

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 meta-data-optimization

README.md
[![agentmods](https://agentmods.dev/badge/skills/thisisahsaniqbal/nextjs-seo-audit/meta-data-optimization/github.svg)](https://agentmods.dev/skills/thisisahsaniqbal/nextjs-seo-audit/meta-data-optimization)
Your own site
<a href="https://agentmods.dev/skills/thisisahsaniqbal/nextjs-seo-audit/meta-data-optimization"><img src="https://agentmods.dev/badge/skills/thisisahsaniqbal/nextjs-seo-audit/meta-data-optimization/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 meta-data-optimization

Your own site · 80×15
<a href="https://agentmods.dev/skills/thisisahsaniqbal/nextjs-seo-audit/meta-data-optimization"><img src="https://agentmods.dev/badge/skills/thisisahsaniqbal/nextjs-seo-audit/meta-data-optimization.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 50 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 989 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 $0.00050 $0.00989
Opus 5.5 $0.00020 $0.00396
Sonnet 5.5 $0.00010 $0.00198
Haiku 4.5 $0.00005 $0.00099

Measured 2mo ago against content hash aa3e9c3cd535, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

meta-data-optimization 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 2mo 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/meta-data-optimization/SKILL.md · 98 lines

How it starts

The opening of the file, as written. The whole thing — 98 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Meta Data Optimization

Audit title, description, Open Graph, and Twitter Card meta tags.

Note: Canonical URLs, robots directives, and indexability checks are handled by the technical-seo skill. Do not duplicate those checks here.

1. Title tag

Check Rule Status
Missing <title> Critical for SEO ❌ FAIL
Title < 30 characters Too short ⚠️ WARN
Title > 60 characters May be truncated in SERPs ⚠️ WARN
Title 30–60 characters Optimal length ✅ PASS
Title is ALL CAPS (and > 5 chars) Perceived as spammy ⚠️ WARN

Title quality checks

  • Keyword at start (position 0): ✅ PASS "Best placement"
  • Keyword near start (position ≤ 20): ✅ PASS
  • Keyword late (position > 20): ⚠️ WARN "Place keyword earlier"
  • Separator present (|, -, –, —, :): ✅ PASS "Good brand + keyword pattern"
  • Power words (best, guide, ultimate, how to, tips, review, top, free, new, proven): ✅ PASS "May improve CTR"
  • Contains number: ✅ PASS "Numbers in titles can boost CTR"

2. Meta description

Check Rule Status
Missing <meta name="description"> Needs one for SERP snippets ❌ FAIL
Description < 120 characters Too short ⚠️ WARN
Description > 160 characters May be truncated ⚠️ WARN
Description 120–160 characters Optimal ✅ PASS

3. Character encoding

Check Status
<meta charset="utf-8"> or <meta http-equiv="Content-Type"> present ✅ PASS
Neither present ⚠️ WARN "Add charset meta tag"

4. Open Graph tags

Check for these required OG tags:

Tag Missing =
og:title ⚠️ WARN
og:description ⚠️ WARN
og:image ⚠️ WARN
og:url ⚠️ WARN
og:type ⚠️ WARN
  • All present → ✅ PASS "All required Open Graph tags present"
  • All missing → ❌ FAIL "No Open Graph tags found — social sharing will use defaults"

OG image dimensions

If og:image exists, check for og:image:width and og:image:height:

  • Both present → ✅ PASS
  • Missing → ⚠️ WARN "Missing og:image:width / og:image:height"

Read the full file on GitHub · 98 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. 2mo ago First seen · 98 lines · 50 tokens per session scan A aa3e9c3cd535

Subscribe to this mod's changes

meta-data-optimization is a skill published in the GitHub repository thisisAhsanIqbal/nextjs-seo-audit (7 stars, last pushed 8mo ago), licensed MIT. It adds 50 tokens to every session and 989 once invoked, about $0.0002 per session on Opus 5.5. 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.

Related

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