diff --git a/packages/agoric-cli/src/sdk-package-names.js b/packages/agoric-cli/src/sdk-package-names.js
index 70e5eec1242..5dbb751eefe 100644
--- a/packages/agoric-cli/src/sdk-package-names.js
+++ b/packages/agoric-cli/src/sdk-package-names.js
@@ -5,6 +5,7 @@ export default [
   "@agoric/async-flow",
   "@agoric/base-zone",
   "@agoric/benchmark",
+  "@agoric/benchmark-test",
   "@agoric/boot",
   "@agoric/builders",
   "@agoric/cache",
diff --git a/packages/benchmark-test/benchmark.js b/packages/benchmark-test/benchmark.js
deleted file mode 100644
index 91ccca984c5..00000000000
--- a/packages/benchmark-test/benchmark.js
+++ /dev/null
@@ -1,35 +0,0 @@
-// import { performance } from 'perf_hooks';
-const performance = { now: () => Date.now() };
-
-
-async function benchmark(name, t, fn, expedtedTime, iterations = 10000) {
-    const start = performance.now();  // 3
-    for (let i = 0; i < iterations; i++) {
-      await fn();
-    }
-    const end = performance.now(); // 8
-    const avgTime =  (end - start) / iterations; 
-  
-    console.log(`${name} | Average time: ${avgTime}ms`);
-    t.assert(avgTime < expedtedTime, `Expected ${avgTime} to be less than ${expedtedTime}`);
-}
-
-async function test(name, fn) {
-    try {
-        console.log("Running test: ", name);
-        await fn({ assert, truthy }); 
-        console.log(`✅ Passed`);
-    } catch (err) {
-        console.log(`❌ Failed: ${err.message}`);
-    }
-}
-
-function assert(condition, message = 'Assertion failed') {
-    if (!condition) throw new Error(message);
-}
-
-function truthy(value, message = 'Expected a truthy value') {
-    if (!value) throw new Error(message);
-}
-
-export { benchmark, test };
diff --git a/packages/benchmark-test/benchmark.test.js b/packages/benchmark-test/benchmark.test.js
deleted file mode 100644
index 9f99c32dfaa..00000000000
--- a/packages/benchmark-test/benchmark.test.js
+++ /dev/null
@@ -1,49 +0,0 @@
-import "@endo/init";
-import { passStyleOf } from '@endo/pass-style';
-import { test, benchmark } from './benchmark.js';
-
-
-async function runBenchmark() {
-
-    await test('Benchmark', async (t) => {
-        await benchmark('Empty object', t, async () => {
-            passStyleOf(harden({})); 
-        }, 0.01);
-    });
-
-
-    await test('Another Benchmark', async (t) => {
-        await benchmark('Alphabets object', t, async () => {
-            passStyleOf(harden({
-                a: 12, 
-                b: 13,
-                c: 14,
-                d: 15,
-                e: 16,
-                f: 17,
-                g: 18,
-                h: 19,
-                i: 20,
-                j: 21,
-                k: 22,
-                l: 23,
-                m: 24,
-                n: 25,
-                o: 26,
-                p: 27,
-                q: 28,
-                r: 29,
-                s: 30,
-                t: 31,
-                u: 32,
-                v: 33,
-                w: 34,
-                x: 35,
-                y: 36,
-                z: 37,
-            })); 
-        }, 0.001);
-    });
-}
-
-runBenchmark();
