diff --git a/packages/agent-runtime/index.d.ts b/packages/agent-runtime/index.d.ts
new file mode 100644
index 0000000..0000b12
--- /dev/null
+++ b/packages/agent-runtime/index.d.ts
@@ -0,0 +1 @@
+export declare const AGENT_RUNTIME_PACKAGE = "agent-runtime";
diff --git a/packages/agent-runtime/index.js b/packages/agent-runtime/index.js
new file mode 100644
index 0000000..2da7fd4
--- /dev/null
+++ b/packages/agent-runtime/index.js
@@ -0,0 +1 @@
+export const AGENT_RUNTIME_PACKAGE = "agent-runtime";
diff --git a/packages/agent-runtime/package.json b/packages/agent-runtime/package.json
index 849a4e3..ae3fd7a 100644
--- a/packages/agent-runtime/package.json
+++ b/packages/agent-runtime/package.json
@@ -4,6 +4,9 @@
   "private": true,
   "type": "module",
   "exports": {
-    ".": "./src/index.ts"
+    ".": {
+      "types": "./index.d.ts",
+      "default": "./index.js"
+    }
   }
 }
diff --git a/packages/shared/src/smoke.test.ts b/packages/shared/src/smoke.test.ts
index 28cbc53..f198d25 100644
--- a/packages/shared/src/smoke.test.ts
+++ b/packages/shared/src/smoke.test.ts
@@ -1,8 +1,28 @@
+import { execFile } from "node:child_process";
+import { promisify } from "node:util";
 import { describe, expect, it } from "vitest";
 import { AGENT_RUNTIME_PACKAGE } from "@aiquant/agent-runtime";
 
+const execFileAsync = promisify(execFile);
+
 describe("workspace smoke test", () => {
   it("resolves cross-workspace package exports", () => {
     expect(AGENT_RUNTIME_PACKAGE).toBe("agent-runtime");
   });
+
+  it("allows plain node to import the workspace package", async () => {
+    const { stdout } = await execFileAsync(
+      process.execPath,
+      [
+        "--input-type=module",
+        "--eval",
+        "import('@aiquant/agent-runtime').then((mod) => console.log(mod.AGENT_RUNTIME_PACKAGE));",
+      ],
+      {
+        cwd: new URL("..", import.meta.url),
+      },
+    );
+
+    expect(stdout.trim()).toBe("agent-runtime");
+  });
 });