Developer Tools & Repos Agent Skills for Microsoft Copilot

Semantic code understanding with IDE-like symbol operations.

Create model classes with `fromJson` and `toJson` methods using `dart:convert`.

Perform SGLang code review in the style of human maintainers by consulting the full non-agent PR review episode corpus from project start…

Automate GitHub workflow so validated session artifacts become ship-ready issue/PR/merge actions with explicit human control points.

Expert assistance for building SignalWire AI Agents in Python.

Implement or extend a user-facing workflow in a web application, integrating with existing backend APIs.

Use when building SpriteKit games, implementing physics, actions, scene management, or debugging game performance.

Execute DeFi operations on Starknet including token swaps via avnu aggregator, DCA recurring buys, STRK staking, and lending/borrowing.

Create and configure Claude Code sub-agents with custom prompts, tools, and models

Diagnose a Swift / Xcode Cloud / TestFlight failure from a pasted red build log, an ITMS App Store rejection email, or a bare error code.

Implements protocol-based dependency injection to create testable, decoupled Swift code for file systems, networks, and APIs.

This skill should be used when working with SwiftData — @Model definitions, @Query, @Relationship, ModelContext, ModelContainer, schema…

Build reliable distributed workflows with Temporal.

Turns rough ideas into approved, decision-complete plans with validated structure before coding.

Use when editing the Tiny World Builder repo, especially tiny-world-builder.html, to preserve the static classic-script Three.js r185 app…

Use when setting up new projects or updating tool configurations.

Use when implementing tweens — property animation, method tweening, chaining, parallel sequences, easing, and common UI/gameplay motion…

Develops, validates, and packages universal Android root modules compatible across Magisk, KernelSU, and APatch from a single codebase.

Enforces high-quality coding standards and architectural best practices by preventing common development pitfalls and technical debt.

Develop, test, and automate Unreal Engine 5.x projects with PlayUnreal, Remote Control, Automation Driver, and end-to-end flows.

Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that…