Claude Code Skills·Claude Skills·The open SKILL.md registry for Claude
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Claude Engineering Skills (Page 134 of 331)

Code review, refactoring, testing, DevOps, CI/CD, databases, cloud platforms, and full-stack development skills for Claude Code.

19,830 skills · updated 2026-06-17 · showing 7981–8040 of 19,830 by quality score

Sub-topics:Testing (2,893)Devops (2,856)Architecture (2,179)Backend (1,686)Frontend (1,288)Languages (1,058)Code Quality (988)Cloud Platforms (926)

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Use BEFORE generating, refactoring, reviewing, or debugging code. Trigger phrases include "write a function/script/class for X", "review this code/diff/PR", "refactor this",…
Use BEFORE answering analytical, diagnostic, planning, or multi-step reasoning questions. Trigger phrases include "should I X or Y", "why is X happening", "what's the bes — from…
Use when building EKS clusters. Generates complete, production-ready Terraform projects with optional ArgoCD GitOps integration.
Install, configure, and troubleshoot the EKS MCP Server connection in your AI assistant (Claude Code, Cursor, Kiro).
Run a structured EKS operational excellence assessment against a live cluster. Covers 10 areas — networking, autoscaling, observability, access & identity, add-ons, workload…
EKS cluster patterns and best practices for Terraform. Provides cluster, node group, add-on, and IRSA scaffolds. Use when developing EKS infrastructure.
Use whenever someone is designing or building an Internal Developer Platform (IDP) or doing platform engineering on Amazon EKS — phrased as "build a developer platform",…
Queries Elastic APM transaction data through the Elasticsearch REST API to surface latency anomalies and throughput drops.
Deploy to AWS Elastic Beanstalk. Triggers on: elastic beanstalk, EB, managed EC2 platform, web app with managed patching, worker on EC2, Heroku alternative, don't want to manage…
Use when deploying Node.js applications to AWS Elastic Beanstalk or troubleshooting deployment issues - provides dependency installation strategies, monorepo handling, and…
ElasticPress supercharges WordPress search and queries by integrating Elasticsearch, enabling fast content relevancy analysis, faceted search, WooCommerce product filtering, and…
Elasticsearch expert for queries, mappings, aggregations, index management, and cluster operations
Enable, configure, and query Elasticsearch security audit logs. Use when the task involves audit logging setup, event filtering, or investigating security incidents like failed…
Polls Elasticsearch _cluster/health, _nodes/stats, and _cat/shards APIs to detect node drops, unassigned shards, and JVM heap pressure.
Recherche et analyse avec Elasticsearch et la stack ELK. Se déclenche avec "Elasticsearch", "Elastic", "Kibana", "full-text search", "recherche plein texte", "ELK — from…
Elasticsearch Index Manager - Auto-activating skill for DevOps Advanced. Triggers on: elasticsearch index manager, elasticsearch index manager Part of the DevOps Advanced skill…
Elasticsearch 5.2 operations using HTTP API - searching, indexing, bulk operations, scroll API, and alias management
Elasticsearch MCP is built around Elasticsearch search and analytics engine. The underlying ecosystem is represented by elastic/elasticsearch (76,387+ GitHub stars).
ElectricSQL is a read-path sync engine for PostgreSQL that handles partial replication, data delivery, and fan-out.
Use when building an Electrobun app for distribution, setting up code signing, understanding platform-specific build requirements, or diagnosing build failures.
The complete electrobun.config.ts field reference. Use when editing config, looking up a specific option, understanding defaults, or configuring platform-specific behaviour.
Use when running Electrobun in development mode — electrobun dev, --watch flag, hot reload, CEF devtools, debugging the renderer, or understanding the dev build cycle.
Use when writing Electrobun tests, adding test coverage to the Kitchen Sink, implementing the defineTest() pattern, generating new test suites, understanding what the kitchen sink…
Ship updates to installed Electron apps — autoUpdater / electron-updater, update feeds (S3/GitHub/generic), signed differential updates, and staged rollouts with rollback.
Generate and validate electron-builder configuration for multi-platform desktop builds with code signing, auto-update, and platform-specific packaging
Electron desktop application development with React, TypeScript, and Vite. Use when building desktop apps, implementing IPC communication, managing windows/tray, handling PTY…
Master Electron desktop app development with secure IPC, contextIsolation, preload scripts, multi-process architecture, electron-builder packaging, code signing, and auto-update.
Generate mocks for Electron APIs (ipcMain, ipcRenderer, dialog, etc.) for unit testing
Validate Electron desktop app UI using Playwright automation via the e-cli tool. Use when testing Electron app UI, validating after code changes, checking if tabs render, clicking…
