Skill Claude CodeCodex
Use when writing Dockerfiles, setting up docker-compose for local dev, configuring Kubernetes resources (Deployment, Service, Ingress, HPA), sizing pod resource limits, or packaging a service with Helm.
Skill Claude CodeCodex
Use when building or debugging data pipelines with Airflow or Prefect, writing dbt models or tests, designing incremental loads, implementing idempotent ETL/ELT jobs, validating data quality, or orchestrating multi-step data workflows.
Skill Claude CodeCodex
Use when designing a schema, adding indexes to fix slow queries, writing a zero-downtime migration, diagnosing N+1 issues with EXPLAIN ANALYZE, or configuring connection pooling for a PostgreSQL-backed service.
Skill Claude CodeCodex
Database guidance for schema naming, safe migrations, indexing, N+1 detection, transaction scope, and soft-delete versus hard-delete tradeoffs. Use when designing schemas, writing migrations, or tuning persistence behavior.
Skill Claude CodeCodex
Use when choosing a deployment strategy for a release, setting up canary or blue/green rollouts, adding feature flags to decouple deployment from release, coordinating a zero-downtime database migration, or defining rollback criteria and procedures.
Skill Claude CodeCodex
Use when choosing a branching strategy, writing a commit message, opening or reviewing a pull request, setting up commit linting, or tagging a versioned release.
Skill Claude CodeCodex
Containerization guidance for multi-stage builds, non-root execution, dockerignore hygiene, layer caching, healthchecks, and secret handling. Use when writing or reviewing Dockerfiles and container images.
Skill Claude CodeCodex
End-to-end (E2E) testing patterns for user journeys, browser automation, UI state, and production-like environment validation. Use when testing the system as a black box from the user's perspective.
Skill Claude CodeCodex
Use when designing or debugging an event-driven system — choosing Kafka partitioning strategies, implementing the outbox pattern, handling dead-letter queues, ensuring idempotent consumers, or making event sourcing decisions.
Skill Claude CodeCodex
Use when structuring a FastAPI application, designing dependency injection chains, defining Pydantic v2 schemas, adding JWT authentication, or writing async route tests with httpx.
Skill Claude CodeCodex
Use when adding feature flag support to a service, designing a percentage-based rollout, setting up A/B experiments or multivariate tests, choosing between LaunchDarkly, Unleash, and OpenFeature, writing tests for flag-gated code, or managing flag lifecycle and cleanup.
Skill Claude CodeCodex
Use when designing React component structure, deciding where state should live, implementing data fetching with TanStack Query, building validated forms, or optimizing rendering performance.
Skill Claude CodeCodex
Use when building or debugging Temporal workflows in Python — structuring workflows and activities, enforcing determinism, handling retries and timeouts, managing state across replays, or diagnosing workflow failures.
Skill Claude CodeCodex
Git workflow guidance for branch naming, conventional commits, PR title format, merge strategy, and safe history rewriting. Use when creating branches, preparing commits, or reviewing repository hygiene.
Skill Claude CodeCodex
Use when creating, triaging, or filing GitHub issues — writing bug reports, feature requests, or task tickets; classifying severity; using the gh CLI; or handling edge cases like regressions, flaky failures, security vulnerabilities, or cross-repo dependencies.
Skill Claude CodeCodex
Use when writing or debugging non-trivial Go — error handling patterns, goroutine/channel design, interface composition, generics, context propagation, or Go-specific idioms like table-driven tests and functional options.
Skill Claude CodeCodex
Use when triaging a production alert, writing a postmortem, creating or updating a runbook, classifying incident severity, or setting up on-call escalation paths.
Skill Claude CodeCodex
Use when writing Terraform for cloud resources, setting up remote state, structuring modules for reuse, managing multiple environments, reviewing a plan before apply, or importing and resolving state drift.
Skill Claude CodeCodex
Integration testing patterns for database state, API contracts, service boundaries, and component wiring. Use when testing how multiple parts of a system work together without mocks.
Skill Claude CodeCodex
Use when building or debugging LangGraph workflows — designing state graphs, adding conditional routing, wiring checkpointers, streaming tokens, implementing human-in-the-loop interrupts, or coordinating multi-agent subgraphs.
Skill Claude CodeCodex
Use when installing or configuring memorymap, writing CLAUDE.md session-setup instructions, choosing what to save in memory vs history, managing cross-project memory, tuning compression, or troubleshooting why Claude isn't loading context at session start.
Skill Claude CodeCodex
Use when decomposing a monolith, designing inter-service communication, implementing circuit breakers or sagas, reasoning about data ownership across services, or setting up an API gateway for a distributed system.
Skill Claude CodeCodex
Use when writing async MongoDB queries with Motor, designing aggregation pipelines, creating indexes, running multi-document transactions, or working with adk.state in Agentex agents.
Skill Claude CodeCodex
Use when adding structured logging, instrumenting Prometheus metrics, wiring up distributed tracing with OpenTelemetry, writing alerting rules, defining SLOs and error budgets, or building a Grafana golden-signals dashboard.