Claude Skills by NeverSight

Docker Compose for multi-container local development and production stacks. Use when user mentions "docker-compose", "docker compose", "multi-container", "compose file", "services", "docker networking", "compose volumes", "dev environment setup", or orchestrating multiple containers locally.

Docker and Docker Compose mastery for containers, images, networks, volumes, and debugging. Use when user asks to "build a container", "run docker", "debug container", "write dockerfile", "docker compose up", "check container logs", "optimize docker image", or any container operations.

Dotfile management with stow, chezmoi, or git bare repo for configuration sync across machines. Use when user asks to "manage dotfiles", "sync configs", "setup dotfiles", "backup shell config", or organize configuration files.

Debug environment issues with PATH, permissions, environment variables, and configuration problems. Use when user asks to "fix PATH", "command not found", "permission denied", "debug environment", "env vars not working", "fix shell config", "debug node/python not found", or any environment troubleshooting tasks.

Error handling patterns, strategies, and implementation. Use when user asks to "handle errors", "add error handling", "create custom errors", "handle exceptions", "implement retry logic", "add error boundaries", "design error responses", "handle async errors", "create error types", "implement graceful degradation", "error recovery", "fallback strategies", "exponential backoff", "timeout handling", "error logging", "error monitoring", or mentions error handling patterns, exception handling, er...

Feature flag implementation, management, and best practices for gradual rollouts. Use when user mentions "feature flag", "feature toggle", "feature gate", "canary release", "percentage rollout", "A/B testing", "LaunchDarkly", "Unleash", "Flagsmith", "gradual rollout", "kill switch", "dark launch", "trunk-based development with flags", or controlling feature visibility in production.

FFmpeg commands for video/audio conversion, trimming, compression, and processing. Use when user mentions "ffmpeg", "convert video", "compress video", "extract audio", "trim video", "gif from video", "video codec", "transcode", "screen recording", "merge videos", "video to mp4", "reduce file size", or any media processing task.

GitHub CLI (gh) mastery for issues, PRs, releases, actions, gists, and repo management. Use when user asks to "create a PR", "list issues", "check CI status", "create a release", "view workflow runs", "create a gist", "clone a repo", "fork a repo", or any GitHub operations from the command line.

Advanced Git operations including rebase, cherry-pick, bisect, reflog, and recovery. Use when user asks to "rebase branch", "cherry-pick commit", "find bug with bisect", "recover lost commit", "squash commits", "fix git history", "interactive rebase", or any advanced git tasks.

Git hooks setup with pre-commit, husky, and lint-staged for automated code quality. Use when user asks to "setup pre-commit hooks", "add husky", "lint on commit", "format before commit", "run tests on push", "setup git hooks", or automate code quality checks.

Git worktrees for working on multiple branches simultaneously without stashing or cloning. Use when user mentions "git worktree", "multiple branches", "work on two branches", "parallel branches", "switch branches without stashing", "worktree", "isolated branch work", needing to work on a hotfix while a feature is in progress, "bare repo worktree", "dotfiles bare repo", "worktree vs stash", "worktree vs clone", "orphaned worktree", or "worktree prune".

GitHub Actions CI/CD mastery for workflows, matrix builds, caching, secrets, and reusable actions. Use when user asks to "set up CI", "create a workflow", "add GitHub Actions", "matrix builds", "cache dependencies", "deploy with actions", "reusable workflows", or any CI/CD pipeline tasks.

GraphQL schema design, queries, mutations, and tooling. Use when user asks to "write a GraphQL schema", "create a query", "add a mutation", "set up Apollo", "GraphQL resolver", "type definitions", or any GraphQL tasks.

gRPC and Protocol Buffers for service-to-service communication. Use when user mentions "grpc", "protobuf", "protocol buffers", ".proto", "grpcurl", "service definition", "RPC", "streaming", "buf", "protoc", or building gRPC services.

htmx for building dynamic web UIs with HTML-over-the-wire. Use when user mentions "htmx", "hx-get", "hx-post", "hx-swap", "hx-trigger", "hypermedia", "HTML over the wire", "server-driven UI", "no JavaScript framework", "htmx boost", "progressive enhancement", "hyperscript", "alpine.js with htmx", or building interactive web pages without heavy JavaScript frameworks.

JavaScript/TypeScript testing with Jest and Vitest. Use when user asks to "write JS tests", "add unit tests", "test React component", "mock a module", "snapshot testing", "test async code", "set up Jest", "migrate to Vitest", or any JS/TS testing tasks.

k6 for load testing, performance testing, and API stress testing. Use when user mentions "k6", "load testing", "stress testing", "performance testing", "API load test", "concurrent users", "ramp up", "throughput testing", "soak test", "spike test", or testing how an application handles traffic.

