Executive Summary: The Claude Code & OpenClaw SEO/Content Skills Ecosystem
Deep Dive Analysis — March 2026
1. Executive Overview
The AI agent skills ecosystem for SEO and content creation has matured into a production-grade infrastructure spanning 500,000+ indexed skills, 7+ dedicated SEO repositories, 10+ live-data MCP integrations, and multiple competing marketplaces. This report provides a comprehensive analysis of every major skill, integration, provider, pattern, and platform powering this ecosystem — with a focus on what's actually usable for SEO and content professionals today.
Key Metrics at a Glance:
| Metric | Value |
|---|---|
| Total indexed agent skills (all categories) | 500,000+ |
| Dedicated SEO skill repositories | 7+ |
| Dedicated content creation skill repositories | 5+ |
| Marketing/growth skill collections | 4+ |
| MCP server integrations for SEO data | 10+ |
| CMS publishing integrations | 4+ |
| Skill marketplaces & directories | 6+ |
| OpenClaw GitHub stars | 310,000+ |
| Anthropic official skills repo stars | 69,300+ |
| awesome-claude-code stars | 26,700+ |
| Skills that actually improve performance (expert estimate) | ~20% |
2. Platform Architecture Comparison
2.1 Claude Code vs. OpenClaw Skill Systems
| Dimension | Claude Code | OpenClaw |
|---|---|---|
| Creator | Anthropic | Peter Steinberger (@steipete) |
| Type | CLI coding agent | Personal AI assistant daemon |
| GitHub Stars | N/A (commercial product) | 310,000+ |
| Skill Format | SKILL.md (YAML frontmatter + markdown) | SKILL.md (identical format) |
| Skill Locations | ~/.claude/skills/, .claude/skills/ | <workspace>/skills, ~/.openclaw/skills |
| LLM Backends | Claude only | Claude, GPT-5, Gemini 3.1, Ollama (local) |
| Extensibility Layers | 6 (CLAUDE.md → Skills → Hooks → Subagents → Agent Teams → Plugins) | Skills + MCP + Custom Prompts |
| Marketplace | Plugin marketplaces (SkillsMP, SkillHub, etc.) | ClawHub (~3,286 skills post-cleanup) |
| Platform Reach | Terminal/IDE | 20+ messaging platforms (WhatsApp, Telegram, Slack, Discord, Signal, iMessage) |
| Cross-Compatibility | Agent Skills open standard (12+ tools) | Compatible with Claude Code skill format |
| Security Model | Sandboxed execution, permission system | CVE-2026-25253 exposed 341 malicious skills; VirusTotal scanning added Feb 2026 |
2.2 Claude Code's 6-Layer Extensibility Stack
| Layer | Mechanism | Purpose | Key for SEO/Content? |
|---|---|---|---|
| 1. CLAUDE.md | Persistent markdown config | Project memory, style guides, brand voice | Yes — brand voice, editorial standards |
| 2. Skills | SKILL.md files with YAML frontmatter | Domain expertise encoding | Primary mechanism for SEO/content |
| 3. Hooks | Shell scripts at 17 lifecycle events | Deterministic automation | Yes — forced-eval pattern (20% → 84% activation) |
| 4. Subagents | Isolated Claude instances (up to 10 parallel) | Parallel delegation | Yes — research + write + optimize in parallel |
| 5. Agent Teams | Multi-session coordination | Complex multi-step workflows | Yes — full content pipeline orchestration |
| 6. Plugins | Bundled packages (skills + agents + hooks + MCP) | Distribution & installation | Yes — one-command install of full SEO stacks |
3. Master Skill Index: SEO Capabilities
3.1 Dedicated SEO Skill Repositories
| Repository | Author | Stars | Sub-Skills | Subagents | Key Differentiator |
|---|---|---|---|---|---|
| AgriciDaniel/claude-seo | Daniel Agrici | ~1,800 | 13 | 6-7 | Most comprehensive standalone; DataForSEO MCP; GEO/AEO; schema generation |
| TheCraigHewitt/seomachine | Craig Hewitt (Castos) | — | 26 (marketing-wide) | Multiple | Long-form SEO content workspace; WordPress publishing; 10 slash commands |
| aaron-he-zhu/seo-geo-claude-skills | Aaron Zhu | — | 20 | — | CORE-EEAT + CITE frameworks; 4-phase workflow; Ahrefs/SEMrush/GA connectors |
| zubair-trabzada/geo-seo-claude | Zubair Trabzada | — | 11 | 5 (parallel) | GEO-first; AI crawler robots.txt analysis (14+ bots); citability scoring; llms.txt |