Generate system tray and context menu configurations with platform-specific icons, menu templates, and event handling
Guides clean architecture design with strict 200-line file limits. Use when starting new features, refactoring large files, or planning module structure.
Elevate projects to production quality using proven patterns. Use when starting a project, reviewing architecture, auditing code, or when user mentions "elevate-code", "production…
Configure CI/CD pipelines for ElevenLabs with mocked unit tests and gated integration tests. Use when setting up GitHub Actions for TTS projects, configuring CI test strategies,…
Diagnose and fix ElevenLabs API errors by HTTP status code. Use when encountering ElevenLabs errors, debugging failed TTS/STS requests, or troubleshooting voice cloning and…
Optimize ElevenLabs costs through model selection, character-efficient patterns, caching, and usage monitoring with budget alerts.
Collect ElevenLabs debug evidence for support tickets and troubleshooting. Use when encountering persistent issues, preparing support tickets, or collecting diagnostic information…
Deploy ElevenLabs TTS applications to Vercel, Fly.io, and Cloud Run. Use when deploying ElevenLabs-powered apps to production, configuring platform-specific secrets, or setting up…
Generate your first ElevenLabs text-to-speech audio file. Use when starting a new ElevenLabs integration, testing your setup, or learning basic TTS API patterns.
Configure local ElevenLabs development with mocking, hot reload, and audio testing. Use when setting up a dev environment for TTS/voice projects, configuring test workflows, or…
Optimize ElevenLabs TTS latency with model selection, streaming, caching, and audio format tuning. Use when experiencing slow TTS responses, implementing real-time voice features,…
Execute ElevenLabs production deployment checklist with health checks and rollback. Use when deploying TTS/voice integrations to production, preparing for launch, or implementing…
Implement ElevenLabs rate limiting, concurrency queuing, and backoff patterns. Use when handling 429 errors, implementing retry logic, or managing concurrent TTS request…
Implement ElevenLabs reference architecture for production TTS/voice applications. Use when designing new ElevenLabs integrations, reviewing project structure, or building a…
Use when adding audio to a game — SFX generation, adaptive music, voice acting, and audio state machine integration.
Upgrade ElevenLabs SDK versions and migrate between API model generations. Use when upgrading the elevenlabs-js or elevenlabs Python SDK, migrating from v1 to v2 models, or…
Use when editing, debugging, or reasoning about code under `lang/src/com/vanillasource/eliot/eliotc/monomorphize/` — the NbE (Normalisation by Evaluation) type checker for Eliot.
Emacs Lisp development best practices including file templates, project structure, testing, and coding style. Use when writing Emacs Lisp packages or configuration.
Reviews Elixir code for idiomatic patterns, OTP basics, and documentation. Use when reviewing .ex/.exs files, checking pattern matching, GenServer usage, or module documentation.
Run comprehensive Elixir quality checks (format, credo, dialyzer, tests) with proper error handling and reporting.
MANDATORY systematic debugging - trace to root cause before proposing fixes. NO random changes, NO symptom fixes, NO "try this". Use when debugging ANY error or issue.
MANDATORY for ANY feature or bugfix - write ExUnit test FIRST, watch it FAIL, then implement. NO exceptions. Use before writing any Elixir production code.
Run ExUnit tests with smart filtering, debugging options, and proper error reporting. Use when running tests, debugging failures, or validating specific test cases.
ExUnit testing patterns, Mox for mocking, StreamData for property-based testing, and Phoenix test cases for Elixir applications.
Use when building or changing an elizaOS-based application in this repository. Covers eliza app architecture, monorepo layout, local versus remote versus cloud routing, where to…
Use when the task involves Eliza Cloud or elizaOS Cloud as a managed backend, app platform, deployment target, billing layer, or monetization surface.
Use whenever a user wants to register or buy a custom domain for an Eliza Cloud app — including in the same request as building the app (\"build me X and put it on Y.com\").
Use when the task involves elizaOS core runtime concepts, plugins, actions, providers, evaluators, services, memories, state composition, or upstream elizaOS development.
Expert ElizaOS plugin and agent development (January 2026). Use when (1) Building ElizaOS plugins, (2) Creating AI agent characters, (3) Implementing actions, providers,…
Comprehensive Elm functional programming for web development including The Elm Architecture, type system, JavaScript interop, and production-ready patterns
Specialized Elm-to-F# migration expert for morphir-dotnet. Expert in converting Elm code from finos/morphir-elm to idiomatic F# while maintaining AOT compatibility, type safety,…
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