uvicorn

Serve Python ASGI applications with Uvicorn's production-ready server.

2|Updated Sep 28, 2025

Search Tags:#fastapi #python #websocket #uvicorn #asgi #web-server

Ready to run

npx skills add https://github.com/SlanyCukr/riot-api-project --skill uvicorn

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Please help me install this Agent Skill.
Skill: uvicorn
Source: https://github.com/SlanyCukr/riot-api-project/tree/main/.claude/skills/backend/uvicorn
Command: npx skills add https://github.com/SlanyCukr/riot-api-project --skill uvicorn

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Uvicorn provides a fast, production-ready ASGI server for Python web applications, enabling scalable async processing with minimal configuration.

Core Features & Use Cases

Lightning-fast ASGI server based on uvloop and httptools.
Supports multiple workers, auto-reload for development, and WebSocket support.
Ideal for FastAPI, Starlette, and Django Channels deployments requiring reliable HTTP and websocket handling.

Quick Start

Start your app quickly with uvicorn main:app --reload for development.

Frequently Asked Questions about uvicorn

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I run a FastAPI app with an ASGI server in production?▼

Uvicorn serves as a fast, production-ready ASGI server for Python web applications like FastAPI, enabling scalable async processing with minimal configuration.

Does Uvicorn support WebSocket connections for async Python frameworks?▼

Yes, Uvicorn supports WebSocket connections, making it ideal for deploying async frameworks like Starlette and Django Channels that require reliable real-time communication.

What's the best way to enable auto-reload for a Python web server during development?▼

The best way to enable auto-reload during development is to start your app with Uvicorn using the --reload flag, which automatically restarts the server when code changes are detected.

Can I use an ASGI server with Django Channels for asynchronous web services?▼

Yes, you can use Uvicorn as the ASGI server for Django Channels, enabling scalable asynchronous web services and reliable websocket handling with minimal configuration.

How do I scale a Python ASGI web service using multiple workers?▼

You can scale a Python ASGI web service by running Uvicorn with multiple workers, distributing incoming HTTP and WebSocket requests across several concurrent processes for improved throughput.

Why use Uvicorn over other ASGI servers for Python web apps?▼

Uvicorn provides a lightning-fast ASGI server based on uvloop and httptools, offering high-performance async processing that makes it ideal for production deployments requiring reliable HTTP and websocket handling.