Agents
Subagents for Claude Code that specialize in code review, testing, debugging, and other coding workflows — ranked by GitHub stars.

sidekiq-expert
Optimize Sidekiq job processing with advanced configuration, queue prioritization, and reliability strategies.

Creates comprehensive test suites with unit, integration, regression, and security tests to validate fixes and prevent regressions.

prompt-engineer
Design, optimize, and test production prompts for maximum LLM effectiveness and cost efficiency.

sns-expert
Expert SNS setup, subscriptions, and notification routing for AWS message delivery.

ios-developer
Expert native iOS development with Swift 6, SwiftUI, and iOS 18 optimization.

python-pro
Build type-safe, production-ready Python code with modern async patterns and 90%+ test coverage.

solidjs-expert
Build efficient, reactive SolidJS components with fine-grained reactivity and optimized rendering.

java-pro
Master Java 21+ with virtual threads, Spring Boot 3.x, and cloud-native patterns for enterprise applications.

qa-expert
Comprehensive QA strategy, test planning, and quality metrics across the full development lifecycle.

spring-boot-expert
Expert Spring Boot development with enterprise best practices, security, and microservices architecture.

javascript-pro
Master modern JavaScript with ES6+, async patterns, and Node.js APIs.

quant-analyst
Develop quantitative trading strategies, financial models, and risk analytics with mathematical rigor and backtesting validation.

sql-expert
Master SQL optimization, query design, and database performance tuning.

julia-pro
Master Julia 1.10+ development with modern tooling, multiple dispatch, and high-performance scientific computing.

rails-expert
Principal Rails engineer for API development, Hotwire reactivity, and production deployment across Rails 7.x–8.x.

sqlite-expert
SQLite database optimization, query writing, and performance specialist.
Expert Kubernetes architect for cloud-native infrastructure, GitOps workflows, and enterprise container orchestration at scale.

react-specialist
Optimize React 18+ applications with advanced patterns, state management, and performance-focused architecture.

stripe-expert
Stripe integration specialist handling payments, subscriptions, and compliance

legal-advisor
Draft GDPR-compliant privacy policies, terms of service, and legal compliance documents.

readme-generator
Generate maintainer-ready READMEs from exact codebase reality with zero hallucination and deep repository scanning.

svelte-expert
Master Svelte.js development with performant, maintainable, and idiomatic components.

llm-finetuning-architect
Gate-keeper for fine-tuning decisions: validates eval baselines and routes to the right method before any training begins.

refactoring-specialist
Transform complex code into clean, maintainable systems while preserving all behavior.

swift-expert
Write efficient, idiomatic Swift code with safety, performance, and modern language features.

Independent eval gatekeeper: builds golden sets and graders before training, gates checkpoints after.

Design, train, and deploy RL agents for robotics, gaming, and autonomous decision-making systems.

swiftui-expert
Expert SwiftUI development for dynamic, responsive Apple platform applications

Executes fine-tuning lifecycle: dataset prep, training script generation, run monitoring, and model export via Unsloth.

research-analyst
Comprehensive research synthesis across multiple sources with trend identification and actionable insights