diff --git a/diagnostics/.gitignore b/diagnostics/.gitignore
new file mode 100644
index 0000000..5e7d273
--- /dev/null
+++ b/diagnostics/.gitignore
@@ -0,0 +1,4 @@
+# Ignore everything in this directory
+*
+# Except this file
+!.gitignore
diff --git a/dmoore_params/.gitignore b/dmoore_params/.gitignore
new file mode 100644
index 0000000..5e7d273
--- /dev/null
+++ b/dmoore_params/.gitignore
@@ -0,0 +1,4 @@
+# Ignore everything in this directory
+*
+# Except this file
+!.gitignore