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Development

Scaffolds a complete new game subsystem end-to-end: models, service, router, schemas, migrations, OpenAPI spec, and tests. Use this skill when adding a major new game feature that spans multiple layers (database, service, API, tests), such as a crafting system, an auction house, a reputation system, or a quest system.

Development

Full backend services: Auth, Firestore, Storage, Push Notifications, Analytics, Crashlytics & Remote Config. Includes Provider integration.

Testing

Expert-level JMeter skill for creating test plans, distributed testing, and analyzing performance results.

Development

This skill defines CRUD development standards for the leniu cloud canteen project, based on a three-layer architecture (Controller → Service → Mapper) without a separate DAO layer. It covers transaction management, pagination queries, concurrency handling, and code quality practices like null pointer protection. It is triggered when building new CRUD modules, creating Entity/DTO/VO/Service/Mapper/Controller, and handling transactions, concurrency, and code quality.

Content

Helps users quickly create polished blog posts for Substack and LinkedIn based on their recent work. Guides through gathering key points, tone, and details, then drafts a Substack post (250-500 words) and a shorter LinkedIn version. Useful when users want to share their work without spending hours writing and reformatting.

Development

Expert guidance for writing efficient C code with proper memory management, system calls, and embedded systems. Covers memory ownership, POSIX compliance, and performance optimization.

Data & AI

Build and optimize language model programs declaratively with DSPy. Learn signatures, modules, and automatic prompt optimization for RAG, agents, and classifiers.

Development

Comprehensive guide for Claude Code CLI, extensibility (agents, skills, output styles), and CLAUDE.md architecture. Covers setup, MCP servers, hooks, CI/CD, and troubleshooting.

Development

Implement a roadmap package end-to-end: read spec, branch in a worktree, implement with tests, sweep for stale call sites, open PR, fix CI, resolve conflicts.

Productivity

Schedule and manage recurring tasks with cron expressions. Automate repetitive workflows with precise timing and reliable execution.

Development

Provides expert guidance for Git version control operations including commits, branches, merging, rebasing, conflict resolution, and Git workflows. Useful when working with Git repositories, version control, or collaborative development.

Development

Complete guide for application and script logging, error monitoring, and request logs, including best practices.