diff --git a/CLAUDE.md b/CLAUDE.md
index d45e3ed..43d1370 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -50,3 +50,7 @@ go vet ./...                            # static analysis
 - No external test frameworks — stdlib only
 - Thread safety required (`sync.Mutex`/`atomic`)
 - `internal/clock` for deterministic time testing
+
+## See also
+
+- `AGENTS.md` — universal AI agent guide with common tasks, gotchas, and ASCII diagrams