Synthex

Agent skills directory

Skills for Codex, ChatGPT & Claude

Agent skills are reusable folders of instructions, scripts, and reference files built around SKILL.md. They teach AI agents how to handle repeatable work. This directory collects the public skills we use with OpenAI Codex, ChatGPT, Anthropic Claude, Claude Code, and compatible coding agents. Open any entry to inspect the source and install command on skills.sh.

Browse the libraryVisit skills.sh
Skills
160
Categories
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Repositories
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skills.sh

The library

Find the right agent skill for the job

Browse 160 source-backed skills for coding, design, marketing, SEO, content, research, video, and agent workflows. Search by task, skill name, or repository; every result opens the public files and install command on skills.sh.

160 skills found

Marketing & growth

SEO, GEO, content, campaigns, conversion, retention, and research workflows for ChatGPT, Claude, and other AI agents.

95skills

  1. coreyhaines31/marketingskillsAb TestingPlans controlled experiments with clear hypotheses, metrics, and readouts.
  2. coreyhaines31/marketingskillsAd CreativeTurns a campaign idea into ad concepts, hooks, formats, and production briefs.
  3. coreyhaines31/marketingskillsAdsPlans paid campaigns across targeting, creative, budgets, and measurement.
  4. coreyhaines31/marketingskillsAI SEOMakes content easier for ChatGPT, Claude, Perplexity, and AI search systems to cite.
  5. aaron-he-zhu/seo-geo-claude-skillsAlert ManagerMonitors rankings, traffic, technical changes, and competitors against set thresholds.
  6. coreyhaines31/marketingskillsAnalyticsDefines useful events, funnels, dashboards, and decision-ready metrics.
  7. coreyhaines31/marketingskillsASOImproves app-store visibility, listing conversion, and review strategy.
  8. aaron-he-zhu/seo-geo-claude-skillsBacklink AnalyzerEvaluates backlink authority, anchor mix, toxic links, and competitor link gaps.
  9. coreyhaines31/marketingskillsChurn PreventionFinds why customers leave and builds practical retention interventions.
  10. coreyhaines31/marketingskillsCo MarketingStructures partner campaigns that share audiences, work, and measurable upside.
  11. coreyhaines31/marketingskillsCold EmailBuilds targeted outbound sequences with relevant offers and credible personalization.
  12. coreyhaines31/marketingskillsCommunity MarketingPlans communities that earn participation instead of manufacturing engagement.
  13. aaron-he-zhu/seo-geo-claude-skillsCompetitor AnalysisCompares keywords, content, backlinks, AI citations, and traffic share.
  14. coreyhaines31/marketingskillsCompetitor ProfilingMaps competing products, positioning, strengths, weaknesses, and market signals.
  15. coreyhaines31/marketingskillsCompetitorsFinds real competitors and compares how they sell, price, and differentiate.
  16. aaron-he-zhu/seo-geo-claude-skillsContent Gap AnalysisFinds missing topics and keywords, then turns the gaps into an editorial plan.
  17. aaron-he-zhu/seo-geo-claude-skillsContent Quality AuditorScores content for E-E-A-T, publish readiness, and specific repair work.
  18. aaron-he-zhu/seo-geo-claude-skillsContent RefresherUpdates decaying pages with current facts, missing sections, and fresher signals.
  19. coreyhaines31/marketingskillsContent StrategyChooses what to publish, for whom, and how each piece supports the business.
  20. coreyhaines31/marketingskillsCopy EditingTightens existing copy for clarity, voice, structure, and credibility.
  21. coreyhaines31/marketingskillsCopywritingWrites conversion-focused copy for landing, pricing, feature, and company pages.
  22. coreyhaines31/marketingskillsCROAudits conversion paths and turns weak points into testable improvements.
  23. coreyhaines31/marketingskillsCustomer ResearchTurns interviews, reviews, and behavior into usable customer evidence.
  24. coreyhaines31/marketingskillsDirectory SubmissionsFinds worthwhile directories and manages accurate, non-spammy submissions.
  25. aaron-he-zhu/seo-geo-claude-skillsDomain Authority AuditorAudits domain trust, citations, authority signals, and evidence gaps.
  26. coreyhaines31/marketingskillsEmailsPlans lifecycle campaigns and writes the emails that move readers to act.
