MCP Sampling: When the Server Gets to Prompt Your Model
This story is from 2026-09-11. It is preserved in the archive; the latest stories are on the live feed.
Most of what I'd read about MCP framed the data flow one direction: I ask, the client picks a tool, the server runs it, I get a result. The server was a thing my model called . It did not occur to me that the server could call back. Then I read the part of the spec that covers Sampling, and the arr…
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- 2026-09-11 13:00 · DEV Community — AI
MCP Sampling: When the Server Gets to Prompt Your Model