diff --git a/.gitignore b/.gitignore
index 5203e135..ba69b18b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -335,3 +335,6 @@ ASALocalRun/
 
 # MFractors (Xamarin productivity tool) working folder
 .mfractor/
+
+# Claude Code session data (agent worktrees, local settings)
+.claude/