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Transport Layers

Learn how MCP clients and servers communicate via stdio and Streamable HTTP. 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: Streamable HTTP To host an MCP Server in the cloud (e.g., on Vercel, Cloudflare Workers, or AWS) so multiple clients can connect o...

  3. 03Stateless Architecture & Discovery (Spec 2026-07-28)7 min · 60 XP

    Stateless Core (Spec 2026-07-28) The Model Context Protocol specification revision 2026-07-28 introduced fundamental architectural improvements, trans...

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