| huifer/claude-code-seo | huifer | — | 7 | 2 | Next.js-specific; 100-point scoring; 27 commands; bilingual (CN/EN) |
| Autom8Minds/seo-skills | Autom8Minds | — | 7 | — | Custom seo-mcp server; Core Web Vitals checking; schema extraction |
| coreyhaines31/marketingskills | Corey Haines | — | 8 (SEO subset) | — | Agency-grade; includes CRO, growth, programmatic SEO |
3.2 All SEO Sub-Skills Identified Across Repositories
| Skill Category | Specific Skills Found | Repositories |
|---|---|---|
| Technical SEO Audit | Site crawl analysis, Core Web Vitals, page speed, mobile-friendliness, crawl budget, robots.txt analysis, XML sitemap validation, canonical tag checking, redirect chain analysis, hreflang validation | claude-seo, seo-geo-claude-skills, claude-code-seo, seo-skills, marketingskills |
| On-Page SEO | Title tag optimization, meta description generation, heading hierarchy analysis, keyword density analysis, internal linking recommendations, image alt text, URL structure analysis | claude-seo, seo-geo-claude-skills, claude-code-seo, seo-skills, seomachine |
| Keyword Research | Keyword discovery, search volume analysis, keyword difficulty scoring, long-tail identification, keyword clustering, search intent classification, competitor keyword gap analysis | seo-geo-claude-skills, claude-seo, marketingskills, seomachine |
| Schema/Structured Data | JSON-LD generation, VideoObject schema, BroadcastEvent schema, FAQ schema, HowTo schema, Article schema, Product schema, LocalBusiness schema, breadcrumb markup | claude-seo, seo-skills, claude-code-seo, seo-geo-claude-skills |
| E-E-A-T Assessment | Experience signals, Expertise scoring, Authoritativeness analysis, Trustworthiness evaluation, author bio optimization, citation quality | claude-seo, seo-geo-claude-skills, claude-code-seo, seomachine |
| GEO/AEO (AI Search Optimization) | AI crawler analysis (GPTBot, ClaudeBot, PerplexityBot, etc.), citability scoring, llms.txt generation, AI Overview optimization, brand mention analysis, platform-specific optimization (ChatGPT, Perplexity, Google AI Overviews) | geo-seo-claude, seo-geo-claude-skills, claude-seo, marketingskills |
| Content Strategy | Content gap analysis, topic clustering, editorial calendar generation, content audit scoring, competitive content analysis, pillar/cluster architecture | seo-geo-claude-skills, seomachine, marketingskills, seo-skills |
| Link Building / Off-Page | Backlink profile analysis, toxic link identification, link building opportunity identification, competitor backlink analysis, anchor text distribution | seo-geo-claude-skills, seo-skills, marketingskills |
| Local SEO | Google Business Profile optimization, NAP consistency checking, local keyword optimization, review management strategy, local schema markup | seo-skills, claude-code-seo, marketingskills |
| Rank Tracking / Monitoring | SERP position tracking, ranking change alerts, keyword movement analysis, competitor ranking comparison | seo-geo-claude-skills, claude-seo |
| Site Architecture | URL taxonomy design, internal link graph optimization, hub-and-spoke content modeling, navigation structure analysis | marketingskills, seo-geo-claude-skills |
| Programmatic SEO | Template-based page generation, dynamic landing pages, data-driven content at scale | marketingskills |
| SEO Reporting | PDF audit reports with score gauges, client-ready deliverables, automated performance dashboards | geo-seo-claude, claude-code-seo, ai-marketing-claude |
3.3 SEO Slash Commands Catalog
| Command | Repository | Function |
|---|---|---|
/seo audit <url> | claude-seo | Full 6-dimension SEO audit |
/seo page <url> | claude-seo | Single-page on-page analysis |
/seo schema <type> | claude-seo | Generate structured data markup |
/seo dataforseo serp <query> | claude-seo | Live SERP data via DataForSEO |
/seo dataforseo keywords <query> | claude-seo | Keyword research via DataForSEO |
