Developer Tools

Use when reviewing pull requests, conducting code quality audits, or identifying security vulnerabilities. Invoke for PR reviews, code quality checks, refactoring suggestions.

OpenHarmony React Native performance static checks and optimization. Based on ohos_react_native performance doc. Use when writing or reviewing React Native for OpenHarmony code, bundle-harmony, lifecycle, or TurboModule. Applies to RNAbility, Hermes bytecode, React render optimization.

Generate Terraform HCL code following HashiCorp's official style conventions and best practices. Use when writing, reviewing, or generating Terraform configurations.

Expert at organizing specs and splitting tasks across multiple GitHub repositories for monorepo, polyrepo, and parent repo architectures. Use when managing specs across multiple repos, coordinating cross-repo work, or allocating tasks to different teams/repositories.

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 improvements.

Verify smart contracts on Celo. Use when publishing contract source code to Celoscan or Blockscout.

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 improvements.

General guide for creating definition documents. Use when you need to define WHAT something IS - concepts, entities, systems, or domains. Routes to specialized sub-skills for specific definition types (business, features, code, marketing, branding, tools).

Execute implementation plans using fresh subagents per task with two-stage review (spec compliance + code quality). Use when executing multi-task plans with independent work units. Enhances ralph-loop methodology.

Add Google Analytics 4 tracking to any project. Detects framework, adds tracking code, sets up events, and configures privacy settings.

Use when understanding legacy or undocumented systems, creating documentation for existing code, or extracting specifications from implementations. Invoke for legacy analysis, code archaeology, undocumented features.

Repository-grounded threat modeling that enumerates trust boundaries, assets, attacker capabilities, abuse paths, and mitigations, and writes a concise Markdown threat model. Trigger only when the user explicitly asks to threat model a codebase or path, enumerate threats/abuse paths, or perform AppSec threat modeling. Do not trigger for general architecture summaries, code review, or non-security design work.