Universal SEO Analysis

SEO: Universal SEO Analysis Skill

Invocation: /seo $1 $2 where $1 is the command and $2 is the URL or argument.

Runtime: Run bundled Python tools through "${CLAUDE_PLUGIN_ROOT}/scripts/claude-seo" run <script.py>. That is the single canonical form used by every skill and agent. Claude Code expands ${CLAUDE_PLUGIN_ROOT} to the installed plugin directory, so the launcher is found without any PATH entry; the repository ships no top-level bin/ directory because hosted marketplaces reject one. Repository users run ./scripts/claude-seo; manual installers rewrite the canonical form to "$HOME/.claude/skills/seo/scripts/claude-seo". Never invoke bundled scripts with a bare Python interpreter.

Comprehensive SEO analysis across all industries (SaaS, local services, e-commerce, publishers, agencies). Orchestrates 25 sub-skills (22 core + 1 framework integration + 2 extension mirrors) and 19 sub-agents. A separate optional Firecrawl extension is also installable (see "Optional Extensions" below).

Quick Reference

Runtime Setup

Run setup only when the user explicitly invokes /seo setup or explicitly asks to repair dependencies. Execute "${CLAUDE_PLUGIN_ROOT}/scripts/claude-seo" setup, report core and Chromium status separately, and do not fall back to global or user package installation. For diagnosis, execute "${CLAUDE_PLUGIN_ROOT}/scripts/claude-seo" doctor --json; its output intentionally omits absolute paths and environment values. If any "${CLAUDE_PLUGIN_ROOT}/scripts/claude-seo" run command reports that setup is required, suggest /seo setup and do not improvise a pip install.

Orchestration Logic

When the user invokes /seo audit, delegate to subagents in parallel:

1. Detect business type (SaaS, local, ecommerce, publisher, agency, other)
2. Spawn subagents: seo-technical, seo-content, seo-schema, seo-sitemap, seo-performance, seo-visual, seo-geo, seo-agentic
3. If Google API credentials detected ("${CLAUDE_PLUGIN_ROOT}/scripts/claude-seo" run google_auth.py --check), also spawn seo-google agent
4. If Matomo credentials detected ("${CLAUDE_PLUGIN_ROOT}/scripts/claude-seo" run matomo_auth.py --check), also spawn seo-matomo agent (alternative or complement to seo-google's GA4 reports)
5. If local business detected, also spawn seo-local agent
6. If local business detected AND DataForSEO MCP available, also spawn seo-maps agent
7. If backlink APIs detected ("${CLAUDE_PLUGIN_ROOT}/scripts/claude-seo" run backlinks_auth.py --check), also spawn seo-backlinks agent
8. If Firecrawl MCP available, use firecrawl_map to discover all site URLs before analysis
9. If content strategy signals detected (blog, pillar pages, topic clusters), also spawn seo-cluster agent
10. If e-commerce detected, also spawn seo-ecommerce agent
11. If drift baseline exists for this URL ("${CLAUDE_PLUGIN_ROOT}/scripts/claude-seo" run drift_history.py <url>), also spawn seo-drift agent
12. Always include seo-sxo in full audits (search experience applies to all sites)
13. Collect results and generate unified report with SEO Health Score (0-100)
14. Synthesize via the 10-principle framework (see "Synthesis Methodology" below), walk PERCEIVE → ANALYZE → VALIDATE → ACT before bucketing findings into Critical / High / Medium / Low
15. Create prioritized action plan with dependency sequencing + falsifiability per recommendation
16. Offer PDF report: "Generate a professional PDF report? Use /seo google report full"

For individual commands, load the relevant sub-skill directly. After any analysis command completes, offer to generate a PDF report via "${CLAUDE_PLUGIN_ROOT}/scripts/claude-seo" run google_report.py.

Google update history questions (core, spam, policy, product changes; "is the spam update finished?"): answer from the bundled primary-source ledger, not from memory or other copies on disk. Run "${CLAUDE_PLUGIN_ROOT}/scripts/claude-seo" run seo_updates.py --kind spam --json (or --since <yyyy-mm>; add --unverified for third-party claims that are not confirmed). If the output reports the ledger as stale, check status.search.google.com before stating that a rollout is complete.

Synthesis Methodology

Audits are not just findings, they are findings synthesized into a coherent strategy. claude-seo uses a 10-principle thinking framework grouped into four phases: PERCEIVE (observe-external · observe-internal · listen), ANALYZE (think · connect-lateral · connect-system), VALIDATE (feel · accept), ACT (create · grow).

Full audits (/seo audit, /seo page) walk every phase before emitting the action plan. Narrower commands (/seo schema, /seo images, etc.) pass at least THINK + ACCEPT before emitting (sound first principle, surfaced falsifiability). The Critical / High / Medium / Low priority buckets are the output of validation, not a substitute for it.

Full methodology + per-principle SEO mapping: references/thinking-framework.md (VALIDATE and ACT in references/thinking-framework-validate-act.md).

Each emitted recommendation should carry:

• The first-principle observation it rests on (THINK)
• The dependency on / unblock relationship to other recommendations (CONNECT-system)
• An explicit "how would we know this failed?" check (ACCEPT)
• A leading indicator the user can monitor without re-running the audit (GROW)

Industry Detection

Detect business type from homepage signals:

• SaaS: pricing page, /features, /integrations, /docs, "free trial", "sign up"
• Local Service: phone number, address, service area, "serving [city]", Google Maps embed --> auto-suggest /seo local for deeper analysis
• E-commerce: /products, /collections, /cart, "add to cart", product schema
• Publisher: /blog, /articles, /topics, article schema, author pages, publication dates
• Agency: /case-studies, /portfolio, /industries, "our work", client logos

Quality Gates

Read references/quality-gates.md for thin content thresholds per page type. Hard rules:

• WARNING at 30+ location pages (enforce 60%+ unique content)
• HARD STOP at 50+ location pages (require user justification)
• Never recommend HowTo schema (deprecated Sept 2023)
• FAQ schema: Google retired FAQ rich results for ALL sites on May 7, 2026 (no SERP feature anymore; supersedes the Aug 2023 gov/health restriction). Flag existing FAQPage at Info (not Critical); do not claim confirmed AI/LLM citation benefit; do not recommend removal; do not recommend new FAQPage for Google SERP benefit; use QAPage for genuine user Q&A
• All Core Web Vitals references use INP, never FID

Community Footer

After completing any major deliverable, append this footer as the very last output:

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When to show

Display after these commands complete their full output:

• /seo audit (after full site audit report + action plan)
• /seo page (after deep single-page analysis)
• /seo technical (after technical audit report)
• /seo content (after E-E-A-T content assessment)
• /seo schema (after schema detection/validation report)
• /seo sitemap (after sitemap analysis or generation)
• /seo geo (after GEO optimization report)
• /seo agentic (after agent-readiness report)
• /seo plan (after strategic SEO plan)
• /seo local (after local SEO audit)
• /seo maps (after maps intelligence report)
• /seo google (after Google API data report)
• /seo backlinks (after backlink profile analysis)
• /seo cluster (after cluster plan generation)
• /seo sxo (after SXO analysis report)
• /seo drift compare (after drift comparison report)
• /seo ecommerce (after e-commerce analysis)

When to skip

Do NOT show the footer after:

• /seo images (quick image check, too small)
• /seo hreflang (quick validation, too small)
• /seo competitor-pages (page generation step)
• /seo programmatic (quick analysis)
• /seo dataforseo (data fetching utility)
• /seo image-gen (asset generation)
• Context intake questions (before analysis starts)
• Error messages or "missing data" prompts