diff --git a/.gitignore b/.gitignore
index aea768b2..80724ced 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,6 @@
+# Development worktrees
+.worktrees/
+
 # The directory Mix will write compiled artifacts to.
 /_build/
 
@@ -74,3 +77,9 @@ profiles.json
 /c_src/*.o
 /.expert/
 
+
+# Gas Town (added by gt)
+.runtime/
+.claude/
+.beads/
+.logs/