diff --git a/packages/core/src/blitzkit/assertSecret.ts b/packages/core/src/blitzkit/assertSecret.ts
deleted file mode 100644
index 934379286..000000000
--- a/packages/core/src/blitzkit/assertSecret.ts
+++ /dev/null
@@ -1,4 +0,0 @@
-export function assertSecret<Type>(secret?: Type) {
-  if (secret === undefined) throw new Error("Missing secret");
-  return secret;
-}
diff --git a/packages/core/src/index.ts b/packages/core/src/index.ts
index d070608a3..3adddc0bf 100644
--- a/packages/core/src/index.ts
+++ b/packages/core/src/index.ts
@@ -7,3 +7,4 @@ export * from "./protobuf";
 export * from "./statistics";
 export * from "./streams";
 export * from "./types";
+export * from "./secrets";
diff --git a/packages/core/src/secrets/hasSecret.ts b/packages/core/src/secrets/hasSecret.ts
new file mode 100644
index 000000000..49c49dd66
--- /dev/null
+++ b/packages/core/src/secrets/hasSecret.ts
@@ -0,0 +1,5 @@
+import { PassableSecretName } from "./secret";
+
+export function hasSecret(name: PassableSecretName) {
+  return name in import.meta.env;
+}
diff --git a/packages/core/src/secrets/index.ts b/packages/core/src/secrets/index.ts
new file mode 100644
index 000000000..36c5d98c8
--- /dev/null
+++ b/packages/core/src/secrets/index.ts
@@ -0,0 +1,3 @@
+export * from "./secret";
+export * from "./hasSecret";
+export * from "./wellKnown";
diff --git a/packages/core/src/secrets/secret.ts b/packages/core/src/secrets/secret.ts
new file mode 100644
index 000000000..b4fb3b637
--- /dev/null
+++ b/packages/core/src/secrets/secret.ts
@@ -0,0 +1,38 @@
+import { hasSecret } from "./hasSecret";
+import { WellKnownSecret } from "./wellKnown";
+
+export enum SecretType {
+  String,
+  Number,
+}
+
+export type PassableSecretName = WellKnownSecret | (string & {});
+
+export function secret(
+  name: PassableSecretName,
+  type?: SecretType.String,
+): string;
+
+export function secret(
+  name: PassableSecretName,
+  type: SecretType.Number,
+): number;
+
+export function secret(
+  name: WellKnownSecret | (string & {}),
+  type = SecretType.String,
+) {
+  if (!hasSecret(name)) {
+    throw new Error(`Secret "${name}" not defined`);
+  }
+
+  const value = import.meta.env[name];
+
+  switch (type) {
+    case SecretType.String:
+      return value;
+
+    case SecretType.Number:
+      return Number(value);
+  }
+}
diff --git a/packages/core/src/secrets/wellKnown.ts b/packages/core/src/secrets/wellKnown.ts
new file mode 100644
index 000000000..2f6e77f70
--- /dev/null
+++ b/packages/core/src/secrets/wellKnown.ts
@@ -0,0 +1,10 @@
+export type WellKnownSecret =
+  | "BUILD_CHUNK"
+  | "TEXTURE_CHUNKS"
+  | "TEMP"
+  | "WOTB_SERVER"
+  | "WOTB_VERSION"
+  | "PUBLIC_WOTB_CLIENT"
+  | "WOTB_USMAP"
+  | "GOOGLE_APPLICATION_CREDENTIALS"
+  | "PUBLIC_GOOGLE_ANALYTICS_PROPERTY_ID";