Feishu (Lark)

Create a Feishu App

1. Go to Feishu Open Platform
2. Create a new custom app
3. Note the App ID and App Secret from the app credentials page

Configure Permissions

Add the following permissions to your app:

• im:message — Send and receive messages
• im:message.group_at_msg — Receive @mentions in groups
• im:resource — Access media resources

Set Up Event Subscription

1. In your app settings, go to Event Subscriptions
2. Configure the request URL to point to your OpenBee server
3. Subscribe to the im.message.receive_v1 event

Configure OpenBee

Add to your config.yaml:

bee:
  platforms:
    feishu:
      enabled: true
      app_id: "your-app-id"
      app_secret: "your-app-secret"
      max_media_size: 104857600  # 100MB, optional

Publish the App

1. Submit your app for review in the Feishu Open Platform
2. Once approved, users can find and message your bot

Media Support

Feishu supports sending and receiving media files (images, documents, audio, video) up to the configured max_media_size (default 100MB). OpenBee uses FFprobe/FFmpeg for media processing when available.