  27. aaron-he-zhu/seo-geo-claude-skillsEntity OptimizerStrengthens Knowledge Graph, Wikidata, sameAs, and AI recognition signals.
  28. coreyhaines31/marketingskillsFree ToolsDesigns useful free tools that attract demand and create qualified leads.
  29. aaron-he-zhu/seo-geo-claude-skillsGeo Content OptimizerMakes content easier for AI search systems to quote, trust, and cite.
  30. coreyhaines31/marketingskillsImagePlans marketing images with clear concepts, formats, and production direction.
  31. coreyhaines31/marketingskillsInfluencer MarketingBuilds creator partnerships around fit, briefs, outreach, and measurement.
  32. aaron-he-zhu/seo-geo-claude-skillsInternal Linking OptimizerRepairs orphan pages, crawl depth, anchors, and the flow of internal authority.
  33. aaron-he-zhu/seo-geo-claude-skillsKeyword ResearchPrioritizes keywords by intent, demand, difficulty, and useful topic clusters.
  34. onewave-ai/claude-skillsLanding Page CopywriterWrites a focused landing page around one audience, offer, and action.
  35. coreyhaines31/marketingskillsLaunchTurns a release into a coordinated plan across message, channels, and timing.
  36. coreyhaines31/marketingskillsLead MagnetsCreates useful resources people will willingly exchange contact details for.
  37. coreyhaines31/marketingskillsMarketing CouncilPressure-tests a marketing decision through several expert viewpoints.
  38. coreyhaines31/marketingskillsMarketing IdeasGenerates channel and campaign ideas grounded in the product and audience.
  39. coreyhaines31/marketingskillsMarketing LoopsDesigns growth loops where each user or action helps create the next.
  40. coreyhaines31/marketingskillsMarketing PlanBuilds a focused plan from goals, audience, constraints, and channels.
  41. coreyhaines31/marketingskillsMarketing PsychologyApplies behavioral principles without turning messaging into manipulation.
  42. aaron-he-zhu/seo-geo-claude-skillsMemory ManagementKeeps SEO project context organized across active work, archives, and sessions.
  43. aaron-he-zhu/seo-geo-claude-skillsMeta Tags OptimizerImproves titles, descriptions, social cards, and CTR test variants.
  44. coreyhaines31/marketingskillsOffersSharpens the promise, packaging, proof, and risk around a product offer.
  45. aaron-he-zhu/seo-geo-claude-skillsOn Page SEO AuditorChecks titles, headers, images, links, content fit, and the fixes that matter first.
  46. coreyhaines31/marketingskillsOnboardingImproves the path from signup to first value and lasting product understanding.
  47. coreyhaines31/marketingskillsPaywallsDesigns upgrade moments that explain value without trapping or confusing users.
  48. aaron-he-zhu/seo-geo-claude-skillsPerformance ReporterTurns traffic, rankings, and visibility data into useful stakeholder reports.
  49. coreyhaines31/marketingskillsPopupsCreates focused overlays for capture, conversion, and timely product messages.
  50. coreyhaines31/marketingskillsPricingWorks through packaging, pricing logic, research, and how plans are presented.
  51. coreyhaines31/marketingskillsProduct MarketingConnects product truth to positioning, launches, sales, and customer language.
  52. coreyhaines31/marketingskillsProgrammatic SEOPlans scalable SEO pages without sacrificing usefulness or quality control.
  53. coreyhaines31/marketingskillsProspectingBuilds a qualified account list and a practical way to prioritize outreach.
  54. coreyhaines31/marketingskillsPublic RelationsShapes newsworthy stories, media targets, pitches, and response plans.
  55. aaron-he-zhu/seo-geo-claude-skillsRank TrackerTracks keyword and SERP movement, including changes in AI-generated answers.
  56. coreyhaines31/marketingskillsReferralsDesigns referral programs people understand, trust, and want to share.
  57. coreyhaines31/marketingskillsRevopsAligns marketing, sales, and customer data around one workable revenue process.
  58. coreyhaines31/marketingskillsSales EnablementCreates the proof, tools, and talk tracks sales teams need in real deals.
  59. coreyhaines31/marketingskillsSchemaAdds structured data that accurately explains page content to search engines.
  60. aaron-he-zhu/seo-geo-claude-skillsSchema Markup GeneratorCreates valid JSON-LD for common rich-result and business page types.
  61. aaron-he-zhu/seo-geo-claude-skillsSEORuns a broad SEO and GEO review across content, technical health, schema, and performance.
  62. coreyhaines31/marketingskillsSEO AuditFinds technical and on-page SEO problems, then ranks fixes by impact.
  63. aaron-he-zhu/seo-geo-claude-skillsSEO AuditCrawls a full site and coordinates specialist audits into one prioritized health report.
  64. aaron-he-zhu/seo-geo-claude-skillsSEO BacklinksAudits referring domains, anchors, toxic links, and competitor backlink gaps.
  65. aaron-he-zhu/seo-geo-claude-skillsSEO ClusterGroups keywords by real SERP overlap and maps hub-and-spoke content clusters.
  66. aaron-he-zhu/seo-geo-claude-skillsSEO Competitor PagesBuilds useful comparison pages with proof, schema, and clear conversion paths.
  67. aaron-he-zhu/seo-geo-claude-skillsSEO ContentReviews content quality, E-E-A-T, thinness, readability, and AI citation readiness.
  68. aaron-he-zhu/seo-geo-claude-skillsSEO Content BriefCreates competitive briefs with structure, word budgets, and keyword guidance.
  69. aaron-he-zhu/seo-geo-claude-skillsSEO Content WriterDrafts search-focused pages with useful structure, evidence, and keyword discipline.
  70. aaron-he-zhu/seo-geo-claude-skillsSEO DataforseoPulls live keyword, SERP, backlink, competitor, and AI visibility data.
  71. aaron-he-zhu/seo-geo-claude-skillsSEO DriftBaselines SEO-critical elements and catches regressions after content or code changes.
  72. aaron-he-zhu/seo-geo-claude-skillsSEO EcommerceAudits product SEO, shopping visibility, schema, marketplace gaps, and pricing signals.
  73. aaron-he-zhu/seo-geo-claude-skillsSEO FirecrawlCrawls and maps full sites, including JavaScript pages, links, and site structure.
  74. aaron-he-zhu/seo-geo-claude-skillsSEO FlowApplies the Find, Leverage, Optimize, Win framework to evidence-led SEO work.
  75. aaron-he-zhu/seo-geo-claude-skillsSEO GeoImproves visibility and citations across AI Overviews, ChatGPT, Claude, and Perplexity.
  76. aaron-he-zhu/seo-geo-claude-skillsSEO GoogleConnects Search Console, PageSpeed, CrUX, indexing, and GA4 data to SEO decisions.
  77. aaron-he-zhu/seo-geo-claude-skillsSEO HreflangAudits and generates hreflang for multilingual and multi-region sites.
  78. aaron-he-zhu/seo-geo-claude-skillsSEO Image GenGenerates search and social visuals, from OG cards and heroes to product imagery.
  79. aaron-he-zhu/seo-geo-claude-skillsSEO ImagesAudits alt text, formats, loading, CLS, metadata, and image search performance.
  80. aaron-he-zhu/seo-geo-claude-skillsSEO LocalReviews Google Business Profile, NAP, reviews, citations, and location pages.
  81. aaron-he-zhu/seo-geo-claude-skillsSEO MapsMaps local rank grids, competitor reach, reviews, NAP, and share of local voice.
  82. aaron-he-zhu/seo-geo-claude-skillsSEO PageReviews one URL across content, metadata, schema, images, and performance.
  83. aaron-he-zhu/seo-geo-claude-skillsSEO PlanBuilds a practical roadmap around market, site, content, and implementation priorities.
  84. aaron-he-zhu/seo-geo-claude-skillsSEO ProgrammaticPlans page sets with sound templates, linking, quality gates, and index controls.
  85. aaron-he-zhu/seo-geo-claude-skillsSEO SchemaDetects, validates, and generates Schema.org JSON-LD for eligible pages.
  86. aaron-he-zhu/seo-geo-claude-skillsSEO SitemapAudits or generates XML sitemaps with clean, intentional URL coverage.
  87. aaron-he-zhu/seo-geo-claude-skillsSEO SxoDiagnoses intent and page-type mismatches through SERPs and real user needs.
  88. aaron-he-zhu/seo-geo-claude-skillsSEO TechnicalReviews crawlability, indexation, security, URLs, mobile, CWV, and rendering.
  89. aaron-he-zhu/seo-geo-claude-skillsSerp AnalysisReads ranking pages, intent, snippets, features, and AI Overviews to explain a SERP.
  90. coreyhaines31/marketingskillsSignupRemoves friction from account creation without weakening trust or intent.
  91. coreyhaines31/marketingskillsSite ArchitectureOrganizes pages, navigation, URLs, and internal links around user intent.
  92. coreyhaines31/marketingskillsSMSPlans compliant text-message campaigns, automations, and concise mobile copy.
  93. coreyhaines31/marketingskillsSocialCreates channel-specific social content instead of recycling one generic post.
  94. aaron-he-zhu/seo-geo-claude-skillsTechnical SEO CheckerAudits crawling, indexing, mobile, CWV, redirects, and technical evidence gaps.
  95. coreyhaines31/marketingskillsVideoPlans marketing videos from concept and script through format and distribution.

Design & interface

Frontend direction, typography, accessibility, prototyping, responsive QA, and motion workflows for Codex, Claude Code, and other coding agents.

28skills

  1. emilkowalski/skillsAnimateDesigns and implements purposeful UI motion with the right timing and behavior.
  2. emilkowalski/skillsAnimation VocabularyNames motion patterns precisely so designers and agents can discuss them clearly.
  3. emilkowalski/skillsApple DesignApplies Apple-style restraint, physical motion, depth, and interaction principles.
  4. leonxlnx/taste-skillDesign Taste FrontendPushes frontend work past generic defaults with stricter visual and engineering choices.
  5. emilkowalski/skillsEmil Design EngBrings careful UI polish, component judgment, and motion detail to product work.
  6. emilkowalski/skillsFind Animation OpportunitiesFinds where motion would clarify an interface—and where it would only distract.
  7. aaron-he-zhu/seo-geo-claude-skillsFramerDesigns, edits, manages, and publishes Framer sites through the agent workflow.
  8. aaron-he-zhu/seo-geo-claude-skillsFramer Code ComponentsImplements Framer code components with correct layout and property controls.
  9. leonxlnx/taste-skillFull Output EnforcementForces complete code output without placeholders, truncation, or silent omissions.
  10. leonxlnx/taste-skillGPT TasteDirects expressive editorial interfaces with large type, motion, and strong composition.
  11. leonxlnx/taste-skillHigh End Visual DesignApplies premium type, spacing, surfaces, and motion while blocking cheap defaults.
  12. alchaincyf/huashu-designHuashu DesignBuilds high-fidelity HTML prototypes, motion studies, slides, and design explorations.
  13. emilkowalski/skillsImprove AnimationsAudits a product's motion system and writes a prioritized improvement plan.
  14. leonxlnx/taste-skillIndustrial Brutalist UIBuilds raw, mechanical interfaces with rigid grids and severe typographic contrast.
  15. leonxlnx/taste-skillMinimalist UICreates restrained editorial interfaces with quiet color, clear type, and flat structure.
  16. emilkowalski/skillsPick UI LibrarySelects proven frontend libraries for specific interface problems.
  17. emilkowalski/skillsPrototypeBuilds distinct interface options behind a live visual picker for fast comparison.
  18. leonxlnx/taste-skillRedesign Existing ProjectsUpgrades an existing product visually without breaking its behavior.
  19. referodesign/refero_skillRefero DesignGrounds interface decisions in patterns researched from real products.
  20. jezweb/claude-skillsResponsiveness CheckChecks real viewport sizes for clipping, overflow, and broken layouts.
  21. emilkowalski/skillsReview AnimationsReviews animation code against a high bar for purpose, feel, and interruption.
  22. sleekdotdesign/agent-skillsSleek Design Mobile AppsDesigns polished mobile screens, flows, and platform-appropriate interaction.
  23. leonxlnx/taste-skillStitch Design TasteProduces DESIGN.md rules that keep generated interfaces coherent and specific.
  24. petekp/agent-skillsTypographyBuilds readable type systems with deliberate scale, spacing, hierarchy, and rhythm.
  25. jezweb/claude-skillsUX AuditWalks complete user journeys and turns observed friction into ranked fixes.
  26. wshobson/agentsWCAG Audit PatternsAudits interfaces against WCAG patterns and turns failures into concrete repairs.
  27. vercel-labs/agent-skillsWeb Design GuidelinesReviews interface code for accessibility, usability, and resilient web conventions.
  28. wondelai/skillsWeb TypographyTunes web type for hierarchy, readability, responsive scale, and character.

Video & motion

Animation, HTML video, captions, reusable media, and production workflows an AI agent can execute and review.

10skills

  1. heygen-com/hyperframesHyperFramesBuilds deterministic HTML videos with scenes, media, captions, and motion.
  2. heygen-com/hyperframesHyperFrames AnimationProvides motion rules, scene patterns, transitions, and runtime guidance.
  3. heygen-com/hyperframesHyperFrames CLIRuns the command-line workflow for creating, validating, and rendering HyperFrames.
  4. heygen-com/hyperframesHyperFrames CoreDefines structure, timing, media, and determinism rules for HyperFrames projects.
  5. heygen-com/hyperframesHyperFrames CreativeDirects palettes, type, narration, audio, and non-motion choices for videos.
  6. heygen-com/hyperframesHyperFrames KeyframesDesigns seek-safe keyframe sequences for precise, repeatable scene animation.
  7. heygen-com/hyperframesHyperFrames RegistryFinds, installs, wires, and authors reusable HyperFrames components.
  8. heygen-com/hyperframesMedia UseFinds, generates, edits, and freezes media assets for repeatable production.
  9. remotion-dev/skillsRemotion Best PracticesApplies proven patterns for React-based video composition and rendering.
  10. diffusionstudio/lottieText To LottieTurns written motion direction into editable Lottie animation code.

