Developer Tools & Repos Agent Skills for Gemini CLI

Use when handling async operations in Angular applications with observables, operators, and subjects.

Use when building Angular 16+ applications requiring fine-grained reactive state management and zone-less change detection.

Use when implementing animations — AnimationPlayer, AnimationTree, blend trees, state machines, sprite animation, and code-driven animation

Handle Anthropic rate limits \u2014 understand tiers, implement backoff,\n\

Implement tool use (function calling) with Claude to let it execute

Quality gate for iterative coding work that prevents "code slop" — the measurable degradation (god-functions, copy-paste duplication…

Enforces professional, intentional development mindset on every web coding task — preventing AI slop, unplanned code, and amateur security…

Three.js asset loading - GLTF, textures, images, models, async patterns.

Transform raw game ideas into complete Unity projects with AI-powered asset generation, scene blueprints, music/SFX prompts, and…

Production patterns for Unity's Data-Oriented Technology Stack (DOTS) including Entity Component System, Job System, and Burst Compiler.

Validates whether an API request is correct based on provided inputs (method, URL, headers, body, auth, query params).

Build a new API connector or provider by matching the target repo's existing integration pattern exactly.

Checks layer leakage in method signatures, missing DTOs, entity leakage to API, inconsistent error contracts.

API contract design for REST and GraphQL, covering resource shape, URL and header versioning with deprecation windows, RFC 9457 Problem…

Comprehensive API design patterns for REST, GraphQL, and gRPC.

API Design Reviewer

Generates client SDK code, API wrapper libraries, request/response models, and language-specific usage patterns for any REST API.

This skill should be used when building the async job workflow, implementing polling loops, handling job status transitions, processing…

Use when developing, reviewing, debugging, or explaining Apigee X API proxy configurations — proxy bundles, policies, flows, endpoints…

Build Android applications (Debug / Release) and publish APK artifacts to the APK Release Hub (Version Manager Web Service) via REST API.

Use when implementing Apollo Client patterns for queries, mutations, cache management, and local state in React applications.