Skills

R

release-it

ciembor / agent-rules-books

Apply Michael T. Nygard-inspired production reliability rules when designing failure handling, timeouts, retries, circuit breakers, observability, or deployment behavior

R

requirements-clarity

davila7 / claude-code-templates

Clarify ambiguous requirements through focused dialogue before implementation. Use when requirements are unclear, features are complex (>2 days), or involve cross-team coordination. Ask two core questions - Why? (YAGNI check) and Simpler? (KISS check) - to ensure clarity before coding.

W

wot-ui

wot-ui / wot-starter

Development guide for the wot-ui uni-app component library. Use this skill when the user asks about wot-ui component usage, configuration, examples, or APIs.

A

application-performance-performance-optimization

sickn33 / agentic-awesome-skills

Optimize end-to-end application performance with profiling, observability, and backend/frontend tuning. Use when coordinating performance optimization across the stack.

F

finishing-a-development-branch

sickn33 / agentic-awesome-skills

Use when implementation is complete, all tests pass, and you need to decide how to integrate the work - guides completion of development work by presenting structured options for merge, PR, or cleanup

F

frontend-apps

mystenlabs / skills

Sui frontend / dApp development with @mysten/dapp-kit-react (React) and @mysten/dapp-kit-core (Vue, vanilla JS, Svelte, Web Components, other frameworks). Use when building browser apps that connect Sui wallets, query on-chain state, or submit transactions. Covers wallet connection, network switching, transaction execution, query patterns with TanStack React Query, and the specific pitfalls of browser + wallet + async-indexer environments. Pair with the `sui-sdks` skill for @mysten/sui Transaction construction patterns and the `ptbs` skill for PTB semantics

G

gemma-dev

google-gemma / gemma-skills

Trigger this skill when building applications with Gemma or for general knowledge inquiries related to Gemma models (e.g. prompt structure, capabilities). Covers model selection, development workflows, and deployment best practices.

G

gsd-spike

open-gsd / gsd-core

Spike an idea through experiential exploration, or propose what to spike next (frontier mode)

M

matlab-performance-optimizer

matlab / agent-skills-playground

Optimize MATLAB code for better performance through vectorization, memory management, and profiling. Use when user requests optimization, mentions slow code, performance issues, speed improvements, or asks to make code faster or more efficient.

N

nestjs-oop-design-patterns

amirtaherkhani / nestjs-skills

Applies pragmatic OOP, SOLID, object-design rules, and design patterns to NestJS and TypeScript code. Use when writing or refactoring controllers, providers, use cases, entities, value objects, repositories, adapters, factories, strategies, handlers, or tests; when diagnosing god services, primitive obsession, inheritance misuse, duplicated conditionals, or leaky abstractions; and when selecting a pattern without over-engineering. Do not use for pure functional codebases or non-NestJS frontend work. When other skills also apply, reconcile ownership before mutation.

P

php-modernization

netresearch / php-modernization-skill

Use when modernizing PHP code: PHP 8.1-8.5 features, PSR/PHP-FIG/PER-CS compliance, PHPStan/Rector/PHP-CS-Fixer/PHPat tooling, DTOs/enums/readonly/property hooks, type safety. Triggers: PHP modernization, type safety, PHPStan, Rector, PHP-CS-Fixer, enum, DTO, readonly, strict_types, property hooks, PHP 8.4, PHP 8.5.

P

pwa-development

jwynia / agent-skills

Implement Progressive Web App features for React and Svelte projects. This skill should be used when the user asks to 'make a PWA', 'add offline support', 'create a service worker', 'fix caching issues', or wants installable web apps. Keywords: PWA, service worker, offline, manifest, caching, installable, Workbox, vite-pwa.

U

umbraco-backoffice

umbraco / umbraco-cms-backoffice-skills

Umbraco backoffice extension customisation — complete working examples showing how extension types combine

C

composition-root

alexander-zuev / agent-skills

Dependency injection for Cloudflare Workers: one composition root and binding adapters behind ports. Use when adding a binding-backed service or removing `env` from inner code.

