Document tool selection

Author: Haakam21

README.md

@@ -23,3 +23,23 @@ Get your API key from [AgentMail](https://agentmail.to)
     }
 }
 ```
+
+## Tool Selection
+
+By default, all available tools are loaded. You can selectively enable specific tools using the `--tools` argument with a comma-separated list of tool names.
+
+### Example
+
+```json
+{
+    "mcpServers": {
+        "AgentMail": {
+            "command": "npx",
+            "args": ["-y", "agentmail-mcp", "--tools", "get_message,send_message,reply_to_message"],
+            "env": {
+                "AGENTMAIL_API_KEY": "YOUR_API_KEY"
+            }
+        }
+    }
+}
+```