uvicorn
Uvicorn is an ASGI web server for Python that runs ASGI applications and provides HTTP/1.1 and WebSocket support.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
TLS/auth behavior is not described in the provided content; in common deployments TLS is terminated at a reverse proxy/load balancer. As a server framework, security largely depends on the ASGI app, deployment config, and any TLS/proxy settings; the provided dependency info suggests modern common libraries, but no vulnerability/cvE assessment is included in the provided material.
⚡ Reliability
Best When
You have an ASGI application and want a performant Python server with optional performance extras (e.g., uvloop, httptools).
Avoid When
You need a fully managed server service, or you require HTTP/2 support from the server itself (not indicated in the provided material).
Use Cases
- • Running FastAPI/Starlette and other ASGI frameworks
- • Serving HTTP APIs and streaming responses (async-capable)
- • Providing WebSocket endpoints for real-time applications
Not For
- • Wsgi-only (non-ASGI) applications without an ASGI adapter
- • Out-of-the-box managed hosting or service-level authentication/authorization (it is a server, not an auth platform)
Interface
Authentication
The provided material does not describe built-in authentication; typical use is to enforce auth at the ASGI application/framework or via reverse proxy (outside the scope of Uvicorn itself).
Pricing
Open-source Python package (no SaaS pricing described in the provided content).
Agent Metadata
Known Gotchas
- ⚠ Uvicorn is a server runner, not a typical request/response API library; many agent interactions will be through launching it and interacting with the app over HTTP/WebSocket rather than calling a documented programmatic client interface.
- ⚠ Correct behavior depends on the ASGI app and deployment configuration (e.g., proxy/TLS settings are usually handled outside Uvicorn).
Alternatives
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Scores are editorial opinions as of 2026-03-29.