ListChangedHandler - FastMCP TS

type ListChangedHandler<T> = {
  autoRefresh?: boolean;
  debounceMs?: number;
  onChanged: (error, items) => void | Promise<void>;
};

Defined in: client/handlers.ts:40 Config for receiving server-initiated list-change notifications. Set debounceMs: 0 in tests for instant delivery.

Type Parameters

T

optional autoRefresh?: boolean;

Defined in: client/handlers.ts:43 Whether to auto-fetch the updated list before calling onChanged. Default: true.

optional debounceMs?: number;

Defined in: client/handlers.ts:45 Debounce window in ms. Default: 300. Set to 0 to disable.

onChanged: (error, items) => void | Promise<void>;

Error | null

T[] | null

void | Promise<void>

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