Kubernetes and kubectl mastery for deployments, services, pods, debugging, and cluster management. Use when user asks to "deploy to k8s", "create deployment", "debug pod", "kubectl commands", "scale service", "check pod logs", "create ingress", or any Kubernetes tasks.

Linting and formatting setup with ESLint, Prettier, Ruff, Black, and EditorConfig. Use when user asks to "set up linting", "configure ESLint", "add Prettier", "format code", "set up Ruff", "fix lint errors", "add editorconfig", or any code quality tooling tasks.

This skill should be used when the user asks to "load test an API", "stress test the server", "benchmark this endpoint", "run performance tests", "create k6 script", "set up artillery test", "measure API throughput", "test under load", "find breaking point", "simulate concurrent users", or mentions load testing, stress testing, performance testing, benchmarking, throughput testing, k6, artillery, or JMeter.

Logging setup, structured logging, and log management. Use when user asks to "add logging", "set up structured logging", "configure log levels", "create a logger", "set up log rotation", "send logs to ELK", "configure Winston", "set up Pino", "add request logging", "implement audit logging", "log formatting", "log correlation", "debug logging", "log sampling", "log filtering", or mentions logging best practices, structured logging, log aggregation, log levels, observability, log rotation, or ...

Makefile patterns for project automation and build tasks. Use when user asks to "create Makefile", "add make target", "automate with make", "build commands", or set up project automation with GNU Make.

Markdown syntax, formatting, and document authoring for docs, READMEs, and technical writing. Use when user mentions "markdown", "write README", "format markdown", "markdown table", "markdown links", "GFM", "GitHub flavored markdown", "markdown linting", "MDX", "markdown to HTML", "table of contents", "markdown badges", "markdown checklist", or authoring documentation in markdown.

Model Context Protocol (MCP) server setup and integration for Claude and AI agents. Use when user asks to "setup MCP", "configure MCP server", "add MCP tools", "connect to MCP", "create MCP server", or integrate external tools via MCP protocol.

Microservices architecture patterns and design. Use when user asks to "design microservices", "service decomposition", "API gateway", "distributed transactions", "circuit breaker", "service mesh", "event-driven architecture", "saga pattern", "service discovery", or mentions microservices design patterns and distributed systems.

MongoDB queries, aggregation, indexing, and administration. Use when user mentions "mongodb", "mongo", "mongosh", "mongoose", "nosql", "document database", "mongodb atlas", "aggregation pipeline", "mongodb query", "collection", "mongodb index", "replica set", "mongodb backup", "mongodump", or working with MongoDB databases.

Observability patterns and monitoring best practices. Use when user asks to "set up monitoring", "structured logging", "distributed tracing", "metrics collection", "observability", "APM setup", "log aggregation", "metrics dashboards", "error tracking", "performance monitoring", or mentions observability stack and monitoring strategy.

Next.js patterns for routing, data fetching, server components, and deployment. Use when user mentions "next.js", "nextjs", "app router", "pages router", "server components", "server actions", "next/image", "next/link", "getServerSideProps", "getStaticProps", "middleware", or building React applications with Next.js.

Nginx web server configuration for reverse proxy, SSL/TLS, load balancing, static hosting, caching, and security hardening. Use when user asks to "configure nginx", "set up reverse proxy", "add SSL", "nginx location block", "load balancer config", "serve static files", "nginx rate limiting", "nginx caching", "nginx security headers", "nginx gzip", "nginx docker", "fix 502 bad gateway", "fix 413 entity too large", "nginx rewrite", "nginx redirect", "nginx access control", "nginx logging", "ngi...

npm, yarn, and pnpm package management, scripts, workspaces, and publishing. Use when user asks to "run npm script", "setup package.json", "publish package", "manage dependencies", "npm workspaces", "monorepo setup", "npm audit", "lock file", "npmrc config", "npm registry", "debug npm script", "npx", "cross-platform script", or package manager operations.

Command-line one-liners for file manipulation, text processing, system administration, and quick automation. Use when user mentions "one-liner", "quick command", "bash one-liner", "command line trick", "shell trick", "pipe chain", "quick script", "inline command", "find and replace all files", "bulk rename", "process log files", "count lines", "disk usage", or needs a single-line shell command to solve a problem fast.

OpenSSL commands for certificates, TLS debugging, and encryption. Use when user mentions "openssl", "ssl certificate", "tls", "self-signed cert", "certificate chain", "CSR", "private key", "cert expiry", "https debugging", "mTLS", "certificate authority", or any certificate/encryption task.

OpenTelemetry for distributed tracing, metrics, and logging in production systems. Use when user mentions "opentelemetry", "otel", "distributed tracing", "traces", "spans", "metrics collection", "observability", "jaeger", "prometheus", "grafana", "OTLP", "instrumentation", or setting up application monitoring.

