This skill helps Claude Code safely execute implementation plans by breaking work into batches and requiring human review between each batch, preventing costly mistakes and ensuring alignment with goals.

Finding relevant information online is time-consuming with traditional keyword search. This skill enables semantic search using AI embeddings to discover similar content and conduct structured research through the Exa API.

Building event-sourced systems requires careful event store design decisions. This skill provides proven patterns for PostgreSQL, EventStoreDB, and DynamoDB implementations with optimistic concurrency and subscription support.

Build audit-ready systems with complete change history. This skill helps architects implement event sourcing, CQRS, and event-driven patterns for systems requiring temporal queries and reliable audit trails.

Agents require different evaluation approaches than traditional software. This skill provides frameworks to measure agent quality, track improvements, and validate context engineering choices.

Security professionals need a structured methodology for authorized penetration testing. This skill provides the complete pentesting lifecycle from reconnaissance to reporting, covering essential tools and techniques used by certified ethical hackers.

Build more resilient applications by mastering error handling patterns including exceptions, Result types, retry logic, and circuit breakers across Python, TypeScript, Rust, and Go.

This skill helps developers quickly diagnose software errors by analyzing error messages, stack traces, and performance data to identify root causes and suggest fixes.

Implement comprehensive error monitoring with Sentry integration, intelligent alerting, and real-time dashboards to quickly identify and resolve production issues.

This skill helps developers quickly diagnose and resolve production errors using systematic debugging techniques, distributed tracing analysis, and comprehensive observability patterns.

Production errors are hard to trace across distributed systems. This skill analyzes logs, correlates errors, and identifies root causes to accelerate debugging.

Coordinate multiple AI agents to perform comprehensive code reviews with specialized expertise in security, architecture, performance, and quality domains.

Production errors go unnoticed without proper monitoring. This skill helps you set up Sentry and other error tracking systems to detect, triage, and resolve issues before users complain.

This skill helps developers quickly identify the root cause of errors in production systems and implement proper error handling and observability solutions.

This skill helps developers set up complete development environments from scratch with step-by-step guidance for installing tools, configuring dependencies, and verifying everything works correctly.

Employment documentation requires legal precision and consistency. This skill provides templates and guidance for creating employment contracts, offer letters, and HR policies that follow best practices.

This skill helps developers choose and implement the right embedding models for vector search, providing code templates for OpenAI, Sentence Transformers, and domain-specific pipelines.

Most email campaigns fail due to poor deliverability. This skill helps you implement proper SPF/DKIM/DMARC authentication, configure transactional email queues with retry logic, and avoid spam folder placement.

Email sequences often fail due to poor strategy and generic content. This skill provides expert guidance on building drip campaigns that nurture relationships and drive conversions.

Get expert-level Elixir code with OTP patterns, supervision trees, and Phoenix LiveView. The skill provides guidance on concurrency, fault tolerance, and distributed systems for production applications.