Add Stitch MCP configuration using environment variables

home/sam/home.nix

@@ -235,6 +235,23 @@ dconf.settings."org/gnome/desktop/interface" = {
 };
 
 
+  programs.opencode = {
+    enable = true;
+    settings = {
+      mcpServers = {
+        stitch = {
+          command = "npx";
+          args = [ "-y" "@google/stitch-mcp-server" ];
+          env = {
+            # This pulls the key from your shell environment 
+            # instead of hardcoding it in the Nix file
+            STITCH_API_KEY = builtins.getEnv "STITCH_API_KEY";
+          };
+        };
+      };
+    };
+  }; 
+
   # ---
   # Shell (zsh + oh-my-zsh + powerlevel10k)
   # ---