Developer Tools & Repos Agent Skills

Creates Spring REST APIs following best practices.

Build 2D games and animations using SpriteKit.

SpriteKit API reference — all node types, physics body creation, action catalog, texture atlases, constraints, scene setup, particles…

Reorganize messy branch commits into a small set of logical, meaningful commits without changing any content.

Collapses the current feature branch into a single commit and fast-forwards it onto the base branch, rebasing onto the base first when…

This skill should be used when the GM needs to look up rules, reference what the SRD says, find official rules, get exact wording, check…

Server-Sent Events implementation, streaming patterns, and real-time updates.

Integration patterns for Flutter + Firebase + Riverpod — auth, Firestore, Cloud Functions, project structure

Integration patterns for Expo + React Navigation + Zustand + MMKV + TanStack Query

Boot a WebContainer, mount files, install npm packages, and run a dev

Configure local development for WebContainer applications with hot reload

Production patterns for WebContainer API: file system operations, process

Use when managing dependent GitHub pull requests with plain `gh` and git, especially when a parent changes or merges, a child must change…

Provide repo coding standards.

Reference for building Starknet applications using starknet.js v9.x SDK, including contract interaction, account management, transaction…

Create and manage Starknet wallets for AI agents.

Reference for integrating or maintaining applications built with keep-starknet-strange/starkzap, including StarkSDK setup, onboarding…

This skill should be used when the user asks to "start a playtest", "run a game", "test game rules", "launch multi-agent game simulation"…

Start new hotfix branch

Start iOS development with Simulator, dev server, and optional Poltergeist auto-rebuild

Use when you have an OpenAPI spec and want to generate an SDK, or asking "how do I get started with Speakeasy