diff --git a/scripts/generate-review-builtin.ts b/scripts/generate-review-builtin.ts
index 26a08233b..071554091 100644
--- a/scripts/generate-review-builtin.ts
+++ b/scripts/generate-review-builtin.ts
@@ -15,6 +15,7 @@ import path from 'path'
 import { fileURLToPath } from 'url'
 import { spawnSync } from 'child_process'
 import matter from 'gray-matter'
+import { mkdir } from 'fs/promises'
 
 const __filename = fileURLToPath(import.meta.url)
 const __dirname = path.dirname(__filename)
@@ -280,6 +281,7 @@ export async function extractBundledSkill(skillName: string, targetDir: string,
 }
 `
 
+  await mkdir(path.dirname(builtinSkillsFile), { recursive: true })
   await fs.writeFile(builtinSkillsFile, content, 'utf-8')
   console.log(`\n✓ Generated ${builtinSkillsFile}`)
 }
@@ -426,6 +428,7 @@ export const PRIMARY_REVIEW_AGENT = ${JSON.stringify(primaryAgent)}
 export const SUB_REVIEW_AGENT = ${JSON.stringify(subAgent)}
 `
 
+  await mkdir(path.dirname(builtinAgentsFile), { recursive: true })
   await fs.writeFile(builtinAgentsFile, content, 'utf-8')
   console.log(`✓ Generated ${builtinAgentsFile}`)
 }