Developer Tools & Repos Agent Skills for Gemini CLI

Official GSAP skill for the core API — gsap.to(), from(), fromTo(), easing, duration, stagger, defaults, gsap.matchMedia() (responsive…

Official GSAP skill for performance — prefer transforms, avoid layout thrashing, will-change, batching.

Official GSAP skill for timelines — gsap.timeline(), position parameter, nesting, playback.

Reference for the Claude API / Anthropic SDK — model ids, pricing, params, streaming, tool use, MCP, agents, caching, token counting…

Use when starting feature work that needs isolation from current workspace or before executing implementation plans - ensures an isolated…

Execute first API calls to Guidewire PolicyCenter, ClaimCenter, and BillingCenter.

Build a production-grade Guidewire Cloud API client that survives the request-side failures — 409 checksum conflicts on PATCH/PUT, 429…

Brutally honest Rails code review from DHH's perspective.

Injects visceral, paranoid inner-monologue based on the Half Light skill from Disco Elysium into your Claude Code interactions.

Simulates a specialized internal persona focused on precision, firearms expertise, and tactile coordination in the style of Disco Elysium.

Implements a specialized internal monologue persona for Claude based on the Disco Elysium Hand-Eye skill for precision and firearm…

HarmonyOS application development expert.

Idiomatic Rust patterns, ownership, error handling, traits, concurrency, and best practices for building safe, performant applications.

Automates Apple-platform apps (iOS, tvOS, macOS) and Android devices.

Complete guide for Hasura GraphQL Engine including instant GraphQL APIs, permissions, authentication, event triggers, actions, and…

Master ES6+ features including async/await, destructuring, spread operators, arrow functions, promises, modules, iterators, generators…

This skill should be used when the user needs to implement hex-based game boards, convert between hex coordinate systems, calculate hex…

Generate user-facing App Store release notes from git history since the last tag.

Apple Human Interface Guidelines interaction and UX patterns.

Master Minecraft server plugin development with Bukkit, Spigot, and Paper APIs.

CRITICAL: Use for Robius event and action patterns.