Developer Tools & Repos Agent Skills for Claude Code

Use when implementing or debugging ANY network request, API call, or data fetching.

Advanced .faf (Foundational AI-context Format) specialist.

Build high-performance async APIs with FastAPI, SQLAlchemy 2.0, and Pydantic V2.

Create FastAPI routers following established patterns with proper authentication, response models, and HTTP status codes.

Master Flutter development with Dart 3, advanced widgets, and multi-platform deployment.

Use when a task requires exhaustive unabridged output, complete files, or strict prevention of placeholders and skipped code.

Game audio principles. Sound design, music integration, adaptive audio systems.

Use this skill when building applications with Gemini API hosted models, including Gemini and Gemma 4, working with multimodal content…

Use when integrating Google Gemini API into projects.

Master Godot 4 GDScript patterns including signals, scenes, state machines, and optimization.

GraphQL gives clients exactly the data they need - no more, no

Internationalization and localization patterns.

Master modern JavaScript with ES6+, async patterns, and Node.js APIs.

Expert jq usage for JSON querying, filtering, transformation, and pipeline integration.

Behavioral guidelines to reduce common LLM coding mistakes.

Expert patterns for Kotlin Coroutines and Flow, covering structured concurrency, error handling, and testing.

Refactor legacy codebases, migrate outdated frameworks, and implement gradual modernization.

Technical reference on Lightning Network channel factories, multi-party channels, LSP architectures, and Bitcoin Layer 2 scaling without…

MANDATORY: Run appropriate validation tools after EVERY code change.

Get reliable JSON, enums, and typed objects from LLMs using response_format, tool_use, and schema-constrained decoding across OpenAI…

Build, refactor, or review SwiftUI macOS menubar apps that use Tuist.