/seo dataforseo backlinks <domain> | claude-seo | Backlink profile via DataForSEO |
/seo dataforseo ai-mentions <brand> | claude-seo | AI citation tracking |
/research <topic> | seomachine | Deep keyword & topic research |
/analyze-existing <url> | seomachine | Audit existing content |
/optimize <article> | seomachine | SEO-optimize existing content |
/performance-review | seomachine | Review published content metrics |
/priorities | seomachine | Generate prioritized content calendar |
/geo audit <url> | geo-seo-claude | Full GEO analysis |
/geo crawlers <url> | geo-seo-claude | AI crawler access analysis |
/geo citations <brand> | geo-seo-claude | Brand citability scoring |
/geo llms-txt <url> | geo-seo-claude | Generate llms.txt file |
/market seo <url> | ai-marketing-claude | SEO analysis within marketing suite |
4. Master Skill Index: Content Creation Capabilities
4.1 Dedicated Content Skill Repositories
| Repository | Author | Sub-Skills | Key Differentiator |
|---|---|---|---|
| AgriciDaniel/claude-blog | Daniel Agrici | 13 | Most comprehensive blog skill; dual-optimized for Google + AI citations; 8 content templates; 100-point quality scoring |
| TheCraigHewitt/seomachine | Craig Hewitt | 10+ | Long-form SEO content workspace; WordPress publishing via REST API with Yoast metadata |
| zubair-trabzada/ai-marketing-claude | Zubair Trabzada | 15 | Full marketing suite; parallel subagents; copy, emails, social, ads, landing pages, proposals |
| coreyhaines31/marketingskills | Corey Haines | 8+ | Agency-grade copywriting, content strategy, editorial workflows |
| alirezarezvani/claude-skills | Alireza Rezvani | 177 (all categories) | 8 content skills, 5 SEO skills within a 6-week launch orchestration protocol |
4.2 All Content Sub-Skills Identified
| Skill Category | Specific Skills Found | Repositories |
|---|---|---|
| Blog Writing | Long-form article creation, how-to guides, listicles, case studies, comparison posts, pillar pages, product reviews, tutorials, FAQ articles | claude-blog, seomachine, marketingskills |
| Content Rewriting | Article rewriting for SEO, tone adjustment, readability improvement, content freshening/updating | claude-blog, seomachine |
| Content Analysis | Readability scoring, keyword optimization check, E-E-A-T scoring, content quality grading (100-point scale), competitor content comparison | claude-blog, seomachine, seo-geo-claude-skills |
| Content Briefing | Brief generation from keyword research, outline creation, heading structure planning, word count targeting | claude-blog, seomachine, marketingskills |
| Editorial Calendar | Content calendar generation, topic scheduling, seasonal planning, publication cadence management | claude-blog, ai-marketing-claude, marketingskills |
| Content Strategy | Topic clustering, content gap identification, competitive content analysis, content-market fit scoring | claude-blog, marketingskills, seo-geo-claude-skills |
| Content Repurposing | Blog-to-social conversion, article-to-email conversion, long-form-to-video-script, podcast-to-article | claude-blog, ai-marketing-claude |
| Copywriting | Landing page copy, ad copy, product descriptions, taglines, value propositions, USP development | ai-marketing-claude, marketingskills |
| Email Marketing | Email sequence creation, drip campaigns, newsletter writing, subject line optimization | ai-marketing-claude, marketingskills |
| Social Media | Social content calendars, platform-specific formatting, hashtag strategy, engagement copy | ai-marketing-claude, marketingskills |
| Ad Campaigns | Google Ads copy, Facebook/Meta ad copy, ad variation testing, campaign structure | ai-marketing-claude, marketingskills |
| CRO Copy | Signup page copy, onboarding flows, form optimization, popup copy, paywall messaging, pricing page copy | marketingskills |
| Proposal / Report Writing | Client proposals, marketing reports, SEO audit reports (PDF), competitive intelligence reports | ai-marketing-claude, geo-seo-claude |
