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unit-test-bean-validation
A well-structured and practical guide for unit testing Jakarta Bean Validation with comprehensive examples covering standard constraints, custom validators, and proper assertion patterns.
gifgrep
A CLI/TUI tool for searching GIFs from Tenor and Giphy, downloading results, and extracting still frames or frame sheets. It provides multiple output formats including JSON and URL lists, with options for batch processing and preview generation. The tool requires API keys for full functionality but includes a demo mode for Tenor.
draw-io
draw.io diagram creation, editing, and review. Use for .drawio XML editing, PNG conversion, layout adjustment, and AWS icon usage.
1k-adding-chains
Guide for adding new blockchain chains to OneKey. Use when implementing new chain support, adding blockchain protocols, or understanding chain architecture. Triggers on chain, blockchain, protocol, network, coin, token, add chain, new chain.
activitypub-pr-workflow
This skill enforces consistent PR creation workflows for the WordPress ActivityPub plugin. It provides branch naming conventions, required PR settings, changelog rules, and pre-push checks. It helps developers avoid common mistakes and maintain project standards.
skills
Provides WebSocket-based control of Unity Editor with 500+ commands for GameObject manipulation, scene management, component operations, and SQLite database integration. Enables scripted automation of Unity workflows from Claude Code via JSON-RPC 2.0 protocol on localhost ports 9500-9600.
food-order
This Claude Skill automates Foodora order reordering and tracking via the ordercli command-line tool. It focuses on safety by requiring explicit user confirmation before placing orders, provides preview functionality, and includes tracking commands. The skill requires external tool installation and Foodora account setup.
unit-test-exception-handler
Provides a clear pattern for unit testing Spring's @ExceptionHandler and @ControllerAdvice. Includes setup instructions for Maven/Gradle, practical examples for different exception types, and verifies HTTP status codes and response structure using MockMvc.
typescript-advanced-types
Provides detailed guidance on TypeScript's advanced type features including generics, conditional types, mapped types, and template literals. Includes practical code examples for building type-safe applications, type inference techniques, and common patterns. Covers best practices and performance considerations for real-world usage.
Function Call Tracing
Instrument C/C++ with -finstrument-functions for execution tracing and Perfetto visualization
managing-git-workflow
This Skill provides standardized Git workflow guidance for HASH development teams. It enforces branch naming conventions linking to Linear tickets, defines PR creation templates, and offers detailed review procedures with specific CLI commands for gathering context.
sveltekit-remote-functions
Provides guidance for SvelteKit's experimental remote functions feature, explaining command(), query(), and form() patterns for server-side execution from client components. Includes practical examples, validation with Valibot/Zod, caching strategies, and comparison with traditional approaches.
typescript
This skill enforces TypeScript coding standards with specific rules for alphabetical ordering, BiomeJS tooling, dayjs usage, and type safety. It provides concrete examples for common patterns and clear triggers for when to apply the skill.
python-best-practices
A comprehensive guide to Python type-first development with practical examples covering dataclasses, discriminated unions, protocols, and modern tooling recommendations.
grep-and-read
A highly efficient and practical skill that dramatically reduces exploration time by combining grep and read operations into a single coordinated action.
prp-core-runner
Orchestrate complete PRP workflow from feature request to pull request. Run create branch, create PRP, execute implementation, commit changes, and create PR in sequence. Use when implementing features using PRP methodology or when user requests full PRP workflow.
C++ Code Formatter
This skill provides C++ code formatting for the Sanmill project using clang-format with project-specific configuration. It includes a format.sh script for batch processing, git integration examples, and troubleshooting guidance for common formatting issues.
react
Comprehensive React 19 patterns guide covering modern features like Server Components, Actions, and concurrent rendering with practical TypeScript examples for real-world development.
interviewing-user
A well-structured skill for systematic requirements gathering that proactively interviews users to resolve ambiguities before implementation, preventing wasted effort from incorrect assumptions.
tech-stack-detection
A well-structured skill for automatically detecting technology stacks in projects, providing clear methodology and practical workflow for developers starting with unfamiliar codebases.
Skill Builder
Create new Claude Code Skills with proper YAML frontmatter, progressive disclosure structure, and complete directory organization. Use when you need to build custom skills for specific workflows, generate skill templates, or understand the Claude Skills specification.
project-setup
This skill automates the setup of Claude Code projects by generating CLAUDE.md files and slash commands based on project type. It detects existing project configurations and provides templates for React, Python, Go, and Rust. The skill includes clear examples and verification steps to ensure proper configuration.
test-driven-development
This skill enforces strict Test-Driven Development practices by requiring failing tests before any implementation code. It provides concrete examples of red-green-refactor cycles, common rationalizations to avoid, and verification checklists. The approach is dogmatic but effective for maintaining test discipline.
Subagent System
Enables creation and management of specialized Claude subagents for task delegation. Provides clear file structure, automatic/proactive delegation triggers, and permission controls. Helps keep main conversation context clean by isolating specialized tasks to separate agents.