diff --git a/configs/mcp_config.json b/configs/mcp_config.json
new file mode 100644
index 0000000..5e02569
--- /dev/null
+++ b/configs/mcp_config.json
@@ -0,0 +1,12 @@
+{
+    "calculator": {
+        "command": "python",
+        "args": ["dummy/calculator.py"],
+        "transport": "stdio"
+    },
+    "rag": {
+        "command": "python",
+        "args": ["lang_agent/rag/simple.py"],
+        "transport": "stdio"
+    }
+}
\ No newline at end of file