Best SEO Skills for Claude Code
The complete SEO toolkit for Claude Code — technical audits, on-page diagnosis, schema markup, SERP analysis, and content optimization for both Google and AI search engines.
Use when the user asks to "optimize meta tags", "write title tags / meta descriptions", "add Open…
Excellent two-mode SERP markup skill: 129-line SKILL.md plus 827 lines of bundled references, per-mode done-when checks, validation steps, current deprecation notes and a JS-injected-schema caveat. Only the schema_lint pre-flight script and sibling-skill paths are not shipped.
Use when the user asks to "check technical SEO"; audits crawlability, indexing, Core Web Vitals, …
Comprehensive technical SEO reviewer: nine-step audit with thresholds, migration and LLM-crawler playbooks, eight bundled references, decision gates, and a dry-run-by-default index-push write channel. Connector scripts and sibling paths remain outside the zip.
Use when the user asks to "audit on-page SEO" or "diagnose why a single page dropped"; scores tit…
Strong reviewer skill: 11-step audit workflow with per-element scores, keyword-inference fallback, decision gates, bulk mode playbook and four bundled references. Connector scripts and sibling-skill paths are not shipped, slightly hurting standalone robustness.
Use when the user asks to "write SEO content", "draft a blog post / landing page", "update outdat…
Strong dual-mode writing skill with 18 concrete steps, decision gates and a final self-check, backed by seven bundled references; a few shared external docs are absent.
Use when auditing content quality, E-E-A-T, or publish readiness; runs a typed 80-item CORE-EEAT …
Mature fail-closed CORE-EEAT auditor with veto semantics, guardrails, capped refinement loop and bundled immutable runtime; root runbook and scorer scripts are not shipped.
Use when the user asks to "optimize for AI citations"; improves citation readiness for ChatGPT, P…
Focused GEO optimizer with six bundled references citing official engine documentation and a strong proxy-vs-surfacing measurement discipline; lacks explicit decision gates.
Use when the user asks to "analyze the SERP" or "SERP分析"; maps SERP features, layout, ranking fac…
Solid SERP analyzer with weighted True Difficulty scoring, dual-engine corroboration and evidence binding; slightly thinner triggers and missing shared references.
Score comparison
How the top 7 compare across the six evaluation dimensions (0–10). Full written rationale for every score is on each skill's page.
| Skill | Overall | Trigger | Structure | Workflow | Content | Engineering | Security |
|---|---|---|---|---|---|---|---|
| serp-markup-builder | 9.4 | 9.5 | 10.0 | 9.6 | 9.0 | 8.0 | 9.5 |
| technical-seo-checker | 9.3 | 9.0 | 10.0 | 9.6 | 9.0 | 8.0 | 9.5 |
| on-page-seo-checker | 9.2 | 8.5 | 10.0 | 9.6 | 9.0 | 8.0 | 9.5 |
| content-writer | 8.9 | 9.5 | 8.7 | 9.2 | 8.0 | 6.0 | 10.0 |
| content-quality-auditor | 8.8 | 9.0 | 8.7 | 9.6 | 9.0 | 5.0 | 9.5 |
| geo-content-optimizer | 8.7 | 9.5 | 8.7 | 8.4 | 8.0 | 6.0 | 10.0 |
| serp-analysis | 8.6 | 9.0 | 8.7 | 8.4 | 8.0 | 6.0 | 10.0 |
FAQ
Can Claude Code do SEO?
Yes — with SEO skills installed, Claude Code runs technical audits (crawlability, Core Web Vitals), diagnoses underperforming pages, generates schema markup, and writes search-intent-optimized content. The full workflow from audit to publish is covered.
What is the best SEO skill for Claude Code?
serp-markup-builder (9.4/10) — it generates valid structured data that earns rich snippets, and validates output before handing it over. Bad schema is worse than no schema; this skill takes that seriously.
Do these skills replace SEO tools like Ahrefs?
No — they complement them. These skills handle the analysis and implementation layers (audits, markup, content); backlink data and rank tracking still need a dedicated tool.
Every skill here was scored on the same six-dimension rubric — the full scorecard with written rationale is on each skill's page. See more in the document and marketing skill collections, or see all SEO skills.