diff --git a/AGENTS.md b/AGENTS.md
index 4468cac2f..9e511356e 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -55,6 +55,10 @@ This file is the single source of truth for agents entering this repository. Rea
 - Orchestration layers (`tools-dev`, future `tools-pack`, packaged launchers) must call package primitives; do not hand-build `--od-stamp-*` args or process-scan regexes.
 - Default runtime files live under `<project-root>/.tmp/<source>/<namespace>/...`; POSIX IPC sockets are fixed at `/tmp/open-design/ipc/<namespace>/<app>.sock`.
 
+## Git commit policy
+
+- Git commits must not include `Co-authored-by` trailers or any other co-author metadata.
+
 ## Validation strategy
 
 - After package, workspace, or command-entry changes, run `pnpm install` so workspace links and generated dist entries stay fresh.
diff --git a/CLAUDE.md b/CLAUDE.md
new file mode 100644
index 000000000..43c994c2d
--- /dev/null
+++ b/CLAUDE.md
@@ -0,0 +1 @@
+@AGENTS.md