diff --git a/src/cli/index.ts b/src/cli/index.ts
index 826312f..19e7455 100755
--- a/src/cli/index.ts
+++ b/src/cli/index.ts
@@ -40,7 +40,7 @@ async function get<T>(url: string): Promise<T | undefined> {
   }
 }
 
-async function getManifest(appName: string): Promise<{ exists: boolean; manifest?: Manifest } | null> {
+async function getManifest(appName: string): Promise<{ exists: boolean, manifest?: Manifest } | null> {
   try {
     const res = await fetch(makeUrl(`/api/sync/apps/${appName}/manifest`))
     if (res.status === 404) return { exists: false }
@@ -276,7 +276,7 @@ async function getApp(name: string) {
   console.log(color.green(`✓ Downloaded ${name}`))
 }
 
-function getAppPackage(): { name?: string; scripts?: { toes?: string } } | null {
+function getAppPackage(): { name?: string, scripts?: { toes?: string } } | null {
   try {
     return JSON.parse(readFileSync(join(process.cwd(), 'package.json'), 'utf-8'))
   } catch {
@@ -579,7 +579,7 @@ async function syncApp() {
 
       for (const line of lines) {
         if (!line.startsWith('data: ')) continue
-        const event = JSON.parse(line.slice(6)) as { type: 'change' | 'delete'; path: string; hash?: string }
+        const event = JSON.parse(line.slice(6)) as { type: 'change' | 'delete', path: string, hash?: string }
 
         if (event.type === 'change') {
           // Skip if we already have this version (handles echo from our own changes)
@@ -621,6 +621,37 @@ async function prompt(message: string): Promise<string> {
   })
 }
 
+async function renameApp(arg: string | undefined, newName: string) {
+  const name = resolveAppName(arg)
+  if (!name) return
+
+  const result = await getManifest(name)
+  if (result === null) return
+  if (!result.exists) {
+    console.error(`App not found on server: ${name}`)
+    return
+  }
+
+  const expected = `sudo rename ${name} ${newName}`
+  console.log(`This will rename ${color.bold(name)} to ${color.bold(newName)}.`)
+  const answer = await prompt(`Type "${expected}" to confirm: `)
+
+  if (answer !== expected) {
+    console.log('Aborted.')
+    return
+  }
+
+  const response = await post<{ ok: boolean, error?: string, name?: string }>(`/api/apps/${name}/rename`, { name: newName })
+  if (!response) return
+
+  if (!response.ok) {
+    console.error(color.red(`Error: ${response.error}`))
+    return
+  }
+
+  console.log(color.green(`✓ Renamed ${name} to ${response.name}`))
+}
+
 async function rmApp(arg?: string) {
   const name = resolveAppName(arg)
   if (!name) return
@@ -752,4 +783,11 @@ program
   .argument('[name]', 'app name (uses current directory if omitted)')
   .action(rmApp)
 
+program
+  .command('rename')
+  .description('Rename an app')
+  .argument('[name]', 'app name (uses current directory if omitted)')
+  .argument('<new-name>', 'new app name')
+  .action(renameApp)
+
 program.parse()
\ No newline at end of file
diff --git a/src/client/index.tsx b/src/client/index.tsx
index f5a9719..b67b0a8 100644
--- a/src/client/index.tsx
+++ b/src/client/index.tsx
@@ -623,7 +623,7 @@ async function doRenameApp(input: HTMLInputElement) {
     })
 
     const text = await res.text()
-    let data: { ok?: boolean; error?: string; name?: string }
+    let data: { ok?: boolean, error?: string, name?: string }
     try {
       data = JSON.parse(text)
     } catch {