docs: update

Author: damassi

README.md

@@ -30,7 +30,9 @@ make start
 make dev
 ```
 
-Additional MCP servers are configured in `agent-chat-cli.config.yaml` and prompts added within the `prompts` folder. By default, MCP servers are loaded dynamically via inference; set `mcp_server_inference: false` to load all servers at startup.
+Additional MCP servers are configured in `agent-chat-cli.config.yaml` and prompts added within the `prompts` folder.
+
+Optionally, MCP servers can be lazy-loaded via chat inference, which is useful if you have many MCP servers or MCP servers with many tools; set `mcp_server_inference: true` to enable it.
 
 ## Development