diff --git a/opencode.jsonc b/opencode.jsonc
index f202177..c63927c 100644
--- a/opencode.jsonc
+++ b/opencode.jsonc
@@ -3,7 +3,10 @@
   "mcp": {
     "tanstack": {
       "type": "remote",
-      "url": "https://tanstack.com/api/mcp"
+      "url": "https://tanstack.com/api/mcp",
+      "headers": {
+        "Authorization": "Bearer {env:TANSTACK_API_KEY}"
+      }
     }
   }
 }