leonvanzyl/agentic-coding-starter-kit
Skill Claude CodeCodex
Answer questions about the AI SDK and help build AI-powered features. Use when developers: (1) Ask about AI SDK functions like generateText, streamText, ToolLoopAgent, embed, or tools, (2) Want to build AI agents, chatbots, RAG systems, or text generation features, (3) Have questions about AI providers (OpenAI…
leonvanzyl/agentic-coding-starter-kit
Skill Claude CodeCodex
Configure Better Auth server and client, set up database adapters, manage sessions, add plugins, and handle environment variables. Use when users mention Better Auth, betterauth, auth.ts, or need to set up TypeScript authentication with email/password, OAuth, or plugin configuration.
leonvanzyl/agentic-coding-starter-kit
Skill Claude CodeCodex
Create a comprehensive checkpoint commit with detailed analysis of all changes. Use this skill when the user says "checkpoint", "commit everything", "save my progress", "create a commit", or wants to stage and commit all current changes with a well-crafted message. Also use when the user says "/checkpoint" or asks to…
leonvanzyl/agentic-coding-starter-kit
Skill Claude CodeCodex
Scaffold and fully configure a new Agentic Coding Starter Kit project — a Next.js 16 + TypeScript + Better Auth + Drizzle + PostgreSQL + AI SDK boilerplate. Use this skill whenever the user asks to set up, scaffold, create, initialize, or bootstrap an "agentic coding starter kit", "agentic app", "agentic boilerplate"…
leonvanzyl/agentic-coding-starter-kit
Skill Claude CodeCodex
Create a structured feature specification with self-contained task files organized into parallel execution waves. Use this skill when the user says "create a spec", "plan this feature", "write up an implementation plan", "break this into tasks", or after any planning conversation where the user wants to capture…
leonvanzyl/agentic-coding-starter-kit
Skill Claude CodeCodex
Helps users discover and install agent skills when they ask questions like "how do I do X", "find a skill for X", "is there a skill that can...", or express interest in extending capabilities. This skill should be used when the user is looking for functionality that might exist as an installable skill.
leonvanzyl/agentic-coding-starter-kit
Skill Claude CodeCodex
Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, artifacts, posters, or applications (examples include websites, landing pages, dashboards, React components, HTML/CSS layouts, or when styling/beautifying any web UI).…
leonvanzyl/agentic-coding-starter-kit
Skill Claude CodeCodex
Orchestrate parallel implementation of a feature specification by dispatching coder agents wave-by-wave with code review gates between waves. Use this skill when the user says "implement this feature", "start implementing", "run the spec", "execute the plan", "continue implementing", or wants to begin coding a…
leonvanzyl/agentic-coding-starter-kit
Skill Claude CodeCodex
Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate external APIs or services, whether in Python (FastMCP) or Node/TypeScript (MCP SDK).
leonvanzyl/agentic-coding-starter-kit
Skill Claude CodeCodex
Next.js App Router expert guidance. Use when building, debugging, or architecting Next.js applications — routing, Server Components, Server Actions, Cache Components, layouts, middleware/proxy, data fetching, rendering strategies, and deployment on Vercel.
leonvanzyl/agentic-coding-starter-kit
Skill Claude CodeCodex
Next.js best practices - file conventions, RSC boundaries, data patterns, async APIs, metadata, error handling, route handlers, image/font optimization, bundling.
leonvanzyl/agentic-coding-starter-kit
Skill Claude CodeCodex
Automate browser interactions, test web pages and work with Playwright tests.
leonvanzyl/agentic-coding-starter-kit
Skill Claude CodeCodex
Review pull requests with complexity-adaptive depth — spawning deep-dive agents for medium and complex PRs. Use this skill when the user says "review this PR", "review PR #123", "check this pull request", "give me a code review", or wants feedback on a PR before merging. Also use when the user says "/review-pr" or…
leonvanzyl/agentic-coding-starter-kit
Skill Claude CodeCodex
Performs comprehensive OWASP Top 10:2025 security vulnerability analysis on any codebase. Use this skill whenever the user asks to: review code for security, perform a security audit, scan for vulnerabilities, find security issues, improve application security, check for OWASP compliance, do a penetration test review…
leonvanzyl/agentic-coding-starter-kit
Skill Claude CodeCodex
Manages shadcn components and projects — adding, searching, fixing, debugging, styling, and composing UI. Provides project context, component docs, and usage examples. Applies when working with shadcn/ui, component registries, presets, --preset codes, or any project with a components.json file. Also triggers for…
leonvanzyl/agentic-coding-starter-kit
Skill Claude CodeCodex
Push the current branch to GitHub and create a pull request. Use this skill when the user says "ship it", "ship this", "push to github", "create a pr", "open a pull request", "send for review", "get this reviewed", or wants to push their work and open a PR. Also use when the user says "/ship-it". This skill handles…
leonvanzyl/agentic-coding-starter-kit
Skill Claude CodeCodex
Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.
leonvanzyl/agentic-coding-starter-kit
Agent Codex
Analyze blind comparison results to understand WHY the winner won and generate improvement suggestions.
leonvanzyl/agentic-coding-starter-kit
Agent Codex
Compare two outputs WITHOUT knowing which skill produced them.
leonvanzyl/agentic-coding-starter-kit
Agent Codex
Evaluate expectations against an execution transcript and outputs.
leonvanzyl/agentic-coding-starter-kit
Skill Claude CodeCodex
React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing, or refactoring React/Next.js code to ensure optimal performance patterns. Triggers on tasks involving React components, Next.js pages, data fetching, bundle optimization, or performance…
leonvanzyl/agentic-coding-starter-kit
Skill Claude CodeCodex
Review UI code for Web Interface Guidelines compliance. Use when asked to "review my UI", "check accessibility", "audit design", "review UX", or "check my site against best practices".
leonvanzyl/agentic-coding-starter-kit
Agent Claude Code
Use this agent when:\n\n1. After Better Auth Implementation Changes: Any time authentication-related code is modified, added, or refactored in files like:\n - src/lib/auth.ts (server config)\n - src/lib/auth-client.ts (client hooks)\n - src/app/api/auth/[...all]/route.ts (catch-all handler)\n - Authentication UI…
leonvanzyl/agentic-coding-starter-kit
Agent Claude Code
Use this agent when you need a thorough code review of recently written code, when you want to ensure code quality meets the highest standards, when checking for technical debt, security vulnerabilities, or performance issues, or when you need to run quality checks like linting and type checking. Examples:\n\n…