Transport Modes
stdio vs WebSocket — pick the right wire for your client.
# Transport Modes
| Mode | Flag | Protocol | Use Case |
|---|---|---|---|
| **stdio** | *(default)* | JSON-RPC 2.0 / stdio | Claude Desktop, Cursor, VS Code Copilot, Antigravity |
| **WebSocket** | `--ws` | JSON-RPC 2.0 / WebSocket | Custom agents, Python/Go backends, remote daemons, n8n |
## stdio (Default)
The MCP client spawns Weavetab as a child process and pipes messages over stdin/stdout. No network port is opened:
```json
{
"mcpServers": {
"weavetab": {
"command": "weavetab"
}
}
}
```
## WebSocket
```bash
weavetab --ws --port 3000
```
WebSocket mode binds strictly to `127.0.0.1` for local security. Front it with your own TLS/auth layer if exposing across a private network.