Annotation Interface McpPromptCompletion

@Target(METHOD)
@Retention(RUNTIME)
public @interface McpPromptCompletion

Attaches an argument completer to a prompt declared in the same MCP endpoint. The named prompt must have an McpPrompt handler method. Completion supports MCP 2025-06-18, 2025-11-25, and 2026-07-28. The completer's revisions must be a nonempty subset of the target prompt's revisions.

Author:

Mark Allen

Required Element Summary

Required Elements

Modifier and Type	Required Element	Description
@NonNull String	name
@NonNull McpProtocolVersion @NonNull []	protocolVersions

Element Details

protocolVersions

@NonNull McpProtocolVersion @NonNull [] protocolVersions

Returns:

the required exact MCP revisions handled by this completer

name

@NonNull String name

Returns:

the target prompt's published name