diff --git a/.mcp.json b/.mcp.json
new file mode 100644
index 0000000..3d89edc
--- /dev/null
+++ b/.mcp.json
@@ -0,0 +1,16 @@
+{
+  "mcpServers": {
+    "nixos-options": {
+      "command": "nix",
+      "args": [
+        "run",
+        ".",
+        "--",
+        "serve"
+      ],
+      "env": {
+        "NIXOS_OPTIONS_DATABASE": "sqlite://:memory:"
+      }
+    }
+  }
+}