By chapter42
67 SEO & GEO skills for Claude Code — audit, content, technical SEO, GEO/AI-search, e-commerce, blog, crawling, keyword research, and reporting. Run /42-init in any project to bootstrap a skill profile, venv, and auth.
Revenue-at-risk model for the AI-search shift (Kaushik AEO loss model): classify GSC queries into four risk buckets (informational, commercial, transactional, branded), apply transparent loss assumptions per bucket, and project organic revenue loss and GEO recovery scenarios in euros with bandwidths. The sales engine behind GEO proposals. Use when user says "aeo forecast", "revenue at risk", "omzet risico AI", "AI search impact", "traffic loss forecast", "verlies prognose", "GEO business case", "hoeveel omzet lopen we mis", "zero click impact".
Agentic Commerce Readiness Scan: audit a webshop's product data against the 3-layer Product Ontology (Trust/Identity, Commercial Logic, Agent Policies), ACP/UCP protocol compatibility, GTIN consistency, ChatGPT Shopping dependency, and faceted-navigation AI-crawlability. Score per layer + prioritized roadmap. Use when user says "agentic commerce", "ai shopping", "chatgpt shopping", "product feed ai", "ucp", "acp", "product ontology", "ai agents webshop", "agent commerce scan", "koopagent", "feed readiness".
Make AI-search traffic measurable in client analytics: GA4 "AI Tools" custom channel group (regex above Referral), BigQuery mirror for retroactive history, text-fragment tracking for AI Overview clicks, Aleyda Solis's first-party survey question, and GSC privacy-sampling diagnostics. Setup guide + recurring AI-traffic report with quality comparison. Use when user says "ai attribution", "ai traffic", "chatgpt verkeer", "AI verkeer meten", "ai tools channel", "waar komt ai traffic vandaan", "llm traffic", "ai referrals", "ai search meten", "zero click attributie".
Track and analyze AI visibility for brands and websites. Discover which prompts and queries AI systems (ChatGPT, Perplexity, Google AI Overviews) use to recommend brands, using 6 data sources: GSC long queries, forum discussions, top-performing pages, People Also Ask, existing AI citations, and competitor queries. Generates grouped prompt clusters with actionable insights. Use when user says "AI visibility", "AI tracking", "prompt tracking", "AI mentions", "AI citations tracking", "brand visibility AI", "ChatGPT mentions", "AI brand monitoring", or "prompt discovery".
Audience-first content discovery via 10 psychologische dimensies. Genereert 50 content angles (5 per dimensie) vanuit het doelgroep- perspectief. Drie modes: angles (puur), keywords (+ zoektermen), validate (+ DataForSEO zoekvolume). Input: URL, file, of tekst. Use when user says "audience angles", "content angles", "doelgroep analyse", "buyer intent", "content discovery", "audience research", "pijnpunten", "pain points", "content ideeën", "klantinzichten", "doelgroep inzichten", "audience mapping", "content inspiratie", "wat wil mijn doelgroep", "customer insights", "angle brainstorm".
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67 AI-agent skills voor SEO, GEO en content-analyse, verpakt als Claude Code plugin. Dual-perspective: traditionele SEO (Google rankings) en GEO (AI-zoekmachine citaties).
Alle skills aanroepbaar met /42- prefix (bv. /42-audit, /42-content).
# In Claude Code — plugin marketplace toevoegen + installeren
/plugin marketplace add chapter42/42-SEO-Skills
/plugin install 42-seo-skills@42-SEO-Skills
Daarna, in elk klantproject:
# Bootstrap — kiest profiel, activeert skills, zet auth en venv op
/42-init
/42-init vraagt het profiel (content / ecom / technical / full), schrijft een skill-allowlist naar .claude/settings.local.json, kopieert .env.example, maakt 42-reports/<klant>/ aan en installeert de gedeelde Python venv in ~/.claude/venvs/42-seo/.
/42-audit https://example.com # Volledige SEO + GEO audit
/42-audit https://example.com --seo # Alleen SEO
/42-audit https://example.com --geo # Alleen GEO (AI-zoekmachines)
/42-seo-project start https://example.com # Complete SEO lifecycle starten
/42-technical https://example.com # Technische audit
/42-content https://example.com # Content quality + E-E-A-T
/42-striking-distance gsc-export.csv # Quick wins op positie 4-20
/42-page-health sf-internal.csv # Per-URL gezondheidscore
Plugin-updates komen automatisch binnen via marketplace-sync:
/plugin update 42-seo-skills
Alle skills werken op elk tier — hogere tiers ontgrendelen meer automatisering:
| Tier | Wat je nodig hebt | Wat je krijgt |
|---|---|---|
| 1 — Manual | Alleen Python 3.11+ | Alle skills via paste-data + WebFetch |
| 2 — Basic API | + GOOGLE_API_KEY en/of DATAFORSEO credentials | Keyword research, embeddings, SERP data |
| 3 — Full Automation | + Screaming Frog CLI + GSC service account | Geautomatiseerde crawls, volledige pipeline |
Alle project data wordt opgeslagen in 42-reports/:
42-reports/
├── INDEX.md # Overzicht alle projecten
└── <domain>/
├── STATE.md # Fase-status + capabilities
├── capabilities.json # Pre-flight resultaten
├── exports/<YYYY-MM-DD>/ # Screaming Frog exports per datum
├── reports/ # DISCOVERY.md, DIAGNOSIS.md, etc.
└── history/ # Audit snapshots + score trends
Zie SKILL-MAP.md voor de complete skill hierarchy, dependencies en input formats.
| Skill | Command | Wat het doet |
|---|---|---|
| 42:seo-project | /42:seo-project start <url> | Project lifecycle orchestrator: 7 fasen (Crawl→Discover→Diagnose→Strategize→Implement→Verify→Monitor). State tracking over sessies, multi-site, decision locking. Coördineert alle andere skills. |
| 42:orchestrate | /42:orchestrate <skills> | Multi-skill orchestrator: draait meerdere 42-skills in waves op basis van een dependency-manifest (YAML), met gedeelde context tussen runs. |
| 42:audit | /42:audit <url> | Unified SEO + GEO audit. Business type detectie, parallel subagent delegatie, dual scoring (SEO Health Score + GEO Score). |
Skills die meerdere bronnen combineren met --seo / --geo mode flags.
| Skill | Command | Wat het doet |
|---|---|---|
| 42:technical | /42:technical <url> | 10-categorie technische audit: crawlability, indexability, security, URL structure, mobile, CWV, SSR, page speed, structured data, IndexNow. |
| 42:content | /42:content <url> | E-E-A-T scoring + keyword optimalisatie (SEO) + passage architectuur en citability (GEO) + topical authority. |
| 42:structured-data | /42:structured-data <url> | Schema.org detectie, validatie, scoring (0-100), JSON-LD generatie. --blog mode voor kant-en-klare @graph. |
| 42:geo-report | /42:geo-report <url> | Client-ready GEO rapport. --pdf voor professionele PDF met charts via ReportLab. |
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