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Transport Layers

Learn how MCP clients and servers communicate via stdio and HTTP/SSE. Part of the free MCP Academy — every lesson below is open to everyone, no signup required.

3 lessons180 XP~21 min total100% free

// LESSONS IN THIS MODULE

  1. 01The Stdio Transport6 min · 60 XP

    Local Communication via Stdio The stdio (Standard Input/Output) transport is the most common way to run MCP servers locally. It is lightweight, extrem...

  2. 02Streamable HTTP & SSE8 min · 60 XP

    Remote Connections (Current Spec) If you want to host an MCP Server in the cloud (e.g., on Vercel or AWS) so multiple clients can connect, use the tra...

  3. 03Managing Sessions7 min · 60 XP

    Session When using HTTP transports, the connection is typically stateless. However, MCP 1.0 required a stateful session to keep track of capabilities...

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