diff --git a/src/cli/generate/template.ts b/src/cli/generate/template.ts
index aa44d98..e6d4193 100644
--- a/src/cli/generate/template.ts
+++ b/src/cli/generate/template.ts
@@ -67,7 +67,11 @@ export function renderTemplate({
   const toolBlocks = renderedTools.map((entry) => entry.block).join('\n\n');
   const signatureMap = Object.fromEntries(renderedTools.map((entry) => [entry.commandName, entry.tsSignature]));
   const signatureMapLiteral = JSON.stringify(signatureMap, undefined, 2);
+  const generatedHeaderComment = `// @generated by ${generator.name}@${generator.version} on ${
+    metadata.generatedAt
+  }. DO NOT EDIT.`;
   return `#!/usr/bin/env ${runtimeKind === 'bun' ? 'bun' : 'node'}
+${generatedHeaderComment}
 ${imports}
 
 const embeddedServer = ${embedded} as const;