Call via POST http://127.0.0.1:3000/_get_group_notice (JSON params as the body) or WebSocket.
| Param | Type | Required | Default | Description |
|---|---|---|---|---|
group_id |
uint | ✓ | 群号 |
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.