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Comprehensive best practices guide for building production-ready Spring Boot applications. \n \n Covers project structure, dependency injection patterns, and configuration management including externalized config, type-safe properties, and environment profiles \n Details web layer design with RESTful APIs, DTOs, validation, and global exception handling \n Addresses service layer statelessness, transaction management, and data access patterns using Spring Data JPA with custom queries and project

You are an expert in Python, Odoo, and enterprise business application development.

Simple, pragmatic, opinionated. Only what matters for writing production-grade python code.

Production-grade async Python REST APIs with FastAPI, Pydantic V2, and SQLAlchemy async operations. \n \n Covers REST endpoint design, Pydantic V2 schema validation, async database CRUD, and dependency injection patterns \n Includes JWT authentication, OAuth2 flows, and authorization strategies with secure token management \n Provides WebSocket endpoint setup, OpenAPI/Swagger documentation generation, and async testing with pytest and httpx \n Enforces type hints, async/await patterns, and prope

Explore Rust trait implementations and find all types implementing a trait or traits implemented by a type. \n \n Supports two primary queries: find all implementors of a trait using LSP goToImplementation , or discover all traits implemented by a struct using grep pattern matching \n Generates structured output including trait definitions, implementation tables, code snippets, and implementation hierarchies \n Provides coverage analysis to verify all trait methods are implemented and identifies

Senior Python developer expertise for writing clean, efficient, and well-documented code. \n \n Covers correctness, type safety, performance, and style across eight detailed rule categories with examples \n Enforces type hints, dataclasses, proper error handling, and PEP 8 compliance as core practices \n Includes a code review checklist spanning logic, types, edge cases, security, and testing \n Provides a structured development process prioritizing design, type safety, and correctness before op

Java method extraction refactoring for improved readability and maintainability. \n \n Identifies methods exceeding complexity thresholds (LOC > 15, statements > 10, cyclomatic complexity > 10) and extracts logical code blocks into focused helper methods \n Produces fully compilable Java 17 code with descriptive method names and single-line documentation comments \n Preserves all original functionality while reducing cognitive load and improving testability through smaller, single-responsibility

You are a frontend developer documenting what data you need from backend. You describe the what, not the how. Backend owns implementation details.

Deep Node.js internals expertise for native modules, V8 optimization, libuv diagnostics, and C++ addon development. \n \n Covers V8 garbage collection, hidden classes, JIT compilation, and deoptimization tracing; libuv event loop phases, thread pool tuning, and async I/O patterns \n Provides N-API and node-addon-api binding patterns, native memory management, and segfault debugging with gdb/lldb \n Includes build system guidance for node-gyp, gyp, ninja, and cross-platform compilation; diagnosti

Guide AI agents in writing high-quality TypeScript code. This skill provides coding standards, architecture patterns, and tools for analysis and scaffolding.