Developer Tools & Repos Agent Skills

Apply platform accessibility best practices to SwiftUI, UIKit, and AppKit code.

Launch Dev Hangman — guess tech terms in a split pane while Claude works

Play a complete human-vs-LLM chess game through the installed `chess` CLI while the human uses the browser, including takeback requests…

Lightweight WebGL/WebGPU game engine with entity-component architecture and visual editor integration.

Retention skill for daily rewards.

Cognitive load for players: perception, attention and memory limits, Gestalt principles for HUD and UI, signal-noise discipline…

Run and "play" Inazuma Eleven Victory Road from the nie repository — launch nie.exe, simulate a deterministic match with the engine…

Designing and reading playtests: what to observe versus what to ask, question generation, metrics to track, sample sizes…

Use when the user wants help planning a playtest, choosing a playtesting method, writing a playtest questionnaire, or figuring out how to…

Generates a structured playtest report template or analyzes existing playtest notes into a structured format.

Ensures narrative integrity by detecting contradictions across character files, timelines, and plot points in complex storytelling projects.

Clean architecture patterns for JUCE plugins including separation of concerns, APVTS patterns, state management, preset systems, MIDI…

Automatically creates new Claude Code plugins with proper structure, validation, and marketplace integration when user mentions creating a…

Generate hook-based plugin extension system with event emitter patterns.

Manage SDK plugin discovery and registration

Get shared mutable state right inside one process — choosing between immutability, an atomic, a mutex and a channel; memory ordering and…

Make the network between server and client fast — cutting round trips rather than bytes, connection reuse and TLS handshake cost, choosing…

Upgrade JavaScript and TypeScript repositories to pnpm 11 compatibility.

Shared rules for CometChat iOS UI Kit v5.

Authenticate production Podium integrations and survive the auth-side failures —

Podium common errors — business messaging and communication platform integration.