diff --git a/.gitignore b/.gitignore
index 8820513..701921b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -32,3 +32,7 @@ test-result/
 local.nix
 flake.lock.bak
 .todos/
+
+# AI agent state directories
+.sidecar/
+.sisyphus/