skill▌

Skills are modular packages that extend Claude's capabilities by providing specialized knowledge, workflows, and tools.

Security-first vetting protocol for AI agent skills. Never install a skill without vetting it first.

Guidance for creating effective, discoverable skills for Claude Code plugins with progressive disclosure and strong triggering. \n \n Create skills in the plugin's skills/ directory with SKILL.md (required) and optional references/ , examples/ , and scripts/ subdirectories for progressive context loading \n Write frontmatter descriptions in third person with specific trigger phrases users would say (e.g., \"This skill should be used when the user asks to 'create a hook', 'validate tool use'...\"

Comprehensive Terraform and OpenTofu guidance covering testing, modules, CI/CD, and production patterns. Based on terraform-best-practices.com and enterprise experience.

This skill provides guidance for creating sophisticated, interactive data visualisations using d3.js. D3.js (Data-Driven Documents) excels at binding data to DOM elements and applying data-driven transformations to create custom, publication-quality visualisations with precise control over every visual element. The techniques work across any JavaScript environment, including vanilla JavaScript, React, Vue, Svelte, and other frameworks.

Security gate that scans skills for malicious code, vulnerabilities, and suspicious patterns before installation. \n \n Runs four integrated scanners: aguara (prompt injection detection), skill-analyzer (malicious patterns and CVE database), secrets-scan (hardcoded credentials), and structure-check (malformed files and dangerous configurations) \n Accepts ClawHub skill names, GitHub URLs, or local paths as input and returns a three-tier verdict: BLOCKED (critical/high findings), REVIEW (medium f

Scaffold and implement authentication in TypeScript/JavaScript apps with Better Auth framework detection, database adapter setup, and OAuth integration. \n \n Detects frameworks (Next.js, SvelteKit, Nuxt, Astro, Express, Hono), databases (Prisma, Drizzle, MongoDB, raw drivers), and existing auth libraries through project scanning \n Supports email/password, OAuth (Google, GitHub, Apple, Microsoft, Discord, Twitter), magic links, passkeys, and phone authentication with configurable email verifica

Expert SwiftUI code review, refactoring, and implementation guidance with iOS 26+ and macOS support. \n \n Covers state management, view composition, performance optimization, and modern SwiftUI patterns across iOS 15+ through iOS 26+ \n Flags deprecated APIs and suggests modern replacements; gates version-specific features with #available and fallbacks \n Addresses lists, layouts, animations, accessibility, Swift Charts, and platform-specific patterns (macOS scenes, Liquid Glass) \n Enforces co

Evaluate Agent Skills against official specifications and patterns derived from 17+ official examples.

Search, retrieve, and install reusable Agent Skills from the prompts.chat registry. \n \n Provides two core MCP tools: search_skills for keyword-based discovery with optional category and tag filtering, and get_skill to fetch complete skill packages including SKILL.md, documentation, and helper scripts \n Handles the full installation workflow: search results presentation, skill retrieval, file organization into .claude/skills/{slug}/ , and verification of successful setup \n Supports filtering