Skill Claude CodeCodex
Build effective charts, dashboards, and reports across analytics, infrastructure monitoring, and ML domains. Use for library selection, visualization UX, accessibility, and domain-specific dashboard design.
Skill Claude CodeCodex
Database schema and data model design for relational, NoSQL, time-series, and warehouse systems. Use for ERDs, normalization/denormalization, indexing, migrations, star/snowflake schemas, event sourcing, and OLTP/OLAP performance tuning.
Skill Claude CodeCodex
Generate dead code detection configuration for loom plan verification across Rust, TypeScript, Python, Go, and JavaScript. Use when adding the deadcodecheck field or dead-code acceptance criteria to a plan, or catching incomplete wiring where code exists but is never called.
Skill Claude CodeCodex
Systematic diagnosis and resolution of software bugs, test failures, data quality issues, and performance problems. Use for root-cause analysis, stack trace investigation, flaky/intermittent tests, regressions, crash triage, and "passes locally, fails in CI".
Skill Claude CodeCodex
Scan project dependencies for CVEs, outdated packages, and license compliance across npm, pip, cargo, go, maven, and other ecosystems. Use for vulnerability scanning, SBOM generation, supply chain analysis, and automated dependency updates.
Skill Claude CodeCodex
Create technical diagrams using Mermaid syntax for architecture, sequences, ERDs, flowcharts, and state machines. Use for visualizing system design, data flows, C4 models, and process diagrams in documentation.
Skill Claude CodeCodex
Docker and container expertise. Use for writing Dockerfiles, docker-compose files, multi-stage builds, layer optimization, image security hardening, networking, volumes, registries, and container debugging.
Skill Claude CodeCodex
Creates and maintains technical documentation including API docs, READMEs, architecture docs, changelogs, ADRs, and inline code comments. Use for any documentation task from code-level docstrings to project-level guides.
Skill Claude CodeCodex
End-to-end testing for web applications with Playwright, Cypress, Selenium, and Puppeteer. Use for setting up E2E tests, debugging failures, improving reliability, and implementing browser automation with Page Object Model, selector strategies, network interception, visual regression, and flaky-test prevention.
Skill Claude CodeCodex
Error handling patterns and strategies including Rust Result/Option, API error responses, data pipeline errors, and security-aware handling. Use for exception handling, error recovery, retry logic, circuit breakers, fallbacks, graceful degradation, error taxonomy, and designing error hierarchies.
Skill Claude CodeCodex
Event-driven architecture patterns including message queues, pub/sub, event sourcing, CQRS, and sagas. Use for async messaging, distributed transactions, event stores, domain/integration events, data streaming, choreography/orchestration, delivery guarantees, or integrating with Kafka, RabbitMQ, Pulsar, SQS/SNS, or…
Skill Claude CodeCodex
Feature flag patterns for controlled rollouts, A/B testing, kill switches, and runtime configuration. Use for feature toggles, gradual/percentage/canary rollouts, dark launches, user targeting, experiments, emergency kill switches, and model/infrastructure flag switching.
Skill Claude CodeCodex
GitOps continuous delivery toolkit for Kubernetes with Flux CD. Use for declarative deployments, Helm chart automation, Kustomize overlays, image update automation, multi-tenancy, and Git-based continuous delivery.
Skill Claude CodeCodex
Git operations guidance including branching strategies, commit conventions, merge workflows, conflict resolution, and worktree management. Use for any Git-related task from branch design to history rewriting.
Skill Claude CodeCodex
Go language expertise for idiomatic, production-quality code. Use for Go development, concurrency patterns with goroutines and channels, error handling, testing, and module management following Effective Go principles.
Skill Claude CodeCodex
Observability visualization with Grafana and the LGTM stack. Use for creating dashboards, configuring panels, writing LogQL/TraceQL queries, provisioning data sources and alerts, and dashboard variables/templates. Do not use for PromQL rule design (see loom-prometheus).
Skill Claude CodeCodex
Internationalization and localization patterns for multi-language applications. Use when implementing translation systems, locale-specific formatting (dates, numbers, currency), RTL layouts, pluralization, or language switching with libraries like i18next, react-intl, FormatJS, or gettext.
Skill Claude CodeCodex
Service mesh implementation with Istio for microservices traffic management, security, and observability. Use for mTLS, traffic routing, load balancing, circuit breakers, retries, timeouts, canary/blue-green deployments, A/B testing, and Envoy sidecar configuration.
Skill Claude CodeCodex
Kubernetes node autoscaling and cost optimization with Karpenter. Use for node provisioning, spot instance management, cluster right-sizing, node consolidation, NodePool/EC2NodeClass configuration, disruption budgets, and multi-architecture support.
Skill Claude CodeCodex
Kubernetes deployment, cluster architecture, security, and operations. Use for manifests, Helm charts, RBAC, network policies, operators/CRDs, PodSecurityStandards, troubleshooting, and production best practices.
Skill Claude CodeCodex
Kubernetes-native configuration management with Kustomize. Use for environment-specific configs, resource patching (strategic merge, JSON6902), ConfigMap/Secret generation, overlays/bases, multi-environment deployments, and GitOps workflows.
Skill Claude CodeCodex
Logging and observability patterns for production systems. Use for structured JSON logging with correlation IDs, distributed tracing (OpenTelemetry, Jaeger, Zipkin), metrics collection (Prometheus), log aggregation (ELK, Loki, Datadog), and alerting strategies.
Skill Claude CodeCodex
Fix markdown table alignment and spacing issues. Use when formatting tables in markdown files, aligning columns, normalizing cell padding, or ensuring proper GFM table structure. Runs a Python script to normalize column widths while preserving alignment markers.
Skill Claude CodeCodex
Evaluates ML models for performance, fairness, and reliability. Use for metric selection, cross-validation strategies, overfitting/underfitting diagnosis, hyperparameter tuning, LLM evaluation, A/B testing, and production monitoring for model drift.