Agent MCP Directory

Elicitation

Elicitation: A way for a server to ask the user, through the client, for more information, now handled through multi round-trip requests. Example: 2025-11-25 added URL mode elicitation. Next in the glossary is HTTP+SSE transport: The older MCP HTTP transport with a separate SSE endpoint, deprecated since 2025-03-26 and reclassified Deprecated in 2026-07-28.

Definition

A way for a server to ask the user, through the client, for more information, now handled through multi round-trip requests.

Example, with source

2025-11-25 added URL mode elicitation. (modelcontextprotocol.io, read 4 November 2026)

Neighbouring terms

  • Dynamic Client Registration (DCR): RFC 7591 registration where a client POSTs to /register for credentials; deprecated in MCP 2026-07-28 and kept for compatibility.
  • HTTP+SSE transport: The older MCP HTTP transport with a separate SSE endpoint, deprecated since 2025-03-26 and reclassified Deprecated in 2026-07-28.
  • MCP Apps: An MCP extension in which a tool points to a ui:// resource the host renders as a sandboxed View.