diff --git a/packages/benchmark-test/package.json b/packages/benchmark-test/package.json
index 28c18af2da1..e7e56c4d80d 100644
--- a/packages/benchmark-test/package.json
+++ b/packages/benchmark-test/package.json
@@ -1,9 +1,28 @@
 {
-    "name": "benchmark",
-    "version": "1.0.0",
-    "type": "module",
-    "scripts": {
-        "test": "yarn rollup -c && eshost -h v8,xs dist/bundle.js"
-    },
-    "license": "MIT"
+  "name": "@agoric/benchmark-test",
+  "version": "1.0.0",
+  "type": "module",
+  "scripts": {
+    "build": "exit 0",
+    "prepack": "tsc --build tsconfig.build.json",
+    "postpack": "git clean -f '*.d.ts*' '*.tsbuildinfo'",
+    "test": "yarn rollup -c && eshost -h 'V8,Moddable XS' dist/bundle.js",
+    "bench": "yarn rollup -c && node --jitless --cpu-prof dist/bundle.js",
+    "lint": "run-s --continue-on-error lint:*",
+    "lint:eslint": "eslint .",
+    "lint:types": "tsc"
+  },
+  "author": "Agoric",
+  "license": "Apache-2.0",
+  "bugs": {
+    "url": "https://github.com/Agoric/agoric-sdk/issues"
+  },
+  "homepage": "https://github.com/Agoric/agoric-sdk#readme",
+  "devDependencies": {
+    "tsd": "^0.31.1",
+    "@rollup/plugin-node-resolve": "^16.0.0",
+    "@rollup/plugin-commonjs": "^28.0.2",
+    "@endo/init": "^1.1.8",
+    "@endo/pass-style": "^1.4.8"
+  }
 }
diff --git a/packages/benchmark-test/rollup.config.js b/packages/benchmark-test/rollup.config.js
index 39f08b30fe2..bcc00ff3120 100644
--- a/packages/benchmark-test/rollup.config.js
+++ b/packages/benchmark-test/rollup.config.js
@@ -2,16 +2,12 @@ import resolve from '@rollup/plugin-node-resolve';
 import commonjs from '@rollup/plugin-commonjs';
 
 export default {
-  input: 'benchmark.test.js', 
+  input: 'test/benchmark.test.js',
   output: {
     file: 'dist/bundle.js',
     format: 'iife',
     name: 'bundle',
     sourcemap: false,
   },
-  plugins: [
-    resolve(),
-    commonjs(), 
-  ],
+  plugins: [resolve(), commonjs()],
 };
-
diff --git a/packages/benchmark-test/test/benchmark.test.js b/packages/benchmark-test/test/benchmark.test.js
new file mode 100644
index 00000000000..940b6a65084
--- /dev/null
+++ b/packages/benchmark-test/test/benchmark.test.js
@@ -0,0 +1,58 @@
+import '@endo/init';
+import { passStyleOf } from '@endo/pass-style';
+import { test, benchmark } from '../tools/benchmark.js';
+
+async function runBenchmark() {
+  await test('Benchmark', async t => {
+    await benchmark(
+      'Empty object',
+      t,
+      async () => {
+        passStyleOf(harden({}));
+      },
+      0.01,
+    );
+  });
+
+  await test('Another Benchmark', async t => {
+    await benchmark(
+      'Alphabets object',
+      t,
+      async () => {
+        passStyleOf(
+          harden({
+            a: 12,
+            b: 13,
+            c: 14,
+            d: 15,
+            e: 16,
+            f: 17,
+            g: 18,
+            h: 19,
+            i: 20,
+            j: 21,
+            k: 22,
+            l: 23,
+            m: 24,
+            n: 25,
+            o: 26,
+            p: 27,
+            q: 28,
+            r: 29,
+            s: 30,
+            t: 31,
+            u: 32,
+            v: 33,
+            w: 34,
