# How MCP servers differ

Lesson 3 of [MCP foundations for buyers](https://mcpdirectory.fyi/academy/mcp-foundations.md), 14 minutes.

Two servers that look alike in a list can differ in ways that matter at work. Where the code runs - Local stdio: a process launched near the client. The local operator usually patches it. Review the package code, the process permissions and the credentials it can reach. - Remote HTTP: a separately o…

The rest of this lesson is for learners enrolled in the course. [See how MCP foundations for buyers works](https://mcpdirectory.fyi/academy/mcp-foundations.md).

Also on the [web page](https://mcpdirectory.fyi/academy/mcp-foundations/how-servers-differ).