| Content Publishing | WordPress REST API publishing, Yoast SEO metadata, Webflow CMS publishing, draft management | seomachine, claude-blog (via MCP) |
| GEO Content Optimization | AI-citation-optimized writing, structured for LLM extraction, factual density enhancement | claude-blog, geo-seo-claude, seo-geo-claude-skills |
| Brand Voice | Style guide creation, voice/tone codification, writing sample analysis | Animalz plugins, CLAUDE.md patterns |
4.3 Content Slash Commands Catalog
| Command | Repository | Function |
|---|---|---|
/blog write <topic> | claude-blog | Write a full blog post |
/blog rewrite <article> | claude-blog | Rewrite/optimize existing content |
/blog analyze <url> | claude-blog | Score and analyze published content |
/blog brief <keyword> | claude-blog | Generate content brief |
/blog calendar | claude-blog | Generate editorial calendar |
/blog strategy | claude-blog | Content strategy recommendations |
/blog outline <topic> | claude-blog | Detailed article outline |
/blog seo-check <article> | claude-blog | SEO optimization check |
/blog schema <article> | claude-blog | Generate article schema markup |
/blog repurpose <article> | claude-blog | Repurpose into other formats |
/blog geo <article> | claude-blog | GEO-optimize for AI citations |
/blog audit | claude-blog | Full blog content audit |
/blog chart <data> | claude-blog | Generate data visualizations for posts |
/write <topic> | seomachine | Write long-form SEO content |
/rewrite <article> | seomachine | Rewrite with SEO optimization |
/article <keyword> | seomachine | Full article pipeline (research → write → optimize) |
/publish-draft | seomachine | Publish to WordPress |
/market copy <url> | ai-marketing-claude | Generate marketing copy |
/market emails <product> | ai-marketing-claude | Create email sequences |
/market social <topic> | ai-marketing-claude | Generate social content calendar |
/market ads <product> | ai-marketing-claude | Create ad campaign copy |
/market landing <url> | ai-marketing-claude | CRO-optimize landing page |
/market funnel <product> | ai-marketing-claude | Design marketing funnel |
5. MCP Integrations & Data Providers
5.1 SEO Data MCP Servers
| MCP Server | Type | Key Capabilities | Authentication |
|---|---|---|---|
| Ahrefs (official) | Commercial API | Keyword research, backlink analysis, domain rating, competitor analysis, rank tracking, content explorer | API key required |
| Semrush (official) | Commercial API | Keyword research, competitor analysis, backlink profiles, traffic analytics, ad copy intelligence | API key required |
| DataForSEO | Commercial API | SERP data, keyword data, backlinks, on-page analysis, AI visibility tracking, LLM mention monitoring | API key required |
| Google Search Console | Google API | 19 tools: search analytics, URL inspection, sitemap management, property management, indexing status | OAuth2 |
| Google Analytics 4 | Google API | Read-only GA4 data, traffic analysis, user behavior, conversion tracking | OAuth2 |
| SE Ranking | Commercial API | Lost/declining keywords, competitor comparison, content briefs, AI Search share of voice | API key required |
| Free SEO MCP (Ahrefs) | Free (CAPTCHA) | Backlink analysis, keyword ideas using free Ahrefs data | None (uses CAPTCHA solving) |
| SEO Review Tools | Commercial API | Real-time SEO data, domain authority, backlink counts | API key required |
| Firecrawl | Commercial API | Website → clean LLM-ready markdown; full site crawling; structured data extraction | API key required |
| Playwright | Open source | Full browser automation for crawling, scraping, screenshot capture, JavaScript rendering | None |
5.2 CMS Publishing MCP Servers
| MCP Server | CMS | Key Capabilities | Notes |
|---|---|---|---|
| Webflow (official) | Webflow | Site management, CMS item CRUD, page management, form submissions, SEO metadata | Production-ready Claude Skills included |
| WordPress.com (official) | WordPress.com | Post CRUD, page management, site settings, media upload | Available on all paid plans |