C

content-collection

incluud / astro-agent-skills

Set up and evolve Astro content collections with typed schemas and reliable querying patterns

D

designing-data-intensive-applications

ciembor / agent-rules-books

Apply Martin Kleppmann-inspired data-system rules when designing reliability, scalability, consistency, replication, transactions, streams, or schema evolution.

Apply Feature-Sliced Design (FSD) v2.1 architectural methodology to frontend projects. Use when organizing code structure, decomposing features, creating new components or features, refactoring existing codebases, or when users mention "FSD", "Feature-Sliced", layers, slices, or frontend architecture patterns.

F

frontend-to-backend-requirements

davila7 / claude-code-templates

Document frontend data needs for backend developers. Use when frontend needs to communicate API requirements to backend, or user says 'backend requirements', 'what data do I need', 'API requirements', or is describing data needs for a UI.

G

godot-animation-player

thedivergentai / game-dev-agentic-skills

Expert patterns for AnimationPlayer including track types (Value, Method, Audio, Bezier), root motion extraction, animation callbacks, procedural animation generation, call mode optimization, and RESET tracks. Use for timeline-based animations, cutscenes, or UI transitions. Trigger keywords: AnimationPlayer, Animation, track_insert_key, root_motion, animation_finished, RESET_track, call_mode, animation_set_next, queue, blend_times.

G

godot-platform-mobile

thedivergentai / game-dev-agentic-skills

Expert blueprint for mobile platforms (Android/iOS) covering touch controls, virtual joysticks, responsive UI, safe areas (notches), battery optimization, and app store guidelines. Use when targeting mobile releases or implementing touch input. Keywords mobile, Android, iOS, touch, InputEventScreenTouch, virtual joystick, safe area, battery, app store, orientation.

M

mql-developer

thomaspraun / mql-developer

Comprehensive MQL4/MQL5 development for MetaTrader 4 and MetaTrader 5 platforms. Use when writing, reviewing, debugging, or architecting: Expert Advisors (EAs), custom indicators, scripts, libraries (.mqh), graphical panels, or any MQL code. Also use for: order/position management, risk management, backtesting strategies, communication with external APIs (WebRequest, REST, JSON), inter-program communication, code protection/licensing, and MQL4-to-MQL5 migration. Covers the full MQL ecosystem including trading automation, technical analysis, UI panels, and server integration.

R

rule-writing

millionco / react-doctor

Implement React Doctor rules from a validated contract. Use when writing oxlint rules, planning syntax or control-flow detection, designing adversarial tests, reusing syntax tree utilities, or updating rule registration.

S

security-guidance

owasp / secure-agent-playbook

Security-first development guidance based on OWASP ASVS (Application Security Verification Standard). Use this skill automatically when planning or implementing any code that touches user input, authentication, data persistence, network communication, file I/O, cryptography, or access control. This skill ensures all generated code adheres to industry-standard security practices with explicit references to applied guidance.

T

tech-stack:add-typescript-best-practices

neolabhq / context-engineering-kit

Set up TypeScript best practices and code style rules in CLAUDE.md

T

third-party-integration

aj-geddes / useful-ai-prompts

Integrate external APIs and services with error handling, retry logic, and data transformation. Use when connecting to payment processors, messaging services, analytics platforms, or other third-party providers.

T

threejs-lighting

cesartevisual / threejs-skills

Light Three.js scenes using environment maps, direct lights, baked light, and tuned shadow maps

1

141-java-refactoring-with-modern-features

jabrena / plinth

Use when you need to refactor Java code to adopt modern Java features (Java 8+) — including migrating anonymous classes to lambdas, replacing Iterator loops with Stream API, adopting Optional for null safety, switching from legacy Date/Calendar to java.time, using collection factory methods, applying text blocks, var inference, or leveraging Java 25 features like flexible constructor bodies and module import declarations. This should trigger for requests such as Review Java code for modern Java development; Apply best practices for modern Java development in Java code; Modernize Java code with records pattern matching or switch expressions; Replace legacy idioms with modern Java features; Adopt Java 8+ language features safely. Part of Plinth Toolkit

A

auditing-experiments-flags

posthog / skills

Audit PostHog experiments and feature flags for configuration issues, staleness, and best-practice violations. Read when the user asks to audit, health-check, or review experiments or feature flags, check flag hygiene, or verify experiment setup.