+            x: 35,
+            y: 36,
+            z: 37,
+          }),
+        );
+      },
+      0.001,
+    );
+  });
+}
+
+void runBenchmark();
diff --git a/packages/benchmark-test/tools/benchmark.js b/packages/benchmark-test/tools/benchmark.js
new file mode 100644
index 00000000000..64e2f932544
--- /dev/null
+++ b/packages/benchmark-test/tools/benchmark.js
@@ -0,0 +1,39 @@
+// import { performance } from 'perf_hooks';
+const performance = { now: () => Date.now() };
+
+async function benchmark(name, t, fn, expedtedTime, iterations = 10000) {
+  await null;
+  const start = performance.now(); // 3
+  for (let i = 0; i < iterations; i += 1) {
+    await fn();
+  }
+  const end = performance.now(); // 8
+  const avgTime = (end - start) / iterations;
+
+  console.log(`${name} | Average time: ${avgTime}ms`);
+  t.assert(
+    avgTime < expedtedTime,
+    `Expected ${avgTime} to be less than ${expedtedTime}`,
+  );
+}
+
+async function test(name, fn) {
+  await null;
+  try {
+    console.log('Running test: ', name);
+    await fn({ assert, truthy });
+    console.log(`✅ Passed`);
+  } catch (err) {
+    console.log(`❌ Failed: ${err.message}`);
+  }
+}
+
+function assert(condition, message = 'Assertion failed') {
+  if (!condition) throw new Error(message);
+}
+
+function truthy(value, message = 'Expected a truthy value') {
+  if (!value) throw new Error(message);
+}
+
+export { benchmark, test };
diff --git a/packages/benchmark-test/tsconfig.build.json b/packages/benchmark-test/tsconfig.build.json
new file mode 100644
index 00000000000..fe5ea57d603
--- /dev/null
+++ b/packages/benchmark-test/tsconfig.build.json
@@ -0,0 +1,6 @@
+{
+    "extends": [
+        "./tsconfig.json",
+        "../../tsconfig-build-options.json"
+    ]
+}
diff --git a/packages/benchmark-test/tsconfig.json b/packages/benchmark-test/tsconfig.json
new file mode 100644
index 00000000000..be510a121fc
--- /dev/null
+++ b/packages/benchmark-test/tsconfig.json
@@ -0,0 +1,10 @@
+// This file can contain .js-specific Typescript compiler config.
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {},
+  "include": [
+    "tools",
+    "test",
+    "rollup.config.js"
+  ]
+}
diff --git a/packages/benchmark-test/typedoc.json b/packages/benchmark-test/typedoc.json
new file mode 100644
index 00000000000..b03351188be
--- /dev/null
+++ b/packages/benchmark-test/typedoc.json
@@ -0,0 +1,12 @@
+{
+    "extends": [
+        "../../typedoc.base.json"
+    ],
+    "entryPoints": [
+        "tools/benchmark.js"
+    ],
+    "validation": {
+        "notExported": false,
+        "invalidLink": false,
+    }
+}
diff --git a/yarn.lock b/yarn.lock
index ea8117f2ede..2f5e6568f47 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2020,6 +2020,11 @@
   resolved "https://registry.yarnpkg.com/@jridgewell/sourcemap-codec/-/sourcemap-codec-1.4.15.tgz#d7c6e6755c78567a951e04ab52ef0fd26de59f32"
   integrity sha512-eF2rxCRulEKXHTRiDrDy6erMYWqNw4LPdQ8UQA4huuxaQsVeRPFl2oM8oDGxMFhJUWZf9McpLtJasDDZb/Bpeg==
 
+"@jridgewell/sourcemap-codec@^1.5.0":
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/@jridgewell/sourcemap-codec/-/sourcemap-codec-1.5.0.tgz#3188bcb273a414b0d215fd22a58540b989b9409a"