Playwright for end-to-end testing, browser automation, and web scraping. Use when user mentions "playwright", "e2e testing", "end to end test", "browser testing", "browser automation", "web scraping", "headless browser", "cross-browser testing", "page.goto", "locator", or automating browser interactions.

pnpm package manager for fast, disk-efficient dependency management and workspaces. Use when user mentions "pnpm", "pnpm install", "pnpm workspace", "pnpm-workspace.yaml", "pnpm add", "pnpm store", "pnpm dlx", "content-addressable store", or managing Node.js packages with pnpm.

Find what's using a port, kill stuck processes, and manage system resources. Use when user mentions "port in use", "what's on port", "kill process", "lsof", "address already in use", "EADDRINUSE", "zombie process", "process management", "find PID", "free up port", "htop", "resource usage", or debugging port/process issues.

Prisma ORM for database access, schema design, migrations, and queries in TypeScript/JavaScript. Use when user mentions "prisma", "prisma schema", "prisma migrate", "prisma client", "prisma studio", "database ORM", "type-safe database", "prisma seed", or any Prisma-related task.

Python testing mastery with pytest, fixtures, parametrize, mocking, and coverage. Use when user asks to "write tests", "add pytest fixtures", "mock a function", "parametrize tests", "run coverage", "debug failing test", "set up conftest", or any Python testing tasks.

Python environment management with venv, Poetry, Pipenv, pyenv, and conda. Use when user asks to "create virtual environment", "set up Poetry", "manage Python versions", "fix pip issues", "install dependencies", "create requirements.txt", or any Python environment tasks.

Redis mastery for caching, data structures, pub/sub, and CLI operations. Use when user asks to "set up Redis", "cache data", "redis commands", "pub/sub", "redis data types", "session store", "rate limiting with Redis", or any Redis tasks.

Regular expression mastery with syntax, common patterns, and language-specific usage. Use when user asks to "write a regex", "match pattern", "validate email", "extract data with regex", "parse string", "regex for phone number", or any regular expression tasks.

This skill should be used when the user asks to "scan for secrets", "find API keys", "detect credentials", "check for hardcoded passwords", "find leaked tokens", "scan for sensitive keys", "check git history for secrets", "audit repository for credentials", or mentions secret detection, credential scanning, API key exposure, token leakage, password detection, or security key auditing.

Security hardening and secure coding practices. Use when user asks to "harden security", "secure coding", "OWASP vulnerabilities", "input validation", "sanitization", "SQL injection prevention", "XSS protection", "CORS security", "secure headers", "vulnerability scanning", or mentions security best practices and threat mitigation.

Text processing with sed and awk — find-and-replace, column extraction, reformatting, and stream editing. Use when user mentions "sed", "awk", "text processing", "find and replace in files", "column extraction", "stream editing", "text transformation", "reformat output", or processing text from command-line output.

Shell scripting and bash automation. Use when user asks to "write a bash script", "create a shell script", "parse command line args", "write a deploy script", "automate with bash", "process files with bash", "create an install script", "write a backup script", "handle signals in bash", "parse CSV in bash", "error handling in bash", "functions in bash", "arrays in bash", "string manipulation", "loop patterns", or mentions shell scripting, bash scripting, POSIX shell, script automation, bash be...

Database migration mastery with Prisma, Drizzle, Knex, TypeORM, Alembic, Flyway, and golang-migrate. Use when user asks to "create a migration", "update database schema", "add a column", "remove a column", "rename a table", "set up Prisma", "rollback migration", "write SQL migration", "set up Drizzle", "zero-downtime migration", "backfill data", "squash migrations", "seed database", "migrate production", or any database schema change tasks.

SQLite database commands, queries, and embedded database patterns. Use when user mentions "sqlite", "sqlite3", "embedded database", "local database", "lightweight db", "sqlite schema", "sqlite backup", "mobile database", or working with .db/.sqlite files.

SSH key management, config file setup, tunnels, and jump hosts. Use when user asks to "setup SSH keys", "configure SSH", "create SSH tunnel", "add SSH host", "jump host", "port forwarding", or manage SSH connections.

Stripe integration for payments, subscriptions, and checkout. Use when user mentions "stripe", "payment processing", "checkout", "subscriptions", "stripe webhooks", "payment intent", "stripe CLI", "billing", "stripe elements", or integrating payments into an application.

Supabase for database, auth, storage, and realtime features. Use when user mentions "supabase", "supabase auth", "supabase storage", "supabase realtime", "supabase edge functions", "postgres with supabase", "row level security", "RLS", "supabase client", or building apps with Supabase as the backend.