C

cloudflare-backend

alexander-zuev / agent-skills

DDD and CQRS backends on Cloudflare Workers: thin entrypoints, message bus, unit of work, outbox, idempotency, and rules for D1, Postgres, Queues, Workflows, and Durable Objects. Use for server code, bindings, or `wrangler.jsonc`.

E

encore-secret

encoredev / skills

Manage API keys, credentials, and other secrets in Encore.ts using `secret(...)` from `encore.dev/config`.

G

git:attach-review-to-pr

neolabhq / context-engineering-kit

Add line-specific review comments to pull requests using GitHub CLI API

Explain how something works in this codebase by exploring code and producing a clear architectural explanation. Optionally critique the architecture for issues.

M

motherduck-build-cfa-app

motherduckdb / agent-skills

Build MotherDuck analytics into customer-facing applications with tenant isolation, backend routing, and serving APIs.

T

tanstack-frontend

alexander-zuev / agent-skills

React and TanStack Start frontends with Feature-Sliced Design, Fowler's component layers, and query and mutation factories. Use for routes, pages, components, hooks, or data access.

T

tech-spec

alexander-zuev / agent-skills

Typed architecture spec before code: alternatives, contracts, call stacks, and a test plan. Use when asked for a tech spec, design, or architecture handoff.

T

the-pragmatic-programmer

ciembor / agent-rules-books

Apply Hunt and Thomas-inspired pragmatic programming rules when improving engineering judgment, feedback loops, DRY knowledge, orthogonality, automation, or adaptability.

T

threejs-shaders

cesartevisual / threejs-skills

Write and debug Three.js GLSL shaders, custom material effects, uniforms, and shader deformation

Audit, diagnose, or optimize website loading and interaction performance, Core Web Vitals, and Lighthouse performance scores.

C

c-pro

sickn33 / agentic-awesome-skills

Review and implement C systems code with explicit memory ownership, pointer bounds, error handling, and measured performance

C

code-review-change-size

openai / codex

Change size guidance (800 lines)

C

compose-navigation

new-silvermoon / awesome-android-agent-skills

Implement navigation in Jetpack Compose using Navigation Compose. Use when asked to set up navigation, pass arguments between screens, handle deep links, or structure multi-screen apps.

F

formisch

open-circle / agent-skills

Form handling with Formisch, the schema-first and type-safe form library for Angular, HonoX, Preact, Qwik, React, React Native, Solid, Svelte, and Vue. Use when creating forms, handling form state, validating inputs, working with field arrays, or using @formisch/* packages.

G

godot-tweening

thedivergentai / game-design-agentic-skills

Expert blueprint for programmatic animation using Tween for smooth property transitions, UI effects, camera movements, and juice. Covers easing functions, parallel tweens, chaining, and lifecycle management. Use when implementing UI animations OR procedural movement. Keywords Tween, easing, interpolation, EASE_IN_OUT, TRANS_CUBIC, tween_property, tween_callback.

H

hono-middleware

bobmatnyc / claude-mpm-skills

Hono middleware patterns: creation, composition, built-in middleware, and execution order for web applications

K

kuikly-reactive-observer

tencent-tds / kuiklyui-ai

Kuikly reactive updates and directive system development assistant (Kuikly DSL). Guides the use of observable, observableList, and observableSet for reactive UI updates, and the correct use of directives such as vfor, vforIndex, vforLazy, vif, velseif, velse, and vbind. Use when working in Kuikly on: (1) declaring reactive fields and binding them to UI properties; (2) list rendering (vfor/vforIndex/vforLazy); (3) conditional rendering (vif/velseif/velse); (4) value-bound rendering (vbind); (5) efficient list updates (diffUpdate); (6) troubleshooting unresponsive reactive data or UI updates; (7) adding, deleting, and modifying observableList/observableSet; (8) reactive update strategies for complex objects.

