diff --git a/science/ai/mcp/docs/presentations.txt b/science/ai/mcp/docs/presentations.txt
new file mode 100644
index 000000000..c11b522f0
--- /dev/null
+++ b/science/ai/mcp/docs/presentations.txt
@@ -0,0 +1,2 @@
+2025
+https://wearecommunity.io/events/what-is-an-mcp-server-and-how-and-why-it-works/talks/93055
diff --git a/science/ai/orchestrators/llamaindex/features/chunking.txt b/science/ai/orchestrators/llamaindex/features/chunking.txt
new file mode 100644
index 000000000..e97d04cda
--- /dev/null
+++ b/science/ai/orchestrators/llamaindex/features/chunking.txt
@@ -0,0 +1,3 @@
+2024
+https://medium.com/@bavalpreetsinghh/llamaindex-chunking-strategies-for-large-language-models-part-1-ded1218cfd30
+    https://colab.research.google.com/drive/1X_CtnCFswQIEqUOF5R2sINu-IA8CttAd?usp=sharing