Best Claude skills for coding
Coding skills change how your agent works, not only what it writes: brainstorm before building, write a plan, test first, review its own diff, and finish branches cleanly. Packs like Superpowers, Matt Pocock's skills, Addy Osmani's agent skills and Garry Tan's gstack are the most starred skills on GitHub.
484 coding skills · ranked live · November 2026
The top 10. Ranked by the Alyn Score.
- 1#1
Matt Pocock
Diagnosing Bugs
Diagnosis loop for hard bugs and performance regressions. Use when the user says "diagnose"/"debug this", or reports something broken/throwing/failing/slow.
321k33MScore 97 - 2#2
Ask Matt
Ask which skill or flow fits your situation. A router over the skills in this repo.
321k33MScore 95 - 3#3
Code Review
Review the changes since a fixed point (commit, branch, tag, or merge-base) along two axes: Standards (does the code follow this repo's documented coding standards?) and Spec (does the code…
321k33MScore 95 - 4#4
Jesse Vincent
Superpowers
Jesse Vincent
Writing Skills
Use when creating new skills, editing existing skills, or verifying skills work before deployment
316k3.9MScore 94 - 5#5
Jesse Vincent
Superpowers
Brainstorming
You MUST use this before any creative work - creating features, building components, adding functionality, modifying behavior, or planning anything new, in software or out of it (a talk, a…
316k3.9MScore 92 - 6#6
Jesse Vincent
Superpowers
Diagnosing Superpowers
Use when a superpowers session went wrong and your human partner wants to know why — repeated work, ignored plans, stumbles, poor results, a skill that didn't fire, "it took too long", "why…
316k3.9MScore 92 - 7#7
JuliusBrussee
Caveman Learn
Act on a Caveman learn report - review the ranked token sinks, apply cost-lowering fixes with per-edit consent, and report what those fixes returned. Use when asked to lower an agent's…
119k4.8MScore 90 - 8#8
affaan-m
Agent Architecture Audit
Full-stack diagnostic for agent and LLM applications. Audits the 12-layer agent stack for wrapper regression, memory pollution, tool discipline failures, hidden repair loops, and rendering…
301k1.7MScore 89 - 9#9
Agent Sort
Build an evidence-backed ECC install plan for a specific repo by sorting skills, commands, rules, hooks, and extras into DAILY vs LIBRARY buckets using parallel repo-aware review passes…
301k1.7MScore 89 - 10#10
Android Clean Architecture
Clean Architecture patterns for Android and Kotlin Multiplatform projects — module structure, dependency rules, UseCases, Repositories, and data layer patterns. Use when structuring…
301k1.7MScore 89
What makes a great coding skill.
A workflow (plan, implement, verify) rather than a list of tips.
Explicit stop conditions so the agent asks instead of guessing.
Skills that compose: planning, testing and review that hand off to each other.
All 484 coding skills.
multica-ai
Andrej Karpathy Skills
multica-aikarpathy-guidelines
Behavioral guidelines to reduce common LLM coding mistakes. Use when writing, reviewing, or refactoring code to avoid overcomplication, make surgical changes, surface assumptions, and…
nidhinjsprompt-master
Generates optimized prompts for AI tools. Activates only when the user explicitly asks to write, fix, improve, or adapt a prompt for a specific AI tool (LLM, Cursor, Midjourney, image AI…
ReScienceLab
Opc Skills
ReScienceLabarchive
Archive session learnings, debugging solutions, and deployment logs to .archive/yyyy-mm-dd/ as indexed markdown with searchable tags. Use when completing a significant task, resolving a…
Callstackdogfood
Systematically explore and test a mobile app on iOS/Android with agent-device to find bugs, UX issues, and other problems. Use when asked to "dogfood", "QA", "exploratory test", "find…
Callstackreact-native-best-practices
Provides React Native performance optimization guidelines for FPS, TTI, bundle size, memory leaks, re-renders, and animations. Applies to tasks involving Hermes optimization, JS thread…
Jakeschincariol
Replica Skill
Jakeschincariolreplica-brand
Names and rebrands an app clone so it is the user's own: name candidates with the trademark, domain, store and handle checks to run, a new palette checked for contrast, a logo brief, a…
Jakeschincariol
Replica Skill
Jakeschincariolreplica-design
Rebuilds an app's design system for a clone: colour roles, type scale, spacing, radius, shadows and every component with its states, as design tokens plus component specs, with original…
Jakeschincariol
Replica Skill
Jakeschincariolreplica-diff
Compares an app clone against the original: a feature parity score from the feature matrix (weighted by must, should, could) with the missing list in build order, plus a screenshot layout…
Nanako0129
Sepia
Nanako0129sepia
Make AI-generated writing read as human-written, in fiction and in professional prose. Repairs the narrative architecture of fiction and stories (based on StoryScope, arXiv:2604.03136)…
plugin87design-component
Design a UI component spec to the house quality bar (anatomy, variants, sizes, the 8 states, token mapping, and accessibility). Use when the user wants to design or document a component…
GarethManning
Education Agent Skills
GarethManningcurriculum-knowledge-architecture-designer
Map the epistemic structure of a subject to determine knowledge types and inform curriculum sequencing. Use when designing courses, restructuring programmes, or analysing knowledge…
Docker
Skills
Dockerdocker-build-strategies
Use this skill when writing, reviewing, or optimizing Dockerfiles, even if the user just says their image is too large, their build is slow, or they need to harden a container for…
Docker
Skills
Dockerdocker-compose-patterns
Use this skill when creating, modifying, or debugging Docker Compose configurations, even if the user just says they need to wire services together, add a database to their stack, or set up…
Docker
Skills
Dockerdocker-project-foundations
Use this skill when setting up, initializing, or Dockerizing a project, even if the user doesn't explicitly mention Docker but describes a need for containerized local development, adding a…
kostja94
Marketing Skills
kostja94public-relations
When the user wants to plan PR, write a press release, or manage media relations. Also use when the user mentions "public relations," "PR," "press release," "media relations," "news…
GarethManning
Education Agent Skills
GarethManningcognitive-tutoring-architecture-designer
Map knowledge components and skill hierarchies for a cognitive tutoring system or adaptive learning platform. Use when designing intelligent tutoring software or skill-based mastery systems.
