diff --git a/README.md b/README.md
new file mode 100644
index 0000000..624c696
--- /dev/null
+++ b/README.md
@@ -0,0 +1,3 @@
+This tool aims to simplify setting up local reproduction environments for writing and testing Sentinel policies.
+
+At present, navigate to your sentinel policy directory (containing the .hcl) and run `main.js` there.