diff --git a/.env.example b/.env.example
index 1e257c3c..11edd66a 100644
--- a/.env.example
+++ b/.env.example
@@ -1,2 +1,5 @@
 ALPHA_VANTAGE_API_KEY=alpha_vantage_api_key_placeholder
-OPENAI_API_KEY=openai_api_key_placeholder
\ No newline at end of file
+OPENAI_API_KEY=openai_api_key_placeholder
+CLAUDE_API_KEY=claude_api_key_placeholder
+GEMINI_API_KEY=gemini_api_key_placeholder
+OPENROUTER_API_KEY=openrouter_api_key_placeholder
\ No newline at end of file