diff --git a/src/curated-extensions.ts b/src/curated-extensions.ts
index 86a822041..98e500498 100644
--- a/src/curated-extensions.ts
+++ b/src/curated-extensions.ts
@@ -1,12 +1,27 @@
 import { ExternalExtension } from "./types";
-import extensions from "./extensions.json";
+import curatedExtension from "./extensions.json";
+
+type ExtensionJSON = {
+  extensionFlagValue: string;
+  repository: string;
+  branch?: string;
+  // fields usefull for scaffoldeth.io
+  description: string;
+  version?: string; // if not present we default to latest
+  name?: string; // human redable name, if not present we default to branch or extensionFlagValue on UI
+};
+
+const extensions: ExtensionJSON[] = curatedExtension;
 
 const CURATED_EXTENSIONS = extensions.reduce<Record<string, ExternalExtension>>((acc, ext) => {
-  if (!ext.branch || !ext.repository || !ext.description) {
-    throw new Error(`Extension missing required fields: ${JSON.stringify(ext)}`);
+  if (!ext.repository) {
+    throw new Error(`Extension must have 'repository': ${JSON.stringify(ext)}`);
+  }
+  if (!ext.extensionFlagValue) {
+    throw new Error(`Extension must have 'extensionFlagValue': ${JSON.stringify(ext)}`);
   }
 
-  acc[ext.branch] = {
+  acc[ext.extensionFlagValue] = {
     repository: ext.repository,
     branch: ext.branch,
   };
diff --git a/src/extensions.json b/src/extensions.json
index 018f03007..514820450 100644
--- a/src/extensions.json
+++ b/src/extensions.json
@@ -1,35 +1,42 @@
 [
   {
+    "extensionFlagValue": "subgraph",
     "description": "This Scaffold-ETH 2 extension helps you build and test subgraphs locally for your contracts. It also enables interaction with the front-end and facilitates easy deployment to Subgraph Studio.",
     "repository": "https://github.com/scaffold-eth/create-eth-extensions",
     "branch": "subgraph"
   },
   {
+    "extensionFlagValue": "eip-712",
     "description": "An implementation of EIP-712, allowing you to send, sign, and verify typed messages in a user-friendly manner.",
     "repository": "https://github.com/scaffold-eth/create-eth-extensions",
     "branch": "eip-712"
   },
   {
+    "extensionFlagValue": "ponder",
     "description": "This Scaffold-ETH 2 extension comes pre-configured with ponder.sh, providing an example to help you get started quickly.",
     "repository": "https://github.com/scaffold-eth/create-eth-extensions",
     "branch": "ponder"
   },
   {
+    "extensionFlagValue": "onchainkit",
     "description": "This Scaffold-ETH 2 extension comes pre-configured with onchainkit, providing an example to help you get started quickly.",
     "repository": "https://github.com/scaffold-eth/create-eth-extensions",
     "branch": "onchainkit"
   },
   {
+    "extensionFlagValue": "erc-20",
     "description": "This extension introduces an ERC-20 token contract and demonstrates how to interact with it, including getting a holder balance and transferring tokens.",
     "repository": "https://github.com/scaffold-eth/create-eth-extensions",
     "branch": "erc-20"
   },
   {
+    "extensionFlagValue": "eip-5792",
     "description": "This extension demonstrates on how to use EIP-5792 wallet capabilities. This EIP introduces new JSON-RPC methods for sending multiple calls from the user wallet, and checking their status",
     "repository": "https://github.com/scaffold-eth/create-eth-extensions",
     "branch": "eip-5792"
   },
   {
+    "extensionFlagValue": "randao",
     "description": "This extension shows how to use on-chain randomness using RANDAO for truly on-chain unpredictable random sources.",
     "repository": "https://github.com/scaffold-eth/create-eth-extensions",
     "branch": "randao"