Languages & Frameworks for Claude Code

Telnyx WebRTC — browser-based real-time communications, video rooms, WebRTC client SDKs

Modern R development skills for tidyverse, rlang, Bayesian analysis, performance, and more

Reddit API на shell-скриптах: пользователи, сабреддиты, посты, комментарии, поиск, write с двойным предохранителем

Essential Elixir and Phoenix LiveView development guide with enforced skills, hooks, and patterns for idiomatic code

nteract notebooks (nightly channel) in Claude Code.

nteract notebooks in Claude Code.

Skill: Spectrum design tokens and component schemas, zero config. Uses the embedded Spectrum snapshot via the design-data CLI.

An orchestrating agent that collaboratively helps ML engineers apply group theory and symmetry principles to neural network design. Guides users through symmetry discovery, validation, group identification, equivariant architecture design, and model verification. Use when user mentions symmetry, invariance, equivariance, group theory in ML, or geometric deep learning.

Claude Essentials - Complete development toolkit with 1 command, 18 skills, and 4 agents unified under ce namespace

Migrate a WordPress site (WXR export + uploads) to a Hugo static site on GitHub Pages — preserves /archives/<id>/ URLs, localizes images, deploys via GitHub Actions.

Build UiPath Studio projects, REFramework scaffolds, XAML workflows, and VB/C# expressions via 104 deterministic Python generators. Trigger keywords: UiPath, REFramework, XAML, RPA, Orchestrator, dispatcher, performer, queue items, project.json, Config.xlsx.

BPX plugin for Unreal Engine asset inspection and safe edit workflows.

Help coding agents integrate with the Shuriken trading platform via its API, SDK, and CLI.

14 Apple HIG skills (foundations, platforms, patterns, inputs, technologies, and 8 component categories) plus an MCP server (hig_list_skills / hig_lookup / hig_audit) and a Bun-based CLI auditor that detects 348 HIG patterns across SwiftUI, UIKit, React, Vue, Svelte, Angular, Compose, Flutter, and React Native.

Build and deploy Base44 full-stack apps with CLI project management and JavaScript/TypeScript SDK development skills

A full Wolfram Language development environment with code evaluation, documentation search, symbol inspection, static analysis, and test execution.

Design and build database schema — tables, columns, types, indexes, constraints, relationships. Given a domain description, output the schema and write the files. Use when asked to "design schema", "database design", "create tables", or "data model".

Build production-grade infrastructure as code for a service or project. Use when asked to "set up infra", "provision infrastructure", "create cloud resources", "IaC for this project", "terraform for this", or "deploy this service".

|

Implement a reusable, accessible, typed component from a design spec. Use when asked to "create a component", "build a widget", "implement this design", or "reusable UI element".

|

Implement a complete UI screen or feature from a Form visual spec. Use when asked to "build a page", "implement this screen", "build the frontend for this feature", or "create this UI".

Backend engineer — APIs, system design, performance, distributed systems

Design and spec an API — endpoints, request/response shapes, error codes, auth pattern, pagination. Applies Stripe's consistency principles. Use when asked to "design an API", "build API endpoints", "create REST API", or "API for this feature".

Build a new production-ready service from scratch — config management, health checks, graceful shutdown, structured logging. Use when asked to "new service", "scaffold a backend", "bootstrap service", or "create microservice".

Infrastructure Specialist Team — Terra: Terraform and IaC — module design, state management, drift detection, and IaC best practices

Terra skill: terra-module

Mobile engineer — native iOS/Android, cross-platform, app stores, mobile performance

Produce a complete mobile app architecture design — platform choice, navigation structure, state management, data layer, key screens. Use when asked to "build a mobile app", "new app", "create iOS/Android app", "app architecture", or "cross-platform app".

Embedded & IoT engineer — firmware, microcontrollers, edge computing, device protocols

Build a device driver or protocol handler — I2C sensors, BLE services, MQTT clients, SPI peripherals with interrupt-driven I/O and clean HAL abstraction. Use when asked to "write a driver", "I2C device", "BLE service", "MQTT client", or "sensor integration".

Produce a complete firmware architecture spec for a described device — layer diagram, module responsibilities, HAL interface definitions, key state machines, RTOS decision. Use when asked to "design firmware architecture", "plan embedded firmware", "architect an IoT device", "how should I structure this firmware", or given a device description and asked what the firmware should look like.

The complete content of the Swift Concurrency Migration Guide.