Call via POST http://127.0.0.1:3000/mark_msg_as_read (JSON params as the body) or WebSocket.
| Param | Type | Required | Default | Description |
|---|---|---|---|---|
message_id |
messageId | ✓ | ||
target_id |
uint | – |
Returns the standard OneBot envelope; the data shape is not yet documented.
MCP-capable clients can discover and call this action directly — no hand-written HTTP. See MCP.