Agent skills
Skills you can use with AI coding agents, indexed from public GitHub repositories.
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Accessibility Engineer
Implement accessibility (a11y) best practices to make applications usable by everyone. Use when building UIs, conducting accessibility audits, or ensuring WCAG compliance. Covers screen readers, keyboard navigation, ARIA attributes, and inclusive design patterns.
majiayu000/claude-skill-registry 163
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obra-subagent-driven-development
Use when executing implementation plans with independent tasks in the current session
majiayu000/claude-skill-registry 163
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guardrails-contracts
Follow these patterns when designing guardrails validation contracts in OptAIC. Use for signal bounds, dataset schemas, portfolio constraints, PIT validation, and other domain-specific validation rules. Covers the "Law vs Police" architecture where Definitions contain contracts and the Engine enforces them.
majiayu000/claude-skill-registry 163
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book-market-research
Assess commercial viability of book concepts for Amazon KDP self-publishing. Use when the user has a Book Concept Document and wants to understand market demand, competition, pricing, and positioning before committing to write. Produces a Market Research Report with viability scorecard and Go/No-Go recommendation. Works standalone (commercial analysis only) or after idea-validator (integrated assessment). Nonfiction only.
majiayu000/claude-skill-registry 163
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shipping-data-analyst
Shipping Data Analyst Expert - Rate Preparation Intelligence v5.0
Purpose: Analyze prospect shipping data to UNDERSTAND their operations BEFORE creating Xparcel rates.
Mental Model: This is DISCOVERY, not selling. Learn their world before proposing solutions.
Triggers on: "shipping analysis", "PLD analysis", "rate prep", "shipping data", "freightclub",
"shipstation export", "analyze shipping", "weight distribution", "zone analysis"
Use when: Customer provides shipping data export and you need to understand their profile for rate creation.
majiayu000/claude-skill-registry 163
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check-barrel-files
Check for redundant barrel files (index.ts) that only re-export a single item.
majiayu000/claude-skill-registry 163
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bio-workflow-management-snakemake-workflows
Build reproducible bioinformatics pipelines with Snakemake using rules, wildcards, and automatic dependency resolution. Use when creating Python-based workflows, automating multi-step analyses with make-like dependency tracking, or running pipelines on HPC clusters with SLURM.
majiayu000/claude-skill-registry 163
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animation-performance-retro
Optimize 8-bit animations for smooth performance. Apply when creating animated pixel art, game UI effects, or any retro-styled animations.
majiayu000/claude-skill-registry 163
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Managing GitHub Issue Dependencies
Manages GitHub issue blocking/blocked-by relationships using the native dependencies feature via GraphQL API. Use when showing that one issue must complete before another can proceed, querying dependency relationships, or preventing circular dependencies.
majiayu000/claude-skill-registry 163
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demo-builder
Automatically generate playable game demos from concept documents. Parses game designs, creates Three.js prototypes with scoring, characters, textures, and music. Transforms ideas into interactive experiences.
majiayu000/claude-skill-registry 163
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tdd-loop
Test-driven development loop for workflows - write tests first, then implementation
majiayu000/claude-skill-registry 163
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ux-creator
This skill should be used when creating user experiences from requirements or evaluating and improving existing UX designs. Covers translating requirements into effective UX flows, user journey mapping, information architecture, interaction patterns, and UX evaluation methodologies (heuristic evaluation, cognitive walkthrough). Use when tasks involve UX design, user flow creation, UX analysis, or improving user experience.
majiayu000/claude-skill-registry 163
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pydantic
Data validation and settings management using Python type annotations with Pydantic v2
majiayu000/claude-skill-registry 163
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nextjs-shadcn
Creates Next.js 16 frontends with shadcn/ui. Use when building React UIs, components, pages, or applications with shadcn, Tailwind, or modern frontend patterns.
majiayu000/claude-skill-registry 163
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deferred-rendering
Deferred shading/lighting skill for G-buffer design and decals.
majiayu000/claude-skill-registry 163
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instrumentation-and-telemetry
Implement deep instrumentation pipelines for tracing, metrics, and real-user monitoring of React apps.
majiayu000/claude-skill-registry 163
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activitypub-pr-workflow
INVOKE THIS SKILL before creating any PR to ensure compliance with branch naming, changelog requirements, and reviewer assignment.
majiayu000/claude-skill-registry 163
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git-push
Git Push Guide. Use when user wants to push changes to remote repository safely.
majiayu000/claude-skill-registry 163
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elite-powerpoint-designer
Create world-class PowerPoint presentations with professional design, consistent branding, sophisticated animations, and polished visual hierarchy. Use when users request presentations, slide decks, pitches, reports, or want to convert markdown to professionally designed PowerPoint with Apple/Microsoft/Google-level quality.
majiayu000/claude-skill-registry 163
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when-optimizing-agent-learning-use-reasoningbank-intelligence-dnyoussef-context-cascade
majiayu000/claude-skill-registry 163
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bio-compressed-files
Read and write compressed sequence files (gzip, bzip2, BGZF) using Biopython. Use when working with .gz or .bz2 sequence files. Use BGZF for indexable compressed files.
majiayu000/claude-skill-registry 163
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scala-pro
Master enterprise-grade Scala development with functional programming, distributed systems, and big data processing. Expert in Apache Pekko, Akka, Spark, ZIO/Cats Effect, and reactive architectures. Use PROACTIVELY for Scala system design, performance optimization, or enterprise integration.
majiayu000/claude-skill-registry 163
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rails-conventions
Rails code patterns and conventions following rubocop-rails-omakase style.
majiayu000/claude-skill-registry 163
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sonarcloud-security-triage
Apply triage decisions to SonarCloud security issues by reading a CSV with review decisions and updating issue/hotspot statuses via the SonarCloud API. Use when the user has reviewed security issues and wants to bulk-update SonarCloud with their triage decisions.
majiayu000/claude-skill-registry 163