Developer Tools & Repos Agent Skills

This skill should be used when working with Java 17+ language features outside the Spring layer: records, sealed classes, Optional, Stream…

Apply JG's preferred C# .NET coding style — vertical-slice / onion layering (Application / Domain / Infrastructure), explicit constructor…

Enforce Conventional Commits specification for all git commit messages.

Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through…

Use when the user wants to review changes, commit with a conventional commit message, and push to the current branch, or invokes…

Use when the user wants to create a new feature branch from a ticket number or description, or invokes /create-branch

Use when the user wants to commit current changes and open a pull request in one step, or invokes /create-pr

Design and validate JSON Schemas for API contracts, configuration files, and data exchange formats.

Design stable APIs and module boundaries with clear contracts.

Simplify code for clarity without changing behavior.

Manage deprecation and migration of old systems, APIs, and features.

Manage git workflow practices: branching, committing, resolving conflicts, parallel streams.

Ground every implementation decision in official documentation before writing code.

Queries Chinese BaZi four pillars, Five Elements attributes, and lunar calendar data based on solar birth date and hour via JuheData API.

Parses Chinese resident ID card numbers to extract gender, birthdate, and administrative jurisdiction information via Juhe API.

Master Julia 1.10+ with modern features, performance optimization, multiple dispatch, and production-ready practices.

Compare the live Juno iOS Simulator screen or an attached app screenshot with an exact Figma frame, render minimal white GUI-first review…

Framework (OSS). Add an iOS App Clip target to an Expo app. Use when the user mentions App Clip, AASA, apple-app-site-association…

Guides stable API and interface design. Use when designing APIs, module boundaries, or any public interface. Use when creating REST or…

REST API design patterns including resource naming, status codes, pagination, filtering, error responses, versioning, and rate limiting…

EAS service (paid). Deploy Expo apps to the app stores with EAS - build and submit to the iOS App Store, Google Play Store, and…