Developer Tools & Repos Agent Skills for HTTP / API

Guides systematic code migrations, framework upgrades, and technical modernization with rigorous risk assessment and contract testing.

This skill should be used when the user asks to "create a D&D campaign", "make a new module", "add an NPC", "create an encounter", "search…

Diagnose and fix MindTickle common errors.

Local Dev Loop for MindTickle.

Host modded Minecraft servers (CurseForge, Modrinth).

Use this skill when building or modifying Minecraft server plugins for Paper, Spigot, or Bukkit, including plugin.yml setup, commands…

Fast, lightweight 2D rendering engine for creating interactive graphics, particle effects, and canvas-based applications using WebGL/WebGPU.

.NET 10 minimal APIs — the default for building HTTP endpoints.

Diagnose and fix Mistral AI common errors and exceptions.

Implement Mistral AI reference architecture with best-practice project

Apple Human Interface Guidelines for content display components.

Apple Human Interface Guidelines interaction and UX patterns.

Check for .claude/apple-design-context.md before asking questions.

Build and deploy the same feature consistently across web, mobile, and desktop platforms using API-first architecture and parallel…

Three.js materials - PBR, basic, phong, shader materials, material properties.

Build Unity games with optimized C# scripts, efficient rendering, and proper asset management.

Flutter/Dart Development Expert - Dart 3.5+, Flutter 3.24+ with modern patterns. Auto-Triggers: Flutter projects (.dart files…

iOS/macOS app deployment and App Store Connect automation using the `asc` CLI — a lightweight alternative to fastlane.

Mobile biometric authentication expert for Face ID, Touch ID, BiometricPrompt, Keychain/Keystore, and WebAuthn.

Context compaction strategies for large Android codebases.

Harden how a mobile app stores data at rest so a lost, stolen, backed-up, or rooted/jailbroken device does not leak credentials, tokens…