Skills
18,283 skills, most installed first.
Browse
performance-regression-debuggingaj-geddesIdentify and debug performance regressions from code changes. Use comparison and profiling to locate what degraded performance and restore baseline metrics.performance-testingaj-geddesDesign and execute performance tests to measure response times, throughput, and resource utilization. Use for performance test, load test, JMeter, k6, benchmark, latency testing, and scalability analysis.polyglot-integrationaj-geddesIntegrate multiple programming languages using FFI, native bindings, gRPC, or language bridges. Use when combining strengths of different languages or integrating legacy systems.process-mappingaj-geddesVisualize and document current and future business processes. Identify inefficiencies, dependencies, and improvement opportunities through detailed process mapping and analysis.profiling-optimizationaj-geddesProfile application performance, identify bottlenecks, and optimize hot paths using CPU profiling, flame graphs, and benchmarking. Use when investigating performance issues or optimizing critical code paths.progressive-web-appaj-geddesBuild progressive web apps using service workers, web manifest, offline support, and installability. Use when creating app-like web experiences.project-estimationaj-geddesEstimate project scope, timeline, and resource requirements using multiple estimation techniques including bottom-up, top-down, and analogous estimation methods for accurate project planning.prometheus-monitoringaj-geddesSet up Prometheus monitoring for applications with custom metrics, scraping configurations, and service discovery. Use when implementing time-series metrics collection, monitoring applications, or building observability infrastructure.property-based-testingaj-geddesDesign property-based tests that verify code properties hold for all inputs using automatic test case generation. Use for property-based, QuickCheck, hypothesis testing, generative testing, and invariant verification.pull-request-automationaj-geddesAutomate pull request workflows with templates, checklists, auto-merge rules, and review assignments. Reduce manual overhead and improve consistency.push-notification-setupaj-geddesImplement push notifications for iOS and Android. Covers Firebase Cloud Messaging, Apple Push Notification service, handling notifications, and backend integration.query-caching-strategiesaj-geddesImplement query caching strategies to improve performance. Use when setting up caching layers, configuring Redis, or optimizing database query response times.rate-limiting-implementationaj-geddesImplement rate limiting, throttling, API quotas, and backpressure mechanisms to protect services from abuse and ensure fair resource usage. Use when building APIs, preventing DOS attacks, or managing system load.react-component-architectureaj-geddesDesign scalable React components using functional components, hooks, composition patterns, and TypeScript. Use when building reusable component libraries and maintainable UI systems.react-native-appaj-geddesBuild cross-platform mobile apps with React Native. Covers navigation with React Navigation, state management with Redux/Context API, API integration, and platform-specific features.reactive-programmingaj-geddesImplement reactive programming patterns using RxJS, streams, observables, and backpressure handling. Use when building event-driven UIs, handling async data streams, or managing complex data flows.real-time-featuresaj-geddesImplement real-time functionality using WebSockets, Server-Sent Events (SSE), or long polling. Use when building chat applications, live dashboards, collaborative editing, notifications, or any feature requiring instant updates.Recommendation Engineaj-geddesBuild recommendation systems using collaborative filtering, content-based filtering, matrix factorization, and neural network approachesRecommendation Systemaj-geddesBuild collaborative and content-based recommendation engines for product recommendations, personalization, and improving user engagementrefactor-legacy-codeaj-geddesModernize and improve legacy codebases while maintaining functionality. Use when you need to refactor old code, reduce technical debt, modernize deprecated patterns, or improve code maintainability without breaking existing behavior.Regression Modelingaj-geddesBuild predictive models using linear regression, polynomial regression, and regularized regression for continuous prediction, trend forecasting, and relationship quantificationrelease-planningaj-geddesPlan, coordinate, and execute software releases across environments. Manage versioning, rollout strategies, rollback procedures, and stakeholder communication for smooth deployments.requirements-gatheringaj-geddesSystematically collect, document, and validate requirements from stakeholders. Ensure clarity, completeness, and agreement before development begins to reduce scope creep and rework.responsive-web-designaj-geddesCreate responsive layouts using CSS Grid, Flexbox, media queries, and mobile-first design. Use when building adaptive interfaces that work across all devices.retrospective-facilitationaj-geddesFacilitate effective retrospectives to