feat(policy): Propagate Tool Annotations for MCP Servers (#20083)

packages/core/src/tools/tools.ts

@@ -91,6 +91,7 @@ export abstract class BaseToolInvocation<
     readonly _toolName?: string,
     readonly _toolDisplayName?: string,
     readonly _serverName?: string,
+    readonly _toolAnnotations?: Record<string, unknown>,
   ) {}
 
   abstract getDescription(): string;
@@ -199,6 +200,7 @@ export abstract class BaseToolInvocation<
         args: this.params as Record<string, unknown>,
       },
       serverName: this._serverName,
+      toolAnnotations: this._toolAnnotations,
     };
 
     return new Promise<'ALLOW' | 'DENY' | 'ASK_USER'>((resolve) => {
@@ -372,6 +374,10 @@ export abstract class DeclarativeTool<
     return READ_ONLY_KINDS.includes(this.kind);
   }
 
+  get toolAnnotations(): Record<string, unknown> | undefined {
+    return undefined;
+  }
+
   getSchema(_modelId?: string): FunctionDeclaration {
     return {
       name: this.name,