diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..d2fc6c4
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,23 @@
+# Python virtual environment
+.venv/
+venv/
+env/
+
+# Secrets
+.env
+
+# Local import state
+imported-osmcal-events.json
+*.json.broken
+
+# Python cache
+__pycache__/
+*.pyc
+
+# Local logs
+*.log
+
+# Mobilizon setup/token files
+mobilizon-app.json
+mobilizon-token.json
+mobilizon-device.json