diff --git a/src/index.ts b/src/index.ts
index 8bfd8ba..8679b10 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,11 +1,21 @@
 import { createRequire } from 'node:module'
-import { defineCommand, runMain } from 'citty'
+import { defineCommand, runMain, showUsage } from 'citty'
 import { checkEnvCommand } from './commands/check-env.js'
 import { createAppCommand } from './commands/create-app.js'
 
 const require = createRequire(import.meta.url)
 const pkg = require('../package.json')
 
+const helpCommand = defineCommand({
+  meta: {
+    name: 'help',
+    description: 'Show all available commands',
+  },
+  async run() {
+    await showUsage(main)
+  },
+})
+
 const main = defineCommand({
   meta: {
     name: 'chaibuilder-app',
@@ -15,6 +25,7 @@ const main = defineCommand({
   subCommands: {
     create: createAppCommand,
     'check-env': checkEnvCommand,
+    help: helpCommand,
   },
 })