Claude Skills by TerminalSkills

htmx gives you access to AJAX, CSS transitions, WebSockets, and Server-Sent Events directly in HTML using attributes. It enables dynamic web UIs without writing JavaScript by letting any element issue HTTP requests and swap content into the DOM.

Monitor system resources with htop and related tools. Use when a user asks to check CPU/memory usage, find resource-hungry processes, monitor server performance, or diagnose system bottlenecks.

Work with Hugging Face's ecosystem for machine learning — transformers library, model hub, tokenizers, inference pipelines, and fine-tuning. Covers downloading pre-trained models, running inference, training custom models, and publishing to the Hub.

Hunter.io API for finding and verifying corporate email addresses by domain. Use when: finding contact emails for a target domain, discovering email naming patterns, verifying whether an email address is deliverable, or bulk-searching emails for lead generation or OSINT.

Run scripts on Git hooks with Husky. Use when a user asks to run linters before commit, validate commit messages, run tests before push, or set up Git hooks for a team.

Run online login brute-force and password spraying with THC Hydra. Use when a user asks to test the login strength of SSH/FTP/HTTP/SMB/RDP services they own, validate a credential list against a target during an authorized engagement, or run a CTF login brute challenge.

Internationalize JavaScript apps with i18next. Use when adding translations, handling plurals, loading locale files dynamically, or i18n for React/Vue/Node.

Reference for US International Building Code (IBC) occupancy types, construction types, height/area limits, egress requirements, and R-2 residential standards. Use when: generating US-compliant building models, validating building designs against IBC, understanding occupancy classifications and construction types.

Expert guidance for Ibis, the Python dataframe library that provides a pandas-like API but generates SQL for execution on any backend — DuckDB, PostgreSQL, BigQuery, Snowflake, Spark, and more. Helps developers write analytics code once and run it anywhere without rewriting SQL for each database.

Refines raw ideas into sharp, actionable concepts through structured divergent and convergent thinking. Use when you have a vague idea that needs sharpening, want to stress-test a plan, or need to explore variations before committing to a direction. Produces a concrete markdown one-pager with problem statement, assumptions, MVP scope, and trade-offs.

Analyze images to extract colors, composition, mood, and visual elements using Vision AI. Use when: extracting color palettes from images, analyzing design screenshots, understanding visual style of reference images.

Compare two images visually using Vision AI to identify differences, similarities, and changes. Use when: comparing design mockups vs implementation, visual regression testing, identifying what changed between two versions.

Extract text and structured data from images using Vision AI (OCR). Use when: reading text from screenshots, extracting data from scanned documents, converting images of tables/forms/charts to structured text.

You are an expert in ImageMagick, the powerful command-line tool for creating, editing, compositing, and converting images. You help developers automate image processing pipelines using ImageMagick's `convert`, `mogrify`, `composite`, and `identify` commands — batch resizing, format conversion, watermarking, thumbnail generation, PDF manipulation, and complex image compositing for web applications, print production, and data visualization.

Access macOS native data (Messages, Contacts, Reminders, Calendar) via MCP server with iMCP. Use when: building AI assistants that access Apple data, querying contacts/reminders from Claude Desktop, integrating macOS apps with AI agents.

Optimize and transform images with imgix. Use when serving responsive images, implementing image CDN, adding real-time transformations, or optimizing Core Web Vitals with image delivery.

Explore a codebase to find opportunities for architectural improvement, focusing on making the codebase more testable by deepening shallow modules. Use when: user wants to improve architecture, find refactoring opportunities, consolidate tightly-coupled modules, or make a codebase more AI-navigable.

Delivers changes incrementally in thin vertical slices. Use when implementing any feature or change that touches more than one file, when you're about to write a large amount of code at once, or when a task feels too big to land in one step. Each increment leaves the system in a working, testable state.

Manage application secrets and environment variables with Infisical — open-source secrets management platform. Use when someone asks to "manage secrets", "Infisical", "centralize environment variables", "secrets manager", "replace .env files", "rotate API keys", or "sync secrets to CI/CD". Covers secret storage, team sharing, auto-rotation, CI/CD injection, and Kubernetes integration.

