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

openapi-expert
Design, document, and optimize APIs using OpenAPI 3.0/3.1 specifications with validation and best practices.

Root cause analysis and debugging for errors, test failures, and unexpected behavior.

llm-architect
Design and deploy production LLM systems with optimized inference, fine-tuning, RAG, and multi-model orchestration.

opensearch-expert
Expert OpenSearch cluster management, query optimization, and performance tuning.
Search logs and correlate error patterns to identify root causes across systems.

m365-admin
Automate Microsoft 365 administration: Exchange, Teams, SharePoint, licensing, and Graph API identity workflows.

opentelemetry-expert
Expert OpenTelemetry instrumentation, tracing, metrics, and observability configuration.

eval-judge
LLM judge for plugin skill quality assessment using anchored rubrics across 4 dimensions.

Deploy, optimize, and serve ML models at scale with production-grade inference infrastructure.

owasp-top10-expert
Identify and mitigate OWASP Top 10 web application security risks through expert assessment and remediation.

eval-orchestrator
Orchestrates layered plugin quality evaluation combining static analysis and LLM judgment into composite scores and badges.

market-researcher
Analyze markets, consumers, and competitors to inform strategic business decisions and market entry strategies.

pandas-expert
Expert pandas data manipulation, transformation, and analysis for Python workflows.

event-sourcing-architect
Expert in event sourcing, CQRS, and event-driven architecture patterns for audit trails and temporal queries.

mcp-developer
Build, debug, and optimize Model Context Protocol servers and clients connecting AI systems to external tools and data sources.

perl-expert
Master Perl scripting, regex, and text processing with CPAN modules and advanced data manipulation.

firmware-analyst
Expert firmware analyst for embedded systems security, IoT penetration testing, and hardware reverse engineering.

microservices-architect
Design resilient, scalable microservice architectures with Kubernetes, service mesh, and cloud-native patterns.

phoenix-expert
Expert Phoenix framework optimization, real-time features, and idiomatic Elixir patterns for scalable web applications.

flutter-expert
Expert Flutter development across mobile, web, desktop, and embedded platforms with Dart 3 and advanced architecture patterns.

ml-engineer
Build production ML systems with automated pipelines, model serving, and continuous monitoring.

php-expert
Develop secure, modern PHP applications with best practices and PHP 8+ features.
Master architect reviews system designs for architectural integrity, scalability, and modern pattern compliance.

mlops-engineer
Design and implement production-grade ML infrastructure, CI/CD pipelines, and model versioning systems for reliable, automated ML platforms.

playwright-expert
Expert Playwright test automation for modern web applications with cross-browser coverage and CI/CD integration.
Safely refactor legacy codebases and migrate frameworks with gradual modernization patterns.

mobile-app-developer
Build high-performance native and cross-platform iOS/Android apps with platform best practices and optimization.

postgres-expert
Expert PostgreSQL optimization: advanced SQL, indexing, schema design, and high-availability database systems.
Expert React 19 & Next.js 15 developer for modern component architecture, server-side rendering, and performance optimization.

mobile-developer
Cross-platform mobile expert delivering native-quality iOS and Android apps with 80%+ code sharing and offline-first architecture.