Query, recommend, and switch the Pulp JS engine backend (QuickJS, JavaScriptCore, V8).
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.
Apply production Juicebox SDK patterns.
Guides AI agents to use Jujutsu (jj) for robust, safe, and clean version control in non-interactive / headless environments.
Modern Python development with Python 3.12+, Django, FastAPI, async patterns, and production best practices.
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…
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…
Set up Kling AI API authentication with JWT tokens.
Handle Kling AI API rate limits with backoff and queuing strategies.
Migrate between Kling AI model versions safely.
Configure webhook callbacks for Kling AI task completion.
When to activate: Kotlin Multiplatform, KMP, shared code, expect/actual, commonMain, iOS interop, Ktor, SQLDelight, KMP mobile