Development

Set up pixel-perfect typography for Radix UI using vite-plugin-capsize-radix. Helps configure fonts, choose pairings, and integrate with your project.

Connect to and analyze a user's health records from their patient portal via SMART on FHIR. Use when the user wants to review medical records, understand lab results, see medications, analyze health trends, identify care gaps, or answer questions about personal health data.

This guide covers how to use the zen component library in your React applications.


Implement comprehensive health check endpoints for liveness, readiness, and dependency monitoring. Use when deploying to Kubernetes, implementing load balancer health checks, or monitoring service availability.

Assigns, validates, and generates code for GPIO pin configurations on Raspberry Pi and ESP32 embedded projects. Activates for queries about GPIO pins, wiring, pin mapping, pin conflicts, I2C, SPI, UART, PWM, 1-Wire, CAN, ADC configuration, device tree overlays, config.txt, sdkconfig, strapping pins, boot pins, flash voltage, or connecting sensors, displays, and modules such as BME280, SSD1306, DHT22, LoRa, GPS, MCP2515, and NeoPixels. Covers Pi 3, Pi 4, Pi 5, Zero 2W, ESP32, ESP32-S2, ESP32-S...

Generate beautiful procedural clouds in Three.js using WebGPU raymarching with WebGL2 billboard/mesh fallbacks. Covers all 10 major cloud genera (cumulus, stratus, cirrus, cumulonimbus, stratocumulus, altocumulus, altostratus, nimbostratus, cirrostratus, cirrocumulus) with physically-inspired lighting including silver linings, god rays, sunset coloring, and Mie/Rayleigh scattering approximation. Provides volumetric raymarching, billboard impostor, and mesh-cluster rendering paths with animate...

Build headless UI hooks that encapsulate data fetching, state management, routing, and mutations without UI rendering. The presenter layer in MVP architecture. Use when: building page-level hooks, creating domain-specific data hooks, separating application concerns from presentation, implementing the presenter layer, composing multiple data sources.

Design components that provide logic and accessibility without prescribing UI styling.

Separating content management from presentation by providing content via APIs, enabling omnichannel delivery and developer flexibility with platforms like Contentful, Strapi, and Sanity.

Use when designing content delivery APIs for headless CMS architectures. Covers REST and GraphQL API patterns, content preview endpoints, localization strategies, pagination, filtering, caching headers, and API versioning for multi-channel content delivery.

Help users navigate tough feedback, performance conversations, and conflict. Use when someone needs to give hard feedback, have a performance conversation, fire someone, address conflict with a colleague, or deliver disappointing news like a denied promotion.

This skill should be used when working with Haskell projects, "cabal.project", "stack.yaml", "ghc", "cabal build/test/run", "stack build/test/run", or Haskell language patterns. Provides comprehensive Haskell ecosystem patterns and best practices.

Enables Claude to manage Hashnode blog posts, engagement, and developer community participation

CRITICAL security skill teaching proper credential and password handling. NEVER store passwords, use bcrypt/argon2, NEVER accept third-party credentials. Use when handling authentication, passwords, API keys, or any sensitive credentials.

Design CLI tools in the style of Mitchell Hashimoto, founder of HashiCorp. Emphasizes consistent command patterns, helpful error messages, progressive disclosure, and machine-readable output. Use when building command-line tools that developers will love.

Building LLM-powered React applications with the Hashbrown library. Use when the user asks to (1) Build generative UI where LLMs render React components, (2) Add client-side tool calling for LLM-app interaction, (3) Stream LLM responses in React applications, (4) Execute LLM-generated JavaScript safely in a sandbox, (5) Build browser agents or AI-powered UIs with hashbrown, (6) Control React UI from LLM output, (7) Integrate with LLM providers like OpenAI, Anthropic, Google, Azure, Bedrock, o...

Calculate cryptographic hashes (MD5, SHA1, SHA256, SHA512) for text and files. Compare hashes, verify integrity, and batch process directories.

Harting industrial connector MPN encoding patterns, series decoding, and handler guidance. Use when working with Harting Han, M12, M8, har-bus, or har-flex connectors.

Testing orchestrator for autonomous harness. Runs comprehensive tests (unit, integration, E2E), coordinates with validation systems, and reports results to Archon. Supports browser automation via Playwright MCP. Use when verifying features, running test suites, or validating code changes.

Multi-perspective review supporting code, plan, and scope analysis. Auto-detects review type from context. Use when user mentions reviews, code review, plan review, scope analysis, security, performance, quality checks, PRs, diffs, or change review. Do NOT load for: implementation work, new feature development, bug fixes, or setup.

Harness MCP (Model Context Protocol) server integration for AI-powered CD operations, pipeline management, Git repositories, pull requests, code review comments, and bidirectional Jira synchronization

Harmonic centrality gadgets with GF(3) conservation for topological transport of ablative case structure via abelian extensions of ℚ

Camera, GPIO, and hardware integration for Raspberry Pi 5. Use for camera testing, hardware diagnostics, GPIO troubleshooting, and sensor issues.