Developer Tools & Repos Agent Skills for Gemini CLI

Migrate jQuery 3.x to 4.0.0 safely in WordPress and legacy web projects.

Implement, refactor, or review worker-based multithreading in TypeScript/JavaScript apps (browser or Node).

Use when running Java snippets in JShell or using JShell as a Java REPL or scratchpad.

json-render component catalog patterns for AI-safe generative UI.

Strict JSON:API v1.1 specification compliance.

Optimize Juicebox performance.

Apply production Juicebox SDK patterns.

Guides AI agents to use Jujutsu (jj) for robust, safe, and clean version control in non-interactive / headless environments.

Use when implementation is complete, all tests pass, and you need to decide how to integrate the work - guides completion of development…

Modern Python development with Python 3.12+, Django, FastAPI, async patterns, and production best practices.

Use when starting feature work that needs isolation from current workspace or before executing implementation plans - creates isolated git…

React and Next.js performance optimization guidelines from Vercel Engineering.

Complete guide for Kamino Finance - Solana's leading DeFi protocol for lending, borrowing, liquidity management, and leverage trading.

Baseline cross-project coding conventions for naming, readability, immutability, and code-quality review.

Next.js 16+ and Turbopack — incremental bundling, FS caching, dev speed, and when to use Turbopack vs webpack.

SwiftUI view refactor/review: layout, DI, Observation, view models.

Use when writing, reviewing, or committing code to enforce Karpathy's 4 coding principles — surface assumptions before coding, keep it…

Next.js best practices - file conventions, RSC boundaries, data patterns, async APIs, metadata, error handling, route handlers, image/font…

Use when implementing or debugging ANY network request, API call, or data fetching.

Reviews Python code with an extremely high quality bar for Pythonic patterns, type safety, and maintainability.

Use for migrating one technology to another in Android/Kotlin/KMP/JVM projects with behavioral parity — Databinding to ViewBinding…