| WordPress.org MCP Adapter | WordPress.org (self-hosted) | Post management, REST API bridge | Released February 2026 |
| Claudeus-WP-MCP | WordPress (any) | 145 tools including Create-blog-post, Analyse-post-seo, media management, taxonomy management | Community-built; most comprehensive WP integration |
| Typefully | Social media | Publishing to X, LinkedIn, Threads, Bluesky; scheduling; analytics | Via MCP |
5.3 Supporting Tool MCP Servers
| MCP Server | Function | Use in SEO/Content |
|---|---|---|
| SerpAPI | SERP data extraction | Keyword research, competitor analysis, SERP feature tracking |
| Browserbase | Cloud browser sessions | Automated site auditing at scale |
| Puppeteer | Headless Chrome automation | Page rendering analysis, screenshot capture, JavaScript SEO testing |
| Exa | AI-native search | Research and source discovery for content creation |
| Perplexity | AI search | Research queries, fact-checking, source discovery |
| Tavily | AI search API | Web research for content creation |
| Context7 | Documentation retrieval | Library/framework documentation for technical content |
6. Skill Marketplaces & Distribution Platforms
6.1 Marketplace Comparison
| Platform | URL | Skills Listed | Focus | Unique Feature |
|---|---|---|---|---|
| SkillsMP | skillsmp.com | 500,000+ | Claude Code, Codex, ChatGPT | Largest index; auto-scrapes GitHub (2+ stars filter) |
| SkillHub | skillhub.club | 7,000+ | Claude Code | 5-dimension quality rating (S/A/B/C rank system) |
| Claude Skills Market | skills.pawgrammer.com | 119+ | Claude Code | Community-curated; free; quality-focused |
| ClawHub | clawhub.ai | ~3,286 | OpenClaw | npm-style registry; VirusTotal scanning (post CVE-2026-25253) |
| AI Agent Store | aiagentstore.ai | Varies | Cross-platform agents | Broader agent directory including skill collections |
| Anthropic Plugin Marketplace | Via /plugin marketplace | Official + community | Claude Code plugins | Integrated into Claude Code CLI |
6.2 Key Curated GitHub Collections
| Repository | Stars | Skills Cataloged | Scope |
|---|---|---|---|
| anthropics/skills | 69,300 | Official skills + skill-creator | Anthropic official; document processing, skill development |
| hesreallyhim/awesome-claude-code | 26,700 | Comprehensive directory | Skills, hooks, slash commands, orchestrators, plugins |
| VoltAgent/awesome-agent-skills | — | 500+ | Cross-platform; official entries from Vercel, Cloudflare, Netlify, Google |
| VoltAgent/awesome-openclaw-skills | — | 5,400+ | OpenClaw-specific; filtered from official registry |
| alirezarezvani/claude-skills | 4,400+ | 177 skills, 17 agents, 3 personas | Engineering, marketing, product, compliance, C-level advisory |
| Antigravity Awesome Skills | 22,034 | 1,234+ (v7.3.0) | Cross-platform agent skills |
7. Workflow Patterns for SEO & Content Automation
7.1 Proven Multi-Step Patterns
| Pattern | Creator/Source | How It Works | Best For |
|---|---|---|---|
| Subagent Chaining | Common pattern | Sequential subagents: research → write → optimize → review | Content creation pipelines |
| Parallel Subagent Burst | geo-seo-claude, ai-marketing-claude | 5+ subagents run simultaneously, each analyzing a different dimension | SEO audits, marketing audits |
| RIPER Workflow | Tony Narlock | Enforced phases: Research → Innovate → Plan → Execute → Review | Strategic content planning |
| Stream-JSON Chaining | Ruflo/Claude-Flow | JSON streams piped between claude -p processes in real-time | Distributed content pipelines |
| Ralph Loop | Community | Agents run in automated loops until specs met; intelligent exit + circuit breaker | Iterative content optimization |
| Forced-Eval Hook | Scott Spence | Hook at session start evaluates skills against task, forces relevant loading | Reliable skill activation (20% → 84%) |
| Programmatic Tool Calling | Anthropic official | Claude writes Python that orchestrates tools (37% token reduction) | Complex data-heavy SEO analysis |