Content & CMS

Content models, Portable Text, Sanity, experimentation, and search-ready structure for people and AI answer engines.

6skills

  1. sanity-io/agent-toolkitContent Experimentation Best PracticesPlans content experiments without corrupting the underlying content model.
  2. sanity-io/agent-toolkitContent Modeling Best PracticesDesigns reusable content structures around meaning, not page templates.
  3. sanity-io/agent-toolkitPortable Text ConversionConverts content to Portable Text while preserving structure and intent.
  4. sanity-io/agent-toolkitPortable Text SerializationRenders Portable Text safely across web, plain text, and custom outputs.
  5. sanity-io/agent-toolkitSanity Best PracticesApplies durable Sanity schema, query, migration, and architecture patterns.
  6. sanity-io/agent-toolkitSEO AEO Best PracticesStructures content for Google Search, ChatGPT, Claude, and other answer engines.

Knowledge & notes

Obsidian and Markdown workflows for extracting, organizing, linking, and reusing notes with an AI agent.

5skills

  1. kepano/obsidian-skillsDefuddleExtracts clean Markdown from cluttered web pages for faster reading and analysis.
  2. kepano/obsidian-skillsJSON CanvasCreates and edits Obsidian Canvas diagrams, groups, nodes, and connections.
  3. kepano/obsidian-skillsObsidian BasesBuilds Obsidian views with filters, formulas, cards, and summaries.
  4. kepano/obsidian-skillsObsidian CLIReads, searches, creates, and manages Obsidian vaults from the command line.
  5. kepano/obsidian-skillsObsidian MarkdownWrites Obsidian Markdown with properties, wikilinks, embeds, callouts, and tags.

Agent workflows

Reusable ways to brief, question, guide, and hand work between Codex, ChatGPT, Claude, and Claude Code.

9skills

  1. benjitaylor/agentationAgentationAdds an in-page toolbar for precise visual feedback on Next.js interfaces.
  2. benjitaylor/agentationAgentation Self DrivingRuns autonomous interface critique through the Agentation feedback layer.
  3. vercel-labs/skillsFind SkillsFinds reusable skills for Codex, Claude Code, and other compatible AI agents.
  4. mattpocock/skillsGrill MeInterviews you hard enough to expose weak assumptions before work begins.
  5. mattpocock/skillsGrill With DocsSharpens a plan through questions while recording decisions and shared terms.
  6. mattpocock/skillsPRD To IssuesBreaks a PRD into independent vertical issues that can ship incrementally.
  7. humanlayer/skillsShow MeExplains the current topic with concise diagrams, code sketches, or focused HTML.
  8. mattpocock/skillsWait WhatStops after a confusing answer and forces a clearer explanation.
  9. mattpocock/skillsWrite A PRDBuilds a PRD from interviews, codebase evidence, and explicit decisions.

Engineering quality

Architecture, TDD, Laravel, Tailwind, and security workflows for Codex, Claude Code, and other AI coding agents.

7skills

  1. aaron-he-zhu/seo-geo-claude-skillsAI Sdk DevelopmentBuilds Laravel AI features across agents, RAG, tools, media, streaming, and providers.
  2. aaron-he-zhu/seo-geo-claude-skillsConfiguring HorizonInstalls, configures, and troubleshoots Laravel Horizon queues and dashboards.
  3. mattpocock/skillsImprove Codebase ArchitectureFinds architectural changes that deepen modules and make code easier to test.
  4. aaron-he-zhu/seo-geo-claude-skillsLaravel Best PracticesWrites secure, efficient Laravel code from routes through jobs and models.
  5. openai/skillsSecurity Best PracticesReviews code from Codex, Claude Code, and other agents for common security mistakes.
  6. aaron-he-zhu/seo-geo-claude-skillsTailwindcss DevelopmentBuilds responsive Tailwind interfaces with solid layout, spacing, states, and dark mode.
  7. mattpocock/skillsTDDBuilds features through a strict red-green-refactor loop and integration tests.