N

nowait-reasoning-optimizer

davila7 / claude-code-templates

Implements the NOWAIT technique for efficient reasoning in R1-style LLMs. Use when optimizing inference of reasoning models (QwQ, DeepSeek-R1, Phi4-Reasoning, Qwen3, Kimi-VL, QvQ), reducing chain-of-thought token usage by 27-51% while preserving accuracy. Triggers on "optimize reasoning", "reduce thinking tokens", "efficient inference", "suppress reflection tokens", or when working with verbose CoT outputs.

N

nuqs

pymodel / react-frontend-skills

nuqs type-safe URL search-param state

Q

quick-implement

buiducnhat / cobrew

Rapid implementation for small, low-risk, well-defined changes. Use when the task is narrow in scope, has clear acceptance criteria, and can be completed safely without a formal multi-phase plan.

C

clerk-nextjs-skills

gocallum / nextjs16-agent-skills

Clerk authentication for Next.js 16 (App Router only) with proxy.ts setup, migration from middleware.ts, environment configuration, and MCP server integration.

D

database-schema-design

secondsky / claude-skills

Database schema design for PostgreSQL/MySQL with normalization, relationships, constraints. Use for new databases, schema reviews, migrations, or encountering missing PKs/FKs, wrong data types, premature denormalization, EAV anti-pattern.

D

diagnosing-sdk-health

posthog / skills

Diagnoses the health of a project's PostHog SDK integrations — which SDKs are out of date and how to fix them. Use when a user asks about PostHog SDK versions, outdated SDKs, upgrade recommendations, “SDK health,” “SDK doctor” (the former name), or when events or features seem off and it might be due to an old SDK.

E

encore-cache

encoredev / skills

Cache data in Redis from Encore.ts using `CacheCluster` and typed keyspaces from `encore.dev/storage/cache`. Type-safe key/value access with TTLs, atomic increments, and per-keyspace data shapes.

E

encore-cron

encoredev / skills

Schedule periodic / recurring work in Encore.ts using `CronJob` from `encore.dev/cron`. Covers `every: "1h"` interval syntax and `schedule: "0 9 * * 1"` cron expressions.

K

kuikly-visibility-exposure

tencent-tds / kuiklyui-ai

Kuikly exposure and visibility event development assistant (Kuikly DSL). Guides the use of five visibility events—didAppear, didDisappear, willAppear, willDisappear, and appearPercentage—to implement component exposure reporting, visible-percentage monitoring, and list-item exposure tracking. Use for exposure reporting, visibility monitoring, list-item exposure tracking, and visible-percentage calculations in Kuikly.

P

prompt-caching

davila7 / claude-code-templates

Caching strategies for LLM prompts, including Anthropic prompt caching, response caching, and CAG (Cache Augmented Generation). Use when: prompt caching, cache prompt, response cache, CAG, cache augmented.

Z

zenstack-schema-modeling

zenstackhq / skills

Author ZModel (.zmodel) data schemas for ZenStack V3. Use when defining models, fields, field/model attributes, relations (1-1, 1-many, many-many, self), enums, custom types & mixins, polymorphic models (@@delegate), strongly-typed JSON fields, or computed fields.

A

artifact-management

aj-geddes / useful-ai-prompts

Manage build artifacts, Docker images, and package registries. Configure artifact repositories, versioning, and distribution strategies

B

babysitting-pr

spencerpauly / awesome-cursor-skills

Monitor a pull request for CI failures, review comments, and merge conflicts, then fix them automatically. Use when a PR is open and you want the agent to keep it merge-ready.

B

blume

haydenbleasel / blume

Build and maintain documentation sites with Blume, the markdown-first docs framework on Astro and Vite. Use when working in a project that depends on `blume`, scaffolding or configuring a docs site, writing Markdown/MDX content, tuning navigation/search/theming/SEO/AI features, running the `blume` CLI (init, dev, build, eject), or editing `blume.config.ts` and `meta.ts` files.

C

claude-sdk-integration-patterns

manutej / luxor-claude-marketplace

Expert integration patterns for Claude API and TypeScript SDK covering Messages API, streaming responses, tool use, error handling, token optimization, and production-ready implementations for building AI-powered applications