Dev server

Skill yugasun/skills/skills/dev-server

A collection of high-quality, opinionated agent skills for modern full-stack development. These skills are designed to be used with AI agents (like Cursor, Windsurf, or custom agents) to standardize project creation and maintenance.

Install

npx -y skills add yugasun/skills --skill dev-server

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Create and manage Python backend services using uv, FastAPI, Pydantic, SQLAlchemy, and AI libraries. Use this skill when the user asks to build a backend, API, or server-side application.

SKILL.md

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Server Development Skill

Instructions

Use this skill to scaffold and maintain backend services in the server/ directory. Follow the stack preferences and configuration details below.

Quick Start

Initialize: uv init.
Manager: Use uv for all dependency operations.
Framework: Setup FastAPI with Pydantic.
Database: configure SQLAlchemy (Async) + Alembic.

Core Stack Preferences

Project Management (uv)

Use uv for all Python project management (scaffolding, dependency management, virtual environments).

Command	Description
`uv init`	Initialize a new project
`uv add <pkg>`	Add dependency
`uv add --dev <pkg>`	Add development dependency
`uv run <cmd>`	Run command in virtual environment
`uv venv`	Create virtual environment

Project Location

The backend project should be initialized in the server/ directory.

Framework (FastAPI)

Use FastAPI for building APIs.

Use APIRouter for modularizing routes.
Use pydantic-settings for configuration management.

Database (SQLAlchemy + Alembic)

Use SQLAlchemy 2.0+ with AsyncIO support. Use Alembic for database migrations.

AI & LLM (LiteLLM + Docling)

LiteLLM: For standardized access to various LLM providers.
Docling: For parsing and processing documents.

References

Setup & Configuration

Topic	Description	Reference
Project Setup	Using uv, strict python versioning, and environment variables	setup
API Development	FastAPI structure, error handling, and validation	api

Data & Architecture

Topic	Description	Reference
Database Access	Async SQLAlchemy strategies and Alembic migrations	database
AI Integration	using LiteLLM and Docling for AI features	ai