Set up and manage InfluxDB for time-series data storage, querying, and analysis. Use when a user needs to configure InfluxDB buckets, write Flux queries, set up retention policies, create tasks for data downsampling, or build dashboards for time-series metrics.

You are an expert in Inngest, the event-driven durable workflow engine for TypeScript. You help developers build reliable multi-step workflows, scheduled jobs, and event-driven functions with automatic retries, step-level caching, fan-out/fan-in patterns, rate limiting, and debouncing — running on any serverless platform (Vercel, Netlify, AWS Lambda, Cloudflare) with zero infrastructure to manage.

Build interactive CLI prompts with Inquirer.js. Use when creating interactive terminal UIs, multi-step wizards, form-like CLI inputs, or configuration generators with user input.

Create, optimize, and automate Instagram content including Reels, Stories, carousels, and feed posts. Use when someone asks to "grow on Instagram", "create Instagram Reels", "Instagram content strategy", "Instagram API integration", "automate Instagram posting", "Instagram analytics", or "Instagram marketing". Covers Reels-first strategy, visual content guidelines, Instagram Graph API, and growth tactics.

You are an expert in Instructor, the library for getting structured, validated output from LLMs. You help developers extract typed data from unstructured text using Pydantic models (Python) or Zod schemas (TypeScript), with automatic retries on validation failures, streaming partial objects, and support for OpenAI, Anthropic, Google, and local models — turning LLMs into reliable data extraction engines.

Add customer messaging and support with Intercom. Use when a user asks to add in-app messaging, build a help center, set up customer onboarding flows, create product tours, or implement a support ticketing system.

Expert guidance for Ionic, the open-source framework for building cross-platform mobile, desktop, and progressive web apps using web technologies (HTML, CSS, JavaScript/TypeScript). Helps developers build apps with Ionic's UI components, integrate with native device APIs via Capacitor, and deploy to iOS, Android, and web from a single codebase.

AI agent for building, running, and debugging iOS apps on simulator via XcodeBuildMCP. Use when: running iOS apps, inspecting simulator UI, capturing logs, or diagnosing runtime behavior.

Store and retrieve files on IPFS (InterPlanetary File System). Use when a user asks to store files in a decentralized way, pin content on IPFS, upload NFT metadata, or use content-addressed storage.

Configure Linux firewall with iptables/nftables. Use when a user asks to set up a firewall, block ports, allow specific traffic, configure NAT, or secure a Linux server network.

Manage encrypted sessions in Next.js with iron-session. Use for session auth, encrypted cookies, or stateless sessions without a database.

Istio service mesh for Kubernetes traffic management, security, and observability. Use when the user needs to configure traffic routing, mTLS, circuit breaking, fault injection, or observability for microservices.

Deploy and use Jaeger for distributed tracing across microservices. Use when a user needs to set up trace collection, instrument applications with OpenTelemetry, analyze trace data to find latency bottlenecks, or configure Jaeger storage backends and sampling strategies.

Builds and manages Jenkins CI/CD pipelines. Use when the user wants to write Jenkinsfiles, configure declarative or scripted pipelines, set up multibranch pipelines, manage Jenkins agents and nodes, configure shared libraries, integrate with Docker/Kubernetes/cloud providers, set up webhooks and triggers, manage credentials and secrets, or troubleshoot build failures. Trigger words: jenkins, jenkinsfile, jenkins pipeline, jenkins agent, jenkins node, jenkins shared library, jenkins docker, je...

Jest is a comprehensive JavaScript testing framework built by Meta, designed for zero-configuration testing of JavaScript and TypeScript applications. It provides a complete ecosystem for unit testing, integration testing, and snapshot testing with built-in code coverage, mocking capabilities, and parallel test execution. Jest works seamlessly with React, Node.js, Angular, Vue, and virtually any JavaScript project, making it the most widely adopted testing framework in the ecosystem.

Manage projects, issues, and workflows with Jira Cloud. Use when a user asks to set up Jira projects, create and manage issues, configure workflows, build Jira integrations, automate issue transitions, set up boards (Scrum/Kanban), manage sprints, use Jira REST API v3, create webhooks, build custom JQL queries, configure permissions and schemes, set up automation rules, or integrate Jira with CI/CD pipelines. Covers project administration, issue tracking, agile boards, API automation, and Atl...

