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Found 1,588 Skills
Skill for integrating Autumn - the billing and entitlements layer over Stripe.
Best practices and guidelines for working with Postgres. Covers schema design, indexing strategies, query optimization, migrations, and common pitfalls. Use when writing SQL, designing database schemas, optimizing queries, or setting up a Postgres database.
Vite build tool configuration, plugin API, SSR, library mode, and Vite 8 Rolldown/Oxc migration. Use when working with Vite projects, vite.config.ts, Vite plugins, building libraries or SSR apps with Vite, migrating from older Vite versions, or configuring Rolldown/Oxc options. Also use when the user mentions HMR, import.meta.glob, virtual modules, or Vite environment variables.
Expert guidance on securing npm packages, preventing supply chain attacks, and hardening package manager configurations
Educational guide on best practices for creating implementation plans that prevent drift. Covers style anchors, task sizing, TDD requirements, affirmative instructions, drift handling, and quality gates. Use when creating or improving implementation plans to ensure they follow proven patterns.
Guides development of Fastify Node.js backend servers and REST APIs using TypeScript or JavaScript. Use when building, configuring, or debugging a Fastify application — including defining routes, implementing plugins, setting up JSON Schema validation, handling errors, optimising performance, managing authentication, configuring CORS and security headers, integrating databases, working with WebSockets, and deploying to production. Covers the full Fastify request lifecycle (hooks, serialization, logging with Pino) and TypeScript integration via strip types. Trigger terms: Fastify, Node.js server, REST API, API routes, backend framework, fastify.config, server.ts, app.ts.
Implement internationalization with Lingui in React and JavaScript applications. Use when adding i18n, translating UI, working with Trans/useLingui/Plural, extracting messages, compiling catalogs, or when the user mentions Lingui, internationalization, i18n, translations, locales, message extraction, ICU MessageFormat, or working with .po files.
Velt Comments implementation patterns and best practices for React, Next.js, and web applications. Use when adding collaborative commenting features, comment modes (Freestyle, Popover, Stream, Text, Page), rich text editor comments (TipTap, SlateJS, Lexical), media player comments, or chart comments.
Guides Tailwind CSS v4 patterns for buttons and components. Use this skill when creating components with variants, choosing between CVA/tailwind-variants, or configuring Tailwind v4's CSS-first approach.
Refactors legacy Java code to modern patterns and best practices. Use when modernizing old Java code, converting to Java 8+ features, refactoring legacy applications, applying design patterns, improving error handling, extracting methods/classes, converting to streams/Optional/records, or migrating from old Java versions. Works with pre-Java 8 code, procedural Java, legacy frameworks, and outdated patterns.
Builds and refactors Phaser 3 browser games. Use for creating a new Phaser project, adding scenes, entities, physics, UI, tilemaps, animations, input, audio, camera, or for fixing Phaser-specific bugs and performance problems.
Smart contract security best practices for Solidity development. Use when writing, reviewing, or auditing Solidity code. Covers reentrancy prevention, access control patterns, safe external calls, input validation, upgrade safety, and OWASP Smart Contract Top 10 vulnerabilities. Triggers on tasks involving security, vulnerability detection, access control, CEI pattern, ReentrancyGuard, SafeERC20, or smart contract auditing.