diff --git a/legacy/.gemini/config/mcp_config.json b/legacy/.gemini/config/mcp_config.json
new file mode 100644
index 0000000..422ea8f
--- /dev/null
+++ b/legacy/.gemini/config/mcp_config.json
@@ -0,0 +1,29 @@
+{
+  "mcpServers": {
+    "nix": {
+      "command": "nix",
+      "args": [
+        "run",
+        "github:utensils/mcp-nixos",
+        "--"
+      ]
+    },
+    "ha": {
+      "command": "nix",
+      "args": [
+        "shell",
+        "nixpkgs#uv",
+        "nixpkgs#python3",
+        "--command",
+        "uv",
+        "tool",
+        "run",
+        "ha-mcp"
+      ],
+      "env": {
+        "UV_PYTHON_DOWNLOADS": "never",
+        "UV_PYTHON_PREFERENCE": "system"
+      }
+    }
+  }
+}
diff --git a/legacy/.gemini/settings.json b/legacy/.gemini/settings.json
deleted file mode 100644
index 519e9c2..0000000
--- a/legacy/.gemini/settings.json
+++ /dev/null
@@ -1,35 +0,0 @@
-{
-  "mcpServers": {
-    "nix": {
-      "command": "nix",
-      "args": [
-        "run",
-        "github:utensils/mcp-nixos",
-        "--"
-      ]
-    },
-    "ha": {
-      "url": "${HASS_SERVER}/mcp_server/sse",
-      "headers": {
-        "Authorization": "Bearer ${HASS_TOKEN}"
-      },
-      "timeout": 5000
-    }
-  },
-  "security": {
-    "auth": {
-      "selectedType": "oauth-personal"
-    }
-  },
-  "general": {
-    "sessionRetention": {
-      "warningAcknowledged": true,
-      "enabled": true,
-      "maxAge": "30d"
-    },
-    "preferredEditor": "vim"
-  },
-  "model": {
-    "name": "auto-gemini-3"
-  }
-}