Knowledge base

The ideas behind the tech, explained once and kept up to date.Plain explanations of the terms the other sections lean on: what it is, how it works, where it breaks, and the stories that use it. Updated when it changes.

Knowledge baseOct 15, 14:57 UTC

How AI agents talk to their tools in 2026: SSE, Streamable HTTP, gRPC and WebTransport explained

MCP retired one SSE transport design, yet SSE still streams answers in the Claude, OpenAI and Gemini APIs. This guide explains SSE, Streamable HTTP, WebSockets, gRPC and WebTransport in order, and when each fits an agent.

12 min read