diff --git a/TODO.txt b/TODO.txt
index 6761318..6fcb212 100644
--- a/TODO.txt
+++ b/TODO.txt
@@ -24,7 +24,7 @@
 [x] `toes start <app>`
 [x] `toes stop <app>`
 [x] `toes restart <app>`
-[ ] `toes open <app>`
+[x] `toes open <app>`
 [ ] `toes logs <app>`
 [ ] `toes new`
 [ ] `toes pull`
diff --git a/src/cli/index.ts b/src/cli/index.ts
index dc02928..d334077 100644
--- a/src/cli/index.ts
+++ b/src/cli/index.ts
@@ -57,6 +57,20 @@ const restartApp = async (app: string) => {
   await post(`/api/apps/${app}/restart`)
 }
 
+async function openApp(name: string) {
+  const app: App | undefined = await get(`/api/apps/${name}`)
+  if (!app) {
+    console.error(`App not found: ${name}`)
+    return
+  }
+  if (app.state !== 'running') {
+    console.error(`App is not running: ${name}`)
+    return
+  }
+  const url = `http://localhost:${app.port}`
+  console.log(`Opening ${url}`)
+  Bun.spawn(['open', url])
+}
 
 program
   .name('toes')
@@ -79,13 +93,18 @@ program
   .argument('<name>', 'app name')
   .action(stopApp)
 
-
 program
   .command('restart')
   .description('Restart an app')
   .argument('<name>', 'app name')
   .action(restartApp)
 
+program
+  .command('open')
+  .description('Open an app in browser')
+  .argument('<name>', 'app name')
+  .action(openApp)
+
 program
   .command('new')
   .description('Create a new app')
diff --git a/src/server/index.tsx b/src/server/index.tsx
index 92e84cf..9220597 100644
--- a/src/server/index.tsx
+++ b/src/server/index.tsx
@@ -1,7 +1,16 @@
 import { allApps, initApps, onChange, startApp, stopApp, updateAppIcon } from '$apps'
 import type { App as SharedApp } from '@types'
+import type { App as BackendApp } from '$apps'
 import { Hype } from 'hype'
 
+// BackendApp -> SharedApp
+function convert(app: BackendApp): SharedApp {
+  const clone = { ...app }
+  delete clone.proc
+  delete clone.logs
+  return clone
+}
+
 const app = new Hype({ layout: false })
 
 // SSE endpoint for real-time app state updates
@@ -47,14 +56,18 @@ app.get('/api/apps/stream', c => {
   })
 })
 
-app.get('/api/apps', c => {
-  const apps = allApps().map(app => {
-    const clone = { ...app }
-    delete clone.proc
-    delete clone.logs
-    return clone
-  })
-  return c.json(apps)
+app.get('/api/apps', c =>
+  c.json(allApps().map(convert))
+)
+
+app.get('/api/apps/:app', c => {
+  const appName = c.req.param('app')
+  if (!appName) return c.json({ error: 'App not found' }, 404)
+
+  const app = allApps().find(a => a.name === appName)
+  if (!app) return c.json({ error: 'App not found' }, 404)
+
+  return c.json(convert(app))
 })
 
 app.post('/api/apps/:app/start', c => {