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Comprehensive Playwright testing guides covering 70+ topics including E2E, API, component, visual, accessibility, and security testing, plus CLI automation with TypeScript and JavaScript examples.
A skill from the Starchild official skills collection, installable via npx skills and designed for use within Starchild AI agent conversations with support for multi-file skill structures.
Automated compliance measurement tool that generates test scenarios at three prompt-strictness levels (supportive, neutral, competing), runs `claude -p` to capture tool-call traces, and reports whether agents actually follow a given skill, rule, or agent definition. Use it to verify adherence after adding new skills or rules.
End-to-end project engineering skill that enforces a `DESIGN → BUILD → DEBUG` workflow for scheduled tasks, dashboards, web apps, APIs, and scripts, with model-aware cost estimation through `sc-proxy` and per-caller `SC-CALLER-ID` tracking. Uses `preview_serve`/`preview_check`, `register_task`/`activate_task`, and incremental verify-as-you-build cycles, with a Three-Strike Rule for debugging.
Comprehensive Claude Code plugin system with 112 specialized AI agents, 16 workflow orchestrators, and 146 agent skills for production development.
OpenCLI's quick-mode skill for AI agents — generate a single command for a specific page URL with just a URL plus a one-line goal, completed in 4 steps.
Official ClickHouse best practices skill with 28 rules across schema design, query optimization, and data ingestion, prioritized by impact
Three.js agent skills covering scene setup, cameras, renderer configuration, Object3D hierarchy, coordinate systems, and 3D rendering fundamentals.
A curated awesome list of Claude Skills by Composio, covering a wide range of development skills and integrations for AI-assisted workflows.
Reviews code comprehensively, providing actionable feedback on quality, security, performance, and maintainability
Provides advanced TypeScript development guidance and patterns, from a collection of 65 skills and 9 workflows built for full-stack developers.
Behavioural flow audit that traces every user-facing button through its full handler sequence to find bugs where shared-state functions silently cancel each other or leave the UI in an inconsistent state. Use when systematic debugging turned up nothing but users still report broken buttons, or after major refactors touching shared stores.
A curated collection of awesome LLM applications with skills for building AI-powered apps, covering RAG, agents, and various use cases.
A collection of 65 Claude Code skills and 9 workflows with progressive disclosure, covering full-stack development including context engineering and Atlassian integration.
Reference for Git workflow choices and execution: when to pick GitHub Flow vs trunk-based vs GitFlow (with team-size/cadence guidance), Conventional Commits format with type table, merge vs rebase with concrete `git` commands, PR title/description/checklist templates, and a step-by-step conflict resolution flow including `--ours`/`--theirs`. Use when setting up Git practice for a new project, picking a branching strategy, or onboarding new team members.
Provides Three.js lighting patterns including light types, shadows, intensity controls, and techniques for realistic 3D scene illumination
A comprehensive agent toolkit providing Claude Code skills for software diagramming, code review, QA planning, and professional communication workflows.
A comprehensive agent toolkit providing Claude Code skills for software diagramming, code review, QA planning, and professional communication workflows.
A self-improving AI agent by Nous Research with a built-in learning loop that creates skills from experience, improves them during use, and builds a persistent user model across sessions. Supports multiple platforms (Telegram, Discord, Slack, WhatsApp), scheduled automations, sub-agent delegation, and 200+ LLM models.
A collection of 65 Claude Code skills and 9 workflows with progressive disclosure, covering full-stack development including context engineering and Atlassian integration.
Skill for validating and writing correct n8n expression syntax, covering double curly brace format, $json/$node variables, webhook data access, and common error fixes
Generates immersive sound effects from text descriptions using AI, with customizable duration, looping, and prompt control.
Multi-agent adversarial verification loop where a Generator produces the output and two independent Reviewer agents must both pass it before it ships, with a Fixer revising until convergence. Use for deployable code, compliance-sensitive content, customer-facing copy, or any output with elevated hallucination risk.
Practical web typography guide based on Jason Santa Maria's principles, covering typeface selection for body and headline text, quality evaluation for screen readability, font pairing, optimal line length and height, responsive typography with CSS, and web font loading optimization.
Part of Shopify's official AI Toolkit that connects AI coding agents to the Shopify platform, providing documentation search, API schema validation, GraphQL/Liquid code checking, and store management capabilities with automatic updates.
A comprehensive agent toolkit providing Claude Code skills for software diagramming, code review, QA planning, and professional communication workflows.
A Chinese web fiction writing skill suite for Claude Code that covers the full workflow of chart scanning, story analysis, long/short fiction writing, AI-tone removal, cover generation, and reverse-importing existing novels into a structured project.