Glossary · term70 of 202
elicitation
A multi-round-trip MCP request pattern where a server pauses a tool call to ask the client for more input, then retries the original operation once that input arrives.
Related terms
callTool promiseThe pending result of an in-progress tool invocation that a client must keep alive across a multi-round-trip elicitation exchange before it resolves.view termmulti-round-trip requestAn operation that requires more than one back-and-forth exchange between client and server to complete, such as an elicitation flow that pauses for user input mid-call.view termtasks primitiveA poll-based mechanism in MCP for durable work, letting a client fetch results after a dropped connection instead of resuming a live stream. It replaced resumable SSE streams as the way to survive a failure.view term
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- jul 2026