| 6-Week Launch Orchestration | alirezarezvani/claude-skills | Sequenced skills: build (wk 1-2) → growth/SEO (wk 3-4) → email/analytics (wk 5-6) | Product/content launches |
7.2 Example: Full SEO Content Pipeline
1Step 1: Keyword Research
2 └─ MCP: Ahrefs/Semrush → keyword data
3 └─ Skill: seo-geo-claude-skills → keyword clustering + intent classification
4
5Step 2: Content Brief Generation
6 └─ Skill: claude-blog /blog brief → outline + heading structure
7 └─ MCP: Firecrawl → competitor content analysis
8
9Step 3: Content Creation (Parallel Subagents)
10 └─ Subagent 1: Research agent → gathers sources, data points, quotes
11 └─ Subagent 2: Writer agent → drafts long-form content
12 └─ Subagent 3: SEO agent → optimizes headings, keyword placement, schema
13
14Step 4: Quality Assurance
15 └─ Skill: claude-blog /blog seo-check → 100-point quality score
16 └─ Skill: claude-blog /blog geo → AI citation optimization
17
18Step 5: Publishing
19 └─ MCP: WordPress/Webflow → publish with metadata
20 └─ Skill: claude-blog /blog schema → inject structured data
21
22Step 6: Monitoring
23 └─ MCP: Google Search Console → track indexing + rankings
24 └─ MCP: GA4 → track traffic + engagement8. Cross-Platform Skill Compatibility
8.1 Agent Skills Open Standard Support
The Agent Skills specification (agentskills.io) defines a portable SKILL.md format. Skills written to this standard work across:
| Platform | Compatibility | Notes |
|---|---|---|
| Claude Code | Native | Primary target; full feature support |
| OpenClaw | Native | Identical SKILL.md format |
| GitHub Copilot | Compatible | Via Agent Skills standard |
| OpenAI Codex | Compatible | Via Agent Skills standard |
| Cursor | Compatible | Via Agent Skills standard |
| Windsurf (Codeium) | Compatible | Via Agent Skills standard |
| Gemini CLI | Compatible | Via Agent Skills standard |
| Antigravity | Compatible | Via Agent Skills standard |
| Aider | Compatible | Via Agent Skills standard |
| Amp | Compatible | Via Agent Skills standard |
| Cline | Compatible | Via Agent Skills standard |
| Roo Code | Compatible | Via Agent Skills standard |
8.2 Conversion Tools
| Tool | Repository | Function |
|---|---|---|
skills convert | alirezarezvani/claude-skills | Convert skills between Claude Code, Codex, Cursor, Windsurf formats |
| Agent Skills CLI | agentskills/agentskills | Standard tooling for skill packaging and validation |
npx skills add | skills.sh | Universal skill installer (e.g., npx skills add coreyhaines31/marketingskills) |
9. Quality & Security Assessment
9.1 Quality Findings
| Finding | Source | Implication |
|---|---|---|
| ~80% of community skills actively hurt performance | Mikhail Shcheglov (tested 200+ skills) | Token bloat and latency from poorly written skills outweigh benefits |
| Skills only activate ~20% of time without hooks | Scott Spence discovery | Description-based matching is unreliable; forced-eval hooks needed |
| Forced-eval pattern raises activation to 84% | Scott Spence testing | Hooks, not just descriptions, are key to deterministic behavior |
| CLAUDE.md meta-prompt optimization yields +5.19% accuracy | Arize research | Prompt engineering in CLAUDE.md has measurable impact |
| Domain expert skills >> generic prompt templates | Multiple reports | Skills encoding real operational procedures outperform keyword-stuffed templates |
9.2 Security Concerns
| Issue | Details | Status |
|---|---|---|
| CVE-2026-25253 (ClawHub) | 341 malicious skills found in OpenClaw's ClawHub marketplace (out of 2,857 audited) | Patched; VirusTotal scanning added Feb 2026 |
| Malicious skill types found | Reverse shells, credential exfiltration, crypto miners, data theft | 2,419 suspicious skills removed |
| Supply chain risk | Skills can execute arbitrary shell commands | All platforms recommend code review before installation |
| No universal skill signing | Skills lack cryptographic verification of author identity | Active area of development |
