diff --git a/.cspell.json b/.cspell.json
index a24a60a..d220b84 100644
--- a/.cspell.json
+++ b/.cspell.json
@@ -35,8 +35,7 @@
     "WXDAI",
     "XDAI",
     "xmark",
-    
-
+    "SUPABASE"
   ],
   "dictionaries": ["typescript", "node", "software-terms", "html"],
   "import": ["@cspell/dict-typescript/cspell-ext.json", "@cspell/dict-node/cspell-ext.json", "@cspell/dict-software-terms"],
diff --git a/.env.example b/.env.example
index e49d79a..6ee8810 100644
--- a/.env.example
+++ b/.env.example
@@ -1 +1,2 @@
-MY_SECRET="MY_SECRET"
+SUPABASE_URL=""
+SUPBASE_ANON_KEY=""
diff --git a/.gitmodules b/.gitmodules
index 58889d8..c93a2e2 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -2,3 +2,7 @@
 	path = lib/ubiquibot
 	url = https://github.com/ubiquity/ubiquibot
 	branch = development
+[submodule "lib/chainlist"]
+	path = lib/chainlist
+	url = https://github.com/DefiLlama/chainlist.git
+	branch = main
diff --git a/build/esbuild-build.ts b/build/esbuild-build.ts
index 0224a6f..d82f4de 100644
--- a/build/esbuild-build.ts
+++ b/build/esbuild-build.ts
@@ -1,9 +1,20 @@
 // @ts-expect-error - Could not find a declaration file for module
+import extraRpcs from "../lib/chainlist/constants/extraRpcs";
 import esbuild from "esbuild";
+import * as dotenv from "dotenv";
 const typescriptEntries = ["static/scripts/onboarding/onboarding.ts"];
 const cssEntries = ["static/styles/rewards/rewards.css", "static/styles/audit-report/audit.css", "static/styles/onboarding/onboarding.css"];
 export const entries = [...typescriptEntries, ...cssEntries];
 
+const allNetworkUrls: Record<string, string[]> = {};
+// this flattens all the rpcs into a single object, with key names that match the networkIds. The arrays are just of URLs per network ID.
+
+Object.keys(extraRpcs).forEach((networkId) => {
+  const officialUrls = extraRpcs[networkId].rpcs.filter((rpc) => typeof rpc === "string");
+  const extraUrls: string[] = extraRpcs[networkId].rpcs.filter((rpc) => rpc.url !== undefined).map((rpc) => rpc.url);
+  allNetworkUrls[networkId] = [...officialUrls, ...extraUrls];
+});
+
 export const esBuildContext: esbuild.BuildOptions = {
   sourcemap: true,
   entryPoints: entries,
@@ -18,6 +29,7 @@ export const esBuildContext: esbuild.BuildOptions = {
     ".svg": "dataurl",
   },
   outdir: "static/out",
+  define: createEnvDefines(["SUPABASE_URL", "SUPABASE_ANON_KEY"], { allNetworkUrls }),
 };
 
 esbuild
@@ -29,3 +41,23 @@ esbuild
     console.error(err);
     process.exit(1);
   });
+
+function createEnvDefines(envVarNames: string[], extras: Record<string, unknown>): Record<string, string> {
+  const defines: Record<string, string> = {};
+  dotenv.config();
+  for (const name of envVarNames) {
+    const envVar = process.env[name];
+    if (envVar !== undefined) {
+      defines[name] = JSON.stringify(envVar);
+    } else {
+      throw new Error(`Missing environment variable: ${name}`);
+    }
+  }
+  for (const key in extras) {
+    if (Object.prototype.hasOwnProperty.call(extras, key)) {
+      defines[key] = JSON.stringify(extras[key]);
+    }
+  }
+  defines["extraRpcs"] = JSON.stringify(allNetworkUrls);
+  return defines;
+}
diff --git a/lib/chainlist b/lib/chainlist
new file mode 160000
index 0000000..8059283
--- /dev/null
+++ b/lib/chainlist
@@ -0,0 +1 @@
+Subproject commit 805928372c7a97eec513e8c74c344dd759f07e1c