diff --git a/README.md b/README.md
index 8d8d03c..d45e0b0 100644
--- a/README.md
+++ b/README.md
@@ -95,10 +95,14 @@ uvx mcp add nextcloud-mcp http://localhost:8000 --default-transport sse
 
 You can then interact with the server's tools and resources through your LLM interface connected to `uvx`.
 
+## References:
+
+- https://github.com/modelcontextprotocol/python-sdk
+
 ## Contributing
 
 Contributions are welcome! Please feel free to submit issues or pull requests on the [GitHub repository](https://github.com/cbcoutinho/nextcloud-mcp-server).
 
 ## License
 
-This project is licensed under the MIT License. See the LICENSE file for details.
\ No newline at end of file
+This project is licensed under the MIT License. See the LICENSE file for details.