Feishu IM Tool

Use the message tool with channel=feishu for all IM operations.

Send Text Message

message(action=send, channel=feishu, target=<user_id or chat_id>, message="text")

Send Image (CORRECT method)

Always use filePath or media, never paste a raw path in message text.

message(action=send, channel=feishu, target=<chat_id>, filePath="/absolute/path/to/image.jpg")

Or with caption: