Why Remote Servers Need Auth
The risks of an open public MCP endpoint.
From Local to Remote
When your MCP server ran over stdio, only your own machine could reach it. Move it to HTTP and suddenly the whole internet can knock on the door. 🌐
No Door, No Lock
A fresh HTTP server has no authentication by default. Anyone who learns the URL can list and call every tool you exposed.
All lessons in this course
- Why Remote Servers Need Auth
- Bearer Tokens & Headers
- The OAuth Flow in MCP
- Scope What a Token Can Do