capture lessons learned, celebrate successes, and identify actionable improvements for future iterations.risk-assessmentaj-geddesIdentify, analyze, and prioritize project risks using qualitative and quantitative methods. Develop mitigation strategies to minimize impact and maximize project success probability.root-cause-analysisaj-geddesConduct systematic root cause analysis to identify underlying problems. Use structured methodologies to prevent recurring issues and drive improvements.ruby-rails-applicationaj-geddesDevelop Ruby on Rails applications with models, controllers, views, Active Record ORM, authentication, and RESTful routes. Use when building Rails applications, managing database relationships, and implementing MVC architecture.runbook-creationaj-geddesCreate operational runbooks, playbooks, standard operating procedures (SOPs), and incident response guides. Use when documenting operational procedures, on-call guides, or incident response processes.secrets-managementaj-geddesImplement secrets management with HashiCorp Vault, AWS Secrets Manager, or Kubernetes Secrets for secure credential storage and rotation.secrets-rotationaj-geddesImplement automated secrets rotation for API keys, credentials, certificates, and encryption keys. Use when managing secrets lifecycle, compliance requirements, or security hardening.security-audit-loggingaj-geddesImplement comprehensive security audit logging for compliance, forensics, and SIEM integration. Use when building audit trails, compliance logging, or security monitoring systems.security-compliance-auditaj-geddesConduct comprehensive security compliance audits for SOC 2, GDPR, HIPAA, PCI-DSS, and ISO 27001. Use when preparing for certification, annual audits, or compliance validation.security-documentationaj-geddesCreate security policies, guidelines, compliance documentation, and security best practices. Use when documenting security policies, compliance requirements, or security guidelines.security-headers-configurationaj-geddesConfigure HTTP security headers including CSP, HSTS, X-Frame-Options, and XSS protection. Use when hardening web applications against common attacks.security-testingaj-geddesIdentify security vulnerabilities through SAST, DAST, penetration testing, and dependency scanning. Use for security test, vulnerability scanning, OWASP, SQL injection, XSS, CSRF, and penetration testing.semantic-versioningaj-geddesImplement semantic versioning (SemVer) with automated release management. Use conventional commits, semantic-release, and version bumping strategies.Sentiment Analysisaj-geddesClassify text sentiment using NLP techniques, lexicon-based analysis, and machine learning for opinion mining, brand monitoring, and customer feedback analysisserver-side-renderingaj-geddesImplement server-side rendering with template engines, view layers, and dynamic content generation. Use when building server-rendered applications, implementing MVC architectures, and generating HTML on the server.serverless-architectureaj-geddesDesign and implement serverless applications using AWS Lambda, Azure Functions, and GCP Cloud Functions with event-driven patterns and orchestration.service-mesh-implementationaj-geddesImplement service mesh (Istio, Linkerd) for service-to-service communication, traffic management, security, and observability.session-managementaj-geddesImplement secure session management systems with JWT tokens, session storage, token refresh, logout handling, and CSRF protection. Use when managing user authentication state, handling token lifecycle, and securing sessions.spring-boot-applicationaj-geddesBuild enterprise Spring Boot applications with annotations, dependency injection, data persistence, REST controllers, and security. Use when developing Spring applications, managing beans, implementing services, and configuring Spring Boot projects.sql-injection-preventionaj-geddesPrevent SQL injection attacks using prepared statements, parameterized queries, and input validation. Use when building database-driven applications securely.sql-query-optimizationaj-geddesAnalyze and optimize SQL queries for performance. Use when improving slow queries, reducing execution time, or analyzing query performance in PostgreSQL and MySQL.ssl-certificate-managementaj-geddesManage SSL/TLS certificates with automated provisioning, renewal, and monitoring using Let's Encrypt, ACM, or Vault.stakeholder-communicationaj-geddesManage stakeholder expectations and engagement through targeted communication, regular updates, and relationship building. Tailor messaging for different stakeholder groups and priorities.static-code-analysisaj-geddesImplement static code analysis with linters, formatters, and security scanners to catch bugs early. Use when enforcing code standards, detecting security vulnerabilities, or automating code review.Statistical Hypothesis Testingaj-geddesConduct statistical tests including t-tests, chi-square, ANOVA, and p-value analysis for statistical significance, hypothesis validation, and A/B testingstored-proceduresaj-geddesImplement stored procedures and functions for database logic. Use when creating reusable database routines, complex queries, or server-side calculations.