10. Provider & Tool Ecosystem Map
10.1 All Identified Providers/Vendors in the Ecosystem
| Provider | Role in Ecosystem | Integration Type |
|---|---|---|
| Anthropic | Claude Code creator; official skills repo; Agent Skills standard co-creator | Platform + SDK + Official skills |
| OpenClaw | Open-source AI assistant platform; ClawHub marketplace | Compatible platform + marketplace |
| Ahrefs | SEO data provider | Official MCP server |
| Semrush | SEO data provider | Official MCP server |
| DataForSEO | SEO API provider | Community MCP server |
| Search Console, Analytics 4, Ads | MCP servers (GSC official, GA4 official) | |
| SE Ranking | SEO platform | Official MCP server |
| SEO Review Tools | SEO data API | MCP server |
| Firecrawl | Web scraping → markdown | MCP server |
| Webflow | CMS/website builder | Official MCP with Claude Skills |
| WordPress.com | Managed CMS | Official MCP server |
| WordPress.org | Self-hosted CMS | MCP Adapter (Feb 2026) + Claudeus-WP-MCP |
| Typefully | Social media publishing | MCP server |
| Vercel | Hosting/deployment | Official agent skills (find-skills: 418K installs) |
| Cloudflare | Hosting/CDN | Official agent skills |
| Netlify | Hosting/deployment | Official agent skills |
| SerpAPI | SERP data extraction | MCP server |
| Browserbase | Cloud browser sessions | MCP server |
| Playwright | Browser automation | MCP server |
| Exa | AI-native search | MCP server |
| Perplexity | AI search | MCP server |
| Tavily | AI search API | MCP server |
| Remotion | Programmatic video | Claude Code skill (117K+ weekly installs) |
| Thruuu | SERP analysis tool | CLAUDE.md integration pattern |
10.2 Community Builders / Key Contributors
| Builder | Notable Contribution |
|---|---|
| Daniel Agrici (AgriciDaniel) | claude-seo (most comprehensive SEO skill), claude-blog (most comprehensive content skill) |
| Craig Hewitt (TheCraigHewitt) | seomachine — production WordPress SEO content workspace |
| Aaron Zhu (aaron-he-zhu) | seo-geo-claude-skills — 20 skills with CORE-EEAT + CITE frameworks |
| Zubair Trabzada | geo-seo-claude — GEO-first SEO; ai-marketing-claude — 15-skill marketing suite |
| Corey Haines | marketingskills — agency-grade marketing skills (CRO, SEO, growth) |
| Alireza Rezvani | claude-skills — 177 cross-platform skills with launch orchestration |
| Peter Steinberger (@steipete) | OpenClaw creator (310K+ stars) |
| Scott Spence | Forced-eval hook pattern discovery; plugin marketplace organization research |
| Tony Narlock | RIPER workflow pattern |
| hesreallyhim | awesome-claude-code — definitive curation (26.7K stars) |
11. Strategic Recommendations
11.1 For SEO Professionals
- Start with
claude-seo+ Ahrefs MCP + Google Search Console MCP as your base stack. This covers 80% of SEO audit needs. - Add
geo-seo-claudefor AI search optimization — this is the fastest-growing subfield and most skills are already outdated on GEO. - Implement the forced-eval hook pattern to solve the #1 reliability problem (skills not activating). Without this, skills only fire ~20% of the time.
- Review all skills before installation. The ClawHub security incident (341 malicious skills) is a warning. Always read SKILL.md files and check for shell command execution.
11.2 For Content Teams
- Use
claude-blogas the content creation backbone — its 13 sub-skills and 100-point scoring provide the most complete writing workflow. - Pair with
seomachinefor WordPress publishing — it's the only skill with production-tested direct-to-WordPress via REST API + Yoast metadata. - Build CLAUDE.md files encoding your brand voice, editorial standards, and style guide — this is the single highest-leverage customization for content quality.
- Set up subagent chaining (research → write → SEO optimize → review) to create a repeatable content pipeline.
11.3 For Platform Builders
- Target the Agent Skills open standard for maximum distribution — skills written once work across 12+ tools.
