diff --git a/README.md b/README.md
index 434e3f0..e592127 100644
--- a/README.md
+++ b/README.md
@@ -527,6 +527,13 @@ See [CLAUDE.md](CLAUDE.md) for repo structure and contributor notes.
 
 ---
 
+## Known limitations
+
+- **Single entry point** — only one preview URL or start command per run is supported; multiple entry points are planned.
+- **LLM provider** — tested with Anthropic; other providers may work but aren't officially supported yet.
+
+---
+
 ## Roadmap
 
 - **Multiple preview URL support** — currently GitGlimpse accepts a single preview URL per run; planned support for specifying multiple starting points so a single PR can record demos across several routes or environments simultaneously.