Claude SEO is a free, open-source SEO toolkit that runs inside Claude Code. It includes 25 sub-skills, 18 specialist AI agents, 30 commands, and 8 optional extensions for technical SEO, content, schema, local search, e-commerce, and more.

How do I install Claude SEO?

Clone the repository: git clone --depth 1 https://github.com/AgriciDaniel/claude-seo.git, then run the install script: bash claude-seo/install.sh on macOS/Linux, or powershell -ExecutionPolicy Bypass -File claude-seo\install.ps1 on Windows. Requires Python 3.10+ and the Claude Code CLI.

Is Claude SEO really free?

Yes, Claude SEO is completely free forever under the MIT license. There are no paid plans or hidden charges.

What MCP integrations does Claude SEO support?

Claude SEO integrates with official Ahrefs and Semrush MCP servers for live SERP and backlink data. Optional extensions include DataForSEO, AI image generation via Google Gemini, and Firecrawl for full-site crawling with JS rendering.

Claude SEO

Q: What does the 0-100 health score measure?

The health score is a heuristic triage tool that weights content quality (23%), technical SEO (22%), on-page SEO (20%), schema (10%), performance (10%), AI readiness (10%), and images (5%). It is not an official Google metric.

Updated Jul 26, 2026

Free, open-source SEO audit toolkit for Claude Code. 25 skills, 18 agents, health score, technical SEO, content, schema, local, GEO. Install in 30s.

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#seo audit#technical seo#developer tools#ai agents#health score

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Editor's Verdict

Rating: 4.4/5.0•Reviewed by RAGWiki

At $0, Claude SEO stands out as a powerful solution in the seo,developer tools landscape. It is especially well-suited for professionals like SEO Specialist and Software Developer. However, potential buyers should note that it might not be perfect if you are strictly trying to avoid requires claude code cli. Overall, it offers a robust toolset that significantly accelerates workflows.

Key Takeaways

Full Site Audit
Technical SEO
E-E-A-T Content
Schema Markup

In-Depth Review: What is Claude SEO?

Claude SEO is a free, open-source SEO toolkit that runs in your terminal via Claude Code. It coordinates up to 15 AI agents to audit technical SEO, content quality, schema, local search, and AI readiness. With 25 sub-skills, 32 commands, and a 0-100 health score, it provides evidence-based, prioritized action plans. MIT licensed, installed in seconds, and trusted by 11.9K GitHub stars. Ideal for developers who want a fast, developer-friendly SEO audit workflow.

Core Features

Full Site Audit

Coordinates up to 15 specialists to review technical SEO, content, schema, performance, links, and AI search readiness, producing a heuristic health score and prioritized action plan.

Technical SEO

Analyzes crawlability, indexability, security, URL structure, mobile, Core Web Vitals (INP), structured data, JavaScript rendering, and IndexNow across 9 categories.

E-E-A-T Content

Assesses content quality per September 2025 Quality Rater Guidelines: Experience, Expertise, Authoritativeness, Trustworthiness, and thin content detection.

Schema Markup

Detects Schema.org data, validates against Google, and generates JSON-LD markup with awareness of deprecated/restricted types.

GEO / AI Search

Optimizes for generative engines: Google AI Overviews, ChatGPT, Perplexity, Bing Copilot, including AI crawler access and LLMs.txt.

Local SEO

Covers Google Business Profile, NAP consistency, citation tiers, review sentiment, map pack factors, and multi-location management.

Command-Based Workflow

Run 30+ commands (e.g., /seo audit, /seo technical) directly in the terminal for fast, scriptable SEO analysis.

Real-Time Parallel Analysis

Up to 9 AI agents analyze your site in parallel, reducing audit time to ~12 minutes.

Health Score

0-100 heuristic health score broken down by content quality (23%), technical SEO (22%), on-page SEO (20%), schema (10%), performance (10%), AI readiness (10%), images (5%).

Optional Extensions

Extend functionality with DataForSEO for live SERP data, AI image generation via Google Gemini, and full-site crawling with JS rendering via Firecrawl.

Pricing

Free (MIT Licensed)

25 sub-skills and 18 specialist agents
30 user commands
Full-site audit with up to 15 specialists
Technical SEO across 9 categories
E-E-A-T content assessment
Schema detection, validation, and generation
GEO for AI search engines
Local SEO and maps intelligence
Strategic planning and programmatic SEO
Free backlink audit (Common Crawl, Moz, Bing)
Community skills (semantic clustering, SXO, drift monitoring, e-commerce)
Integration with Ahrefs and Semrush MCP
Optional extensions (DataForSEO, AI image gen, Firecrawl)

Pros and Cons

Pros

Completely Free and Open SourceMIT licensed with no hidden costs; access all features without a subscription.
Comprehensive SEO ToolkitCovers 18 disciplines including technical SEO, content, schema, local, GEO, and more, all in one tool.
Terminal-Based EfficiencyRun audits and analyses directly in the terminal, ideal for developers who prefer command-line workflows.
Parallel AI AgentsUp to 9 agents work simultaneously, delivering results in about 12 minutes.
Active Community and Regular Updates11.9K GitHub stars, community contributions, and frequent releases with new features and fixes.

Cons

Requires Claude Code CLIMust have Claude Code installed and configured; not a standalone GUI tool.
Requires Python 3.10+Python environment setup may be a barrier for non-developers.
Learning Curve for Command LineTerminal-based interaction may be unfamiliar to users accustomed to web dashboards.
Internet Connectivity for AuditsAudits contact target sites and Google APIs, so offline use is limited.
Heuristic Scores May VaryHealth scores are heuristic and not official Google metrics; results should be manually validated.

Use Cases & Recommended Professions

SEO Specialist→ View Toolkit

Automates technical audits, content analysis, and schema validation, saving hours of manual work.

Software Developer→ View Toolkit

Integrates SEO checks into development workflow, runs audits from terminal, and monitors SEO drift via Git-like baselines.

Digital Marketer→ View Toolkit

Generates actionable SEO reports quickly, analyzes competitors, and optimizes for AI search without paid tools.

Content Creator→ View Toolkit

Evaluates content quality using E-E-A-T guidelines and identifies thin content or improvement opportunities.

E-commerce Manager→ View Toolkit

Optimizes product pages, schema, and Google Shopping feed; audits large product catalogs efficiently.

Agency Founder→ View Toolkit

Offers free, scalable SEO audits to clients, and integrates with MCP servers for white-label reporting.

Frequently Asked Questions

seo marketing research

ℹ️ Curation Disclosure: The overview and features of Claude SEO were synthesized using AI and fact-checked by our curation team to ensure accuracy.