diff --git a/AGENTS.md b/AGENTS.md
index 2dfe76acdf1028..6da9ced8c67ba7 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -119,13 +119,19 @@ make reset-db
 #### Development Setup
 
 ```bash
-# Start the development server
+# Start the full development server (requires devservices up)
 pnpm run dev
 
 # Start only the UI development server with hot reload
+# Proxies API requests to production sentry.io
 pnpm run dev-ui
 ```
 
+**Dev server URLs:**
+
+- Full devserver: http://dev.getsentry.net:8000
+- Frontend-only (`dev-ui`): https://sentry.dev.getsentry.net:7999/
+
 #### Typechecking
 
 Typechecking only works on the entire project. Individual files cannot be checked.