- The quality problem is the biggest opportunity — 80% of skills hurt performance, so curation, rating, and certification systems are needed.
- Hook-based reliability patterns (forced-eval) should be built into platforms, not left to individual skill authors.
- GEO optimization is a whitespace opportunity — only 3-4 repositories address AI search optimization comprehensively, despite it being the fastest-evolving SEO subfield.
12. Appendix: Key URLs & Resources
Official Documentation
- Claude Code Skills Docs: https://code.claude.com/docs/en/skills
- Claude Code Best Practices: https://code.claude.com/docs/en/best-practices
- Claude Code Subagents: https://code.claude.com/docs/en/sub-agents
- Claude Code Slash Commands: https://code.claude.com/docs/en/slash-commands
- Claude Code Plugin Discovery: https://code.claude.com/docs/en/discover-plugins
- Claude Code Memory: https://docs.anthropic.com/en/docs/claude-code/memory
- Agent Skills Specification: https://agentskills.io/specification
- Agent Skills SDK: https://platform.claude.com/docs/en/agent-sdk/skills
SEO Skill Repositories
- AgriciDaniel/claude-seo: https://github.com/AgriciDaniel/claude-seo
- TheCraigHewitt/seomachine: https://github.com/TheCraigHewitt/seomachine
- aaron-he-zhu/seo-geo-claude-skills: https://github.com/aaron-he-zhu/seo-geo-claude-skills
- zubair-trabzada/geo-seo-claude: https://github.com/zubair-trabzada/geo-seo-claude
- huifer/claude-code-seo: https://github.com/huifer/claude-code-seo
- Autom8Minds/seo-skills: https://github.com/Autom8Minds/seo-skills
- coreyhaines31/marketingskills: https://github.com/coreyhaines31/marketingskills
Content Skill Repositories
- AgriciDaniel/claude-blog: https://github.com/AgriciDaniel/claude-blog
- zubair-trabzada/ai-marketing-claude: https://github.com/zubair-trabzada/ai-marketing-claude
- alirezarezvani/claude-skills: https://github.com/alirezarezvani/claude-skills
Curated Collections
- anthropics/skills (official): https://github.com/anthropics/skills
- hesreallyhim/awesome-claude-code: https://github.com/hesreallyhim/awesome-claude-code
- VoltAgent/awesome-agent-skills: https://github.com/VoltAgent/awesome-agent-skills
- VoltAgent/awesome-openclaw-skills: https://github.com/VoltAgent/awesome-openclaw-skills
Marketplaces
- SkillsMP: https://skillsmp.com
- SkillHub: https://www.skillhub.club
- Claude Skills Market: https://skills.pawgrammer.com
- ClawHub: https://claw-hub.net
OpenClaw
- Repository: https://github.com/openclaw/openclaw
- Documentation: https://docs.openclaw.ai/tools/skills
- Discord: https://discord.com/invite/clawd
Key Articles & Guides
- Animalz — Claude Code for Content Marketers: https://www.animalz.co/blog/claude-code
- The AI Break — Claude Code as Personal Content Writer: https://theaibreak.substack.com/p/tutorial-how-to-turn-claude-code
- Thruuu — Writing SEO Content with Claude: https://thruuu.com/blog/write-seo-content-with-claude/
- Arize — CLAUDE.md Best Practices via Prompt Learning: https://arize.com/blog/claude-md-best-practices-learned-from-optimizing-claude-code-with-prompt-learning/
- Firecrawl — Best Claude Code Skills 2026: https://www.firecrawl.dev/blog/best-claude-code-skills
- Scott Spence — Organising Skills into Plugin Marketplaces: https://scottspence.com/posts/organising-claude-code-skills-into-plugin-marketplaces
- NoCodeSaaS — Claude Code for SEO Strategy: https://www.nocodesaas.io/p/i-got-claude-code-to-build-my-entire
- Corp Waters — Ultimate Guide to Claude Code Skills: https://corpwaters.substack.com/p/the-ultimate-guide-to-claude-code
Report generated March 16, 2026. Data sourced from GitHub repositories, official documentation, marketplace listings, community publications, and security advisories.