diff --git a/AGENTS.md b/AGENTS.md
index c83966858..02b1c4cb7 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -2,6 +2,12 @@
 - The default branch in this repo is `dev`.
 - Local `main` ref may not exist; use `dev` or `origin/dev` for diffs.
 
+## Branch Names
+
+Use a short branch name of at most three words, separated by hyphens. Do not use slashes or type prefixes such as `feat/` or `fix/`.
+
+Examples: `session-recovery`, `fix-scroll-state`, `regenerate-sdk`.
+
 ## Commits and PR Titles
 
 Use conventional commit-style messages and PR titles: `type(scope): summary`.