[feat] Extension Reloading - respect updates to exclude tools (#12728)

packages/core/src/tools/mcp-tool.ts

@@ -243,6 +243,10 @@ export class DiscoveredMCPTool extends BaseDeclarativeTool<
     );
   }
 
+  getFullyQualifiedPrefix(): string {
+    return `${this.serverName}__`;
+  }
+
   asFullyQualifiedTool(): DiscoveredMCPTool {
     return new DiscoveredMCPTool(
       this.mcpTool,
@@ -251,7 +255,7 @@ export class DiscoveredMCPTool extends BaseDeclarativeTool<
       this.description,
       this.parameterSchema,
       this.trust,
-      `${this.serverName}__${this.serverToolName}`,
+      `${this.getFullyQualifiedPrefix()}${this.serverToolName}`,
       this.cliConfig,
       this.extensionName,
       this.extensionId,