diff --git a/replacements.mainnet.json b/replacements.mainnet.json
new file mode 100644
index 000000000..6922ac76d
--- /dev/null
+++ b/replacements.mainnet.json
@@ -0,0 +1,7 @@
+{
+  "REPL_DEVHUB": "devgovgigs.near",
+  "REPL_DEVHUB_CONTRACT": "devgovgigs.near",
+  "REPL_NEAR": "near",
+  "REPL_MOB": "mob.near",
+  "REPL_EFIZ": "efiz.near"
+}