michaelshimeles
Rstack
michaelshimelesevidence-driven-testing
Records visual proof while testing UI behavior — the agent tests the app hands-on via computer use while a screen recording with structured test/assertion annotations captures the session —…
Callstackvalidate-skills
Validates skills in this repo against agentskills.io spec and Claude Code best practices. Use via /validate-skills command.
agiprolabsfeature-engineering
Feature construction from market data for ML trading models including price, volume, on-chain, and microstructure features
michaelshimeles
Rstack
michaelshimelesgreploop
Address Greptile feedback on a PR, MR, or shelved changelist through bounded review and fix cycles. Use when the task includes a Greptile review loop. Supports the alternate @greptile-apps…
michaelshimeles
Rstack
michaelshimelesbefore-and-after
Captures before/after screenshots of web pages or elements for visual comparison. Use when user says "take before and after", "screenshot comparison", "visual diff", "PR screenshots"…
Nanako0129
Sepia
Nanako0129sepia-refactor
Use when a user explicitly requests Sepia refactor for minimal in-place prose revision.
aipoch
Medical Research Skills
aipochskill-auditor
A comprehensive auditor for any agent skill — including Manus, OpenClaw/ClawHub, Claude, LobeHub, or custom SKILL.md-based skills. Use this skill whenever a user wants to evaluate, audit…
kwakseongjaeego-browser
When you need a browser, read this Skill by default. Use it to open and operate websites, fill forms, click buttons, take screenshots, extract page data, sign in, and perform other browser…
kwakseongjaehangul
Fixes the Korean (Hangul) that coding agents get wrong, in web UI and in documents of any length. Typography for web UI: line breaking (break-all, keep-all, overflow-wrap), letter-spacing…
kwakseongjaeomd-restraint
절제미를 측정 가능한 규칙으로 — 덜어내기(subtraction)·여백·위계를 AUDIT(렌더된 페이지를 데스크톱·모바일에서 재서 규칙별 PASS/FAIL+수치)하거나 APPLY(인벤토리 → 필요 없는 것 삭제 → 중복 병합 → 비운 자리를 초점 요소에 준다 → 재측정)한다. 초점 1개(1등 ≥ 2× 2등), 첫 화면 조각 ≤ 5, 서체…
Affitor
Affiliate Skills
Affitorinternal-linking-optimizer
Analyze site's internal link structure and optimize for hub-and-spoke SEO architecture. Triggers on: "optimize internal links", "internal linking", "link structure", "hub and spoke links"…
BagelHole
DevOps Security Agent Skills
BagelHolellmops-platform-engineering
Build production LLMOps platforms with CI/CD, model promotion workflows, evaluation gates, rollback, and governance across cloud and self-hosted inference.
shawnpang
Startup Founder Skills
shawnpangarchitecture-design
When the user needs to design or evaluate system architecture — service boundaries, data models, API contracts, infrastructure topology, database selection, or dependency analysis. Also…
shawnpang
Startup Founder Skills
shawnpangcode-review
When the user asks for a code review, shares code for feedback, or says "review this", "check my code", "what's wrong with this". Also activate when reviewing a pull request or diff.
shawnpang
Startup Founder Skills
shawnpangearned-media-outreach
When the user wants to get press coverage, appear on podcasts, or build relationships with journalists and content creators. Also use when the user mentions "podcast guesting", "press…
tigerless-labs
SEO Ops
tigerless-labsseo-ops
Structural checklist and checker script for SEO foundation engineering. Use when reviewing or accepting a site/page for SEO/GEO structural compliance (robots, sitemap, canonical, 301…
Matt Pocockimprove-codebase-architecture
Scan a codebase for deepening opportunities, present them as a visual HTML report, then grill through whichever one you pick.
Matt Pococksetup-matt-pocock-skills
Configure this repo for the engineering skills: set up its issue tracker, triage label vocabulary, and domain doc layout. Run once before first use of the other engineering skills.
Matt Pococksetup-ts-deep-modules
Wire dependency-cruiser into a TypeScript repo so each package is a deep module, with implementation hidden in subfolders and reachable only through its entry-point files. User-invoked.
Matt Pococksoftware-factory
Shared language for designing a software factory: the tasks it runs and the services it plugs into.
Coding skills, explained.
Also searched as: claude code skills, best claude code skills, software engineering skills, superpowers.
What are the best Claude skills for coding?
Right now the top-ranked coding skills on Alyn are Diagnosing Bugs (Matt Pocock), Ask Matt (Matt Pocock), Code Review (Matt Pocock). Rankings combine GitHub stars, installs, freshness and depth, and update live.
What are the best Claude Code skills?
By stars and installs: Superpowers (obra), Matt Pocock's skills, Addy Osmani's agent-skills, gstack (Garry Tan) and Caveman. Alyn ranks them live.
How many skills should I install?
Start with one workflow pack and two or three task skills. Each skill only costs about 100 tokens until it is used, but overlapping skills can confuse which one runs.
How do I install a coding skill?
Run npx skills add owner/repo in your project, or copy the folder with SKILL.md into ~/.claude/skills. Every skill on this page has a ready-to-copy command.
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Coding skills for your agent