diff --git a/README.md b/README.md
index 8c6ab3a..0fb225d 100644
--- a/README.md
+++ b/README.md
@@ -122,6 +122,8 @@ Add to Claude Desktop config:
 }
 ```
 
+>💡 Tip: If you’re running n8n locally on the same machine (e.g., via Docker), use http://host.docker.internal:5678 as the N8N_API_URL.
+
 > **Note**: The n8n API credentials are optional. Without them, you'll have access to all documentation and validation tools. With them, you'll additionally get workflow management capabilities (create, update, execute workflows).
 
 **Important:** The `-i` flag is required for MCP stdio communication.
@@ -189,6 +191,8 @@ Add to Claude Desktop config:
 
 > **Note**: The n8n API credentials can be configured either in a `.env` file (create from `.env.example`) or directly in the Claude config as shown above.
 
+> 💡 Tip: If you’re running n8n locally on the same machine (e.g., via Docker), use http://host.docker.internal:5678 as the N8N_API_URL.
+
 ## 🤖 Claude Project Setup
 
 For the best results when using n8n-MCP with Claude Projects, use these enhanced system instructions:
@@ -571,4 +575,4 @@ Contributions are welcome! Please:
 <div align="center">
   <strong>Built with ❤️ for the n8n community</strong><br>
   <sub>Making AI + n8n workflow creation delightful</sub>
-</div>
\ No newline at end of file
+</div>