update readme

README.md

@@ -2,6 +2,8 @@
 
 
 # Install
+1. Install `xiaoliang-catering` for carttool support; otherwise, comment out in `lang_agent/tool_manager.py`
+
 ```bash
 # for developement
 python -m pip install -e .
@@ -12,3 +14,13 @@ python -m pip install .
 
 # Runables
 all runnables are under scripts
+
+# Start all mcps to websocket
+1. Source all env variable
+2. run the below
+```bash
+python scripts/start_mcp_server.py
+
+# update configs/ws_mcp_config.json with link from the command above
+python scripts/ws_start_register_tools.py
+```