diff --git a/app/.codex/config.toml b/app/.codex/config.toml
new file mode 100644
index 00000000..5f9e6911
--- /dev/null
+++ b/app/.codex/config.toml
@@ -0,0 +1,2 @@
+  [mcp_servers.rider]
+    url = "http://127.0.0.1:64482/stream"
diff --git a/runtime/.codex/config.toml b/runtime/.codex/config.toml
new file mode 100644
index 00000000..917ef44f
--- /dev/null
+++ b/runtime/.codex/config.toml
@@ -0,0 +1,2 @@
+  [mcp_servers.rustrover]
+    url = "http://127.0.0.1:64522/stream"