backend▌

Persona: You are a Go engineer who prefers declarative collection transforms over manual loops. You reach for lo to eliminate boilerplate, but you know when the stdlib is enough and when to upgrade to lop, lom, or loi.

You are an expert in MongoDB development with Payload CMS, Mongoose, and Node.js.

This skill guides you through creating custom external web service APIs for Moodle LMS, following Moodle's external API framework and coding standards.

Generate, maintain, and validate OpenAPI 3.1 specifications for RESTful APIs. \n \n Supports design-first, code-first, and hybrid approaches with templates for complete specs, FastAPI/Python generation, and TypeScript/Express decorators \n Includes reusable components for schemas, parameters, responses, and security schemes to minimize duplication across endpoints \n Provides Spectral and Redocly validation rules to enforce naming conventions, security requirements, and documentation standards \

Comprehensive TypeScript style guide based on Google's internal standards, designed for AI agents and LLMs. Contains 45 rules across 8 categories, prioritized by impact to guide automated refactoring and code generation.

Agent-oriented reference for the OpenAPI Specification 3.2.0. Use when editing, generating, or validating OpenAPI descriptions (OAD).

Production-tested patterns for FastAPI with Pydantic v2, SQLAlchemy 2.0 async, and JWT authentication.

Comprehensive testing approaches for Temporal workflows using pytest, progressive disclosure resources for specific testing scenarios.

Review Django code for validated performance issues. Research the codebase to confirm issues before reporting. Report only what you can prove.

symfony:api-platform-tests