Discover Development skills, compare source repositories and read the instructions for each workflow.
LLM gateway and routing configuration using OpenRouter and LiteLLM. Invoke when: - Setting up multi-model access (OpenRouter, LiteLLM) - Configuring model fallbacks and reliability - Implementing cost-based or...
Apply Ousterhout's software design principles: detect shallow modules, information leakage, and complexity red flags. Use when reviewing code, designing modules, refactoring, or discussing architecture.
Clerk authentication integration patterns for Next.js and Convex. Invoke for: user authentication, session management, JWT templates, webhook handling, middleware configuration, protected routes, Convex auth in...
Apply quality gate standards for git hooks, testing, CI/CD, and automation using Lefthook, Vitest, GitHub Actions, and quality enforcement. Use when setting up quality infrastructure, configuring hooks, discuss...
Environment variable management across Vercel, Convex, and other platforms. Invoke for: trailing whitespace issues, cross-platform parity, Invalid character errors, webhook secrets, API key management, producti...
Write effective LLM prompts, commands, and agent instructions. Goal-oriented over step-prescriptive. Role + Objective + Latitude pattern. Use when writing prompts, designing agents, building Claude Code command...
Generate and edit images using the Gemini API (Nano Banana). Use this skill when creating images from text prompts, editing existing images, applying style transfers, generating logos with text, creating sticke...
Patterns for reliable external service integration: env validation, health checks, error handling, observability. Invoke when integrating Stripe, Clerk, Sendgrid, or any external API.
Generative art creation with p5.js. Invoke for: algorithmic art, computational aesthetics, seeded randomness, particle systems, flow fields, noise functions, interactive visualizations, emergent behavior, proce...
Mandatory incident fix verification with observables. Invoke after: applying production fixes, before declaring incidents resolved, when someone says 'I think that fixed it'. Requires log entries, metric change...
Ruby and Rails best practices for services, testing, and architecture. Use when: - Writing or reviewing Ruby/Rails code - Designing service objects or organizing business logic - Setting up RSpec tests with Fac...
Conduct design interviews, generate five distinct UI variations in a temporary design lab, collect feedback, and produce implementation plans. Use when the user wants to explore UI design options, redesign exis...
Modern C# development with .NET 8+, async patterns, and records. Use when: - Writing or reviewing C# code - Configuring async/await with ConfigureAwait - Using nullable reference types - Implementing pattern ma...
Universal database schema design principles: normalization strategy, data types, primary keys, constraints, anti-patterns, and red flags. Apply when designing schemas, reviewing database architecture, or refact...
Browser extension development with security and cross-browser support. Use when: - Building Chrome, Firefox, or Safari extensions - Requesting permissions in manifest - Implementing content scripts or backgroun...
Command-line tool development patterns and conventions. Use when: - Building CLI applications - Designing command interfaces - Implementing help and error messages - Choosing CLI frameworks - Following Unix con...
Invoke Codex CLI as a coworker for implementation, brainstorming, specs, and reviews. Use when you want parallel thinking, cheap execution, or a second opinion. Codex tokens are cheaper than yours — delegate ag...
Generate visual design proposal catalogues for existing projects. Use when: - User wants to explore design directions before implementation - Redesigning or refreshing an existing interface - Starting /aestheti...
Apply Convex database best practices for cost optimization, performance, security, and architecture. Use when: building Convex backends, optimizing queries, handling embeddings/vector search, reviewing Convex c...
Git workflow enforcement and best practices. Use when: - Writing commit messages or reviewing commits - Creating branches or choosing merge strategies - Setting up CI/CD pipelines with git operations - Resolvin...
Actionable design system complementing official frontend-design plugin. The plugin provides philosophy; this skill provides executable patterns. Invoke when: - Building web components, pages, or applications -...
Apply billing and security best practices for payment/auth integrations. Invoke when: setting up Stripe/Clerk/auth, debugging payment issues, configuring webhooks, before prod deployment, after billing incident...
Comprehensive guide for integrating Gemini CLI as research assistant. Use when you need to delegate research to Gemini, understand its capabilities vs Claude's, or determine the right tool for a task.
Stripe integration patterns, parameter constraints, and debugging. Auto-invoke when: file contains stripe/payment/checkout/webhook, imports stripe package, references STRIPE_* env vars. Use for checkout mode se...
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