diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b843b40
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,8 @@
+harness.db
+harness/harness.db
+*.db-wal
+*.db-shm
+venv/
+.agent/
+__pycache__/
+/tmp/