loom-test-strategy
Test strategy guidance covering pyramid design, coverage, test categorization, flaky tests, infrastructure, and risk-based prioritization.
loom-testing
Test implementation across unit, integration, e2e, security, infrastructure, data pipeline, and ML domains.
loom-threat-model
Threat modeling methodologies (STRIDE, DREAD, PASTA, attack trees) for secure architecture design.
loom-typescript
TypeScript language expertise for type-safe, production-quality code.
loom-usage
Meta-orchestration skill for Claude driving loom itself.
loom-webhooks
Webhook implementation and consumption patterns. Not for: an internal pub/sub event — see loom-event-driven.
loom-wiring-test
Generates wiring verification YAML for loom plans.
loom-accessibility
Web accessibility patterns, WCAG compliance, and inclusive design.
loom-api-design
Designs RESTful APIs, GraphQL schemas, and RPC interfaces for consistency, usability, and scalability.
loom-api-documentation
Document REST APIs with OpenAPI/Swagger specifications, endpoint references, authentication flows, error handling, and SDK guides.
loom-argocd
GitOps continuous delivery with Argo CD for Kubernetes.
loom-auth
Authentication and authorization: OAuth2, JWT, RBAC/ABAC, sessions, API keys, MFA. Not for: LLM tokens.
loom-background-jobs
Background job processing: job queues, scheduled jobs, worker pools, retries, delivery guarantees. Not for: a loom job.
loom-before-after
Generates before/after verification pairs for loom plans. Not for: a stage's lifecycle state or a UI component's render state.
loom-code-migration
Strategies and patterns for safe code migrations and upgrades. Use when upgrading frameworks, migrating between technologies, handling deprecations, planning incremental rollouts, or applying automated codemods.
loom-accessibility
Web accessibility patterns, WCAG compliance, and inclusive design. Use when implementing accessible UI, keyboard navigation, screen reader support, focus management, semantic HTML, ARIA patterns, or auditing for compliance.
loom-api-design
Designs RESTful APIs, GraphQL schemas, and RPC interfaces for consistency, usability, and scalability. Use when defining endpoints, resource models, HTTP semantics, pagination, versioning, or RPC service contracts.
loom-api-documentation
Document REST APIs with OpenAPI/Swagger specifications, endpoint references, authentication flows, error handling, and SDK guides. Use for API reference docs, Swagger specs, interactive explorers, and client library documentation.
loom-argocd
GitOps continuous delivery with Argo CD for Kubernetes. Use when implementing declarative GitOps workflows, application sync/rollback, multi-cluster deployments, progressive delivery, or CD automation.
loom-auth
Authentication and authorization patterns including OAuth2, JWT, RBAC/ABAC, session management, API keys, password hashing, and MFA. Use for login flows, access control, identity management, tokens, permissions, and API key authentication. Do not use for vulnerability scanning (use loom-security-scan), audits (loom-security-audit), or threat modeling (loom-threat-model).
loom-background-jobs
Background job processing patterns including job queues, scheduled jobs, worker pools, retry strategies, and delivery guarantees. Use when implementing async processing, ETL pipelines, ML training jobs, cron schedules, or dead letter queues.
loom-before-after
Generates before/after verification pairs for loom plans. Proves a stage actually changed system behavior by capturing state before and after implementation. Use for delta-proof verification of new commands, endpoints, modules, or bug fixes.
loom-caching
Caching strategies for performance optimization — cache-aside, write-through, write-behind, TTL policies, eviction, and stampede prevention. Use for Redis/Memcached, CDN caching, database query caching, ML model caching, and distributed cache design.
loom-ci-cd
Designs and implements CI/CD pipelines for automated testing, building, deployment, and security scanning across GitHub Actions, GitLab CI, Jenkins, CircleCI, and cloud-native platforms. Covers pipeline optimization, test integration, artifact management, and release automation.
loom-code-review
Comprehensive code review covering correctness, maintainability, performance, security, and best practices. Use for PR reviews, pre-merge audits, architecture and design critique, and actionable reviewer feedback.
loom-concurrency
Concurrency and parallelism patterns for multi-threaded and async code. Use when implementing async/await, parallel processing, thread safety, worker pools, channels, or debugging race conditions and deadlocks across Rust (tokio), Python (asyncio), TypeScript, and Go.
loom-crossplane
Cloud-native infrastructure management with Crossplane via Kubernetes APIs. Use for building internal platform APIs, composite resources, XRDs, compositions, claims, provider configuration, and multi-cloud self-service provisioning.
loom-data-validation
Data validation patterns covering schema validation, input sanitization, output encoding, and type coercion. Use for form/API validation with Zod/Pydantic/Joi/JSON Schema, XSS and injection prevention, constraint checks, data pipeline and ML feature validation.
loom-data-visualization
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.
loom-database-design
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.
loom-dead-code-check
Generate dead code detection configuration for loom plan verification across Rust, TypeScript, Python, Go, and JavaScript. Use when adding the dead_code_check field or dead-code acceptance criteria to a plan, or catching incomplete wiring where code exists but is never called.
loom-debugging
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".
loom-dependency-scan
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.
loom-diagramming
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.
loom-docker
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.
loom-documentation
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.
loom-e2e-testing
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.
loom-error-handling
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.
loom-event-driven
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 NATS.
loom-feature-flags
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.
loom-fluxcd
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.
loom-git-workflow
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.
loom-golang
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.
loom-grafana
Observability visualization with Grafana and the LGTM stack. Use for creating dashboards, configuring panels, writing LogQL/TraceQL queries, setting up data sources, dashboard variables/templates, and Grafana alerts. Do not use for PromQL (see loom-prometheus).
loom-i18n
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.
loom-istio
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.
loom-karpenter
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.
loom-kubernetes
Kubernetes deployment, cluster architecture, security, and operations. Use for manifests, Helm charts, RBAC, network policies, operators/CRDs, PodSecurityStandards, troubleshooting, and production best practices.
loom-kustomize
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.
loom-logging-observability
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.
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