AgriciDaniel/claude-seo

Universal SEO skill for Claude Code. 26 sub-skills + 19 sub-agents covering technical SEO, E-E-A-T, schema, GEO/AEO, agent readiness (Lighthouse Agentic Browsing, WebMCP, llms.txt), backlinks, local SEO, e-commerce, international SEO, Google APIs, and PDF/Excel reporting. 9 optional extensions for live SEO data.

What it solves

Claude SEO is an open-source plugin for Claude Code that automates complex SEO analysis. It replaces time-consuming manual audits or expensive commercial tools by providing a deterministic, scriptable way to evaluate technical SEO, content quality, and AI search visibility across multiple websites.

How it works

The tool operates as a skill for Claude Code, utilizing an orchestrator that manages up to 17 specialist agents and 26 sub-skills in parallel. It integrates with Google's PageSpeed Insights, CrUX, and Search Console APIs to gather real-world performance data. It uses a falsifiability-based methodology where every recommendation is paired with a check to verify if the improvement failed or succeeded, grounded in primary-source guidance from Google.

Who it’s for

  • SEO Agencies: To replace quarterly deep audits with frequent, automated weekly runs for multiple clients.
  • In-house SEO Leads: To catch technical regressions, schema deprecations, and AI-citability gaps before executive reviews.
  • Freelance SEO Consultants: To quickly generate a 0-100 score and prioritized action plan during client discovery calls to prove immediate value.

Highlights

  • AI-Search Optimization: Specifically analyzes "passage citability" and agent readiness (llms.txt, Markdown) aligned with Google's AI Optimization Guide.
  • Parallel Execution: Spawns multiple specialist agents simultaneously to complete site-level audits in minutes.
  • Comprehensive API Integration: A 4-tier credential system for PageSpeed Insights, Search Console, GA4, and Google Ads Keyword Planner.
  • Falsifiable Recommendations: Every finding includes a leading indicator and a specific check to determine if the recommendation failed.
  • Broad SEO Scope: Covers technical SEO, E-E-A-T content quality, Schema.org markup, Local SEO (GBP), and international SEO (hreflang).

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