Create compelling job postings with requirements, responsibilities, and qualifications. Use when a user asks to write a job description, create a job posting, draft a job listing, build a role specification, define job requirements, or compose a hiring ad for a position.

Build job queues and background worker systems using BullMQ, Celery, or Sidekiq. Use when you need to offload slow tasks from request handlers — email sending, PDF generation, image processing, data exports, or any work that takes more than a few hundred milliseconds. Covers job priorities, concurrency control, scheduled jobs, progress tracking, and graceful shutdown. Trigger words: background job, worker, queue, async task, BullMQ, Celery, cron job, scheduled task, job retry.

Crack password hashes offline with John the Ripper. Use when a user asks to identify an unknown hash format, recover a forgotten password from a local database or ZIP file, run a CTF hash challenge, or audit the strength of hashes from a system they own.

You are an expert in Jotai, the primitive and flexible state management library for React based on atomic state. You help developers build React applications with fine-grained reactivity using atoms (state primitives), derived atoms (computed values), async atoms (data fetching), and atom families — providing bottom-up state management where only components subscribing to changed atoms re-render.

Assists with interactive data analysis, visualization, and reproducible research using Jupyter notebooks. Use when building notebooks that combine code with rich output, managing kernels, converting to reports, or parameterizing notebooks for batch execution. Trigger words: jupyter, notebook, jupyterlab, ipynb, nbconvert, papermill.

Run project commands with just (a modern make alternative). Use when a user asks to define project commands, replace Makefile, create a command runner, or standardize dev scripts.

When the user needs to generate, validate, refresh, or debug JSON Web Tokens. Use when the user mentions "JWT," "access token," "refresh token," "token rotation," "token expiration," "token validation," "bearer token," or "decode JWT." Handles secure token lifecycle including signing, verification, refresh rotation, and revocation. For full auth system design, see auth-system-setup.

When the user wants to perform load testing, stress testing, or performance testing of APIs and websites using k6. Also use when the user mentions "k6," "load test," "performance test," "stress test," "spike test," "soak test," "thresholds," "virtual users," or "VUs." For browser-based testing, see selenium.

Analyzes Kubernetes cluster resource allocation versus actual usage to find waste and generate right-sizing recommendations. Use when someone asks about Kubernetes costs, overprovisioned pods, resource requests/limits tuning, cluster efficiency, or cloud bill reduction for K8s workloads. Trigger words: k8s costs, pod resources, right-size, overprovisioned, resource waste, cluster optimization, CPU/memory requests.

You are an expert in Kaboom.js (now maintained as Kaplay), the beginner-friendly game library for making browser games quickly. You help developers build games using Kaboom's component-based entity system, built-in physics, sprite loading, scene management, and event system — where games can be built in under 100 lines of code while still supporting complex gameplay through composable components.

Build event-driven systems with Apache Kafka. Use when a user asks to set up message streaming, implement event sourcing, build pub/sub systems, process real-time data streams, or connect microservices with async messaging.

Use Kali Linux for authorized penetration testing, security research, and CTF work. Use when a user asks about installing Kali, setting up a pentest lab, picking tools from the Kali toolchain, using Kali in WSL/Docker/VM, or updating the distribution.

Deploy web applications to any server with Kamal — zero-downtime Docker deployments without Kubernetes. Use when someone asks to "deploy to a VPS", "deploy without Kubernetes", "Kamal deploy", "simple Docker deployment", "deploy Rails/Node/Python to a server", "zero-downtime deployment to bare metal", or "replace Heroku with a VPS". Covers Docker-based deployment, zero downtime with Traefik, multi-server, secrets, and accessory services.

You are an expert in Keycloak, the open-source identity and access management solution by Red Hat. You help teams implement single sign-on (SSO), OAuth 2.0, OpenID Connect, SAML 2.0, user federation (LDAP/Active Directory), social login, multi-factor authentication, and fine-grained authorization — providing enterprise-grade identity management that can be self-hosted and customized.

Expert guidance for KeystoneJS, the open-source headless CMS and application platform built on Node.js, GraphQL, and Prisma. Helps developers define content schemas, build admin interfaces, implement access control, and create custom GraphQL APIs for content-driven applications.