+  integrity sha512-gv3ZRaISU3fjPAgNsriBRqGWQL6quFx04YMPW/zD8XMLsU32mhCCbfbO6KZFLjvYpCZ8zyDEgqsgf+PwPaM7GQ==
+
 "@jridgewell/trace-mapping@^0.3.12", "@jridgewell/trace-mapping@^0.3.13", "@jridgewell/trace-mapping@^0.3.17", "@jridgewell/trace-mapping@^0.3.9":
   version "0.3.22"
   resolved "https://registry.yarnpkg.com/@jridgewell/trace-mapping/-/trace-mapping-0.3.22.tgz#72a621e5de59f5f1ef792d0793a82ee20f645e4c"
@@ -3322,6 +3327,19 @@
     magic-string "^0.25.7"
     resolve "^1.17.0"
 
+"@rollup/plugin-commonjs@^28.0.2":
+  version "28.0.2"
+  resolved "https://registry.yarnpkg.com/@rollup/plugin-commonjs/-/plugin-commonjs-28.0.2.tgz#193d7a86470f112b56927c1d821ee45951a819ea"
+  integrity sha512-BEFI2EDqzl+vA1rl97IDRZ61AIwGH093d9nz8+dThxJNH8oSoB7MjWvPCX3dkaK1/RCJ/1v/R1XB15FuSs0fQw==
+  dependencies:
+    "@rollup/pluginutils" "^5.0.1"
+    commondir "^1.0.1"
+    estree-walker "^2.0.2"
+    fdir "^6.2.0"
+    is-reference "1.2.1"
+    magic-string "^0.30.3"
+    picomatch "^4.0.2"
+
 "@rollup/plugin-json@^6.1.0":
   version "6.1.0"
   resolved "https://registry.yarnpkg.com/@rollup/plugin-json/-/plugin-json-6.1.0.tgz#fbe784e29682e9bb6dee28ea75a1a83702e7b805"
@@ -3341,6 +3359,17 @@
     is-module "^1.0.0"
     resolve "^1.19.0"
 
+"@rollup/plugin-node-resolve@^16.0.0":
+  version "16.0.0"
+  resolved "https://registry.yarnpkg.com/@rollup/plugin-node-resolve/-/plugin-node-resolve-16.0.0.tgz#b1a0594661f40d7b061d82136e847354ff85f211"
+  integrity sha512-0FPvAeVUT/zdWoO0jnb/V5BlBsUSNfkIOtFHzMO4H9MOklrmQFY6FduVHKucNb/aTFxvnGhj4MNj/T1oNdDfNg==
+  dependencies:
+    "@rollup/pluginutils" "^5.0.1"
+    "@types/resolve" "1.20.2"
+    deepmerge "^4.2.2"
+    is-module "^1.0.0"
+    resolve "^1.22.1"
+
 "@rollup/pluginutils@^3.1.0":
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/@rollup/pluginutils/-/pluginutils-3.1.0.tgz#706b4524ee6dc8b103b3c995533e5ad680c02b9b"
@@ -3350,6 +3379,15 @@
     estree-walker "^1.0.1"
     picomatch "^2.2.2"
 
+"@rollup/pluginutils@^5.0.1":
+  version "5.1.4"
+  resolved "https://registry.yarnpkg.com/@rollup/pluginutils/-/pluginutils-5.1.4.tgz#bb94f1f9eaaac944da237767cdfee6c5b2262d4a"
+  integrity sha512-USm05zrsFxYLPdWWq+K3STlWiT/3ELn3RcV5hJMghpeAIhxfsUIg6mt12CBJBInWMV4VneoV7SfGv8xIwo2qNQ==
+  dependencies:
+    "@types/estree" "^1.0.0"
+    estree-walker "^2.0.2"
+    picomatch "^4.0.2"
+
 "@rollup/pluginutils@^5.1.0":
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/@rollup/pluginutils/-/pluginutils-5.1.0.tgz#7e53eddc8c7f483a4ad0b94afb1f7f5fd3c771e0"
@@ -3676,6 +3714,11 @@
   dependencies:
     "@types/node" "*"
 
+"@types/resolve@1.20.2":
+  version "1.20.2"
+  resolved "https://registry.yarnpkg.com/@types/resolve/-/resolve-1.20.2.tgz#97d26e00cd4a0423b4af620abecf3e6f442b7975"
+  integrity sha512-60BCwRFOZCQhDncwQdxxeOEEkbc5dIMccYLwbxsS4TUNeVECQ/pBJ0j09mrHOl/JJvpRPGwO9SvE4nR2Nb/a4Q==
+
 "@types/retry@*":
   version "0.12.2"
   resolved "https://registry.yarnpkg.com/@types/retry/-/retry-0.12.2.tgz#ed279a64fa438bb69f2480eda44937912bb7480a"
@@ -6462,6 +6505,11 @@ fb-watchman@^2.0.0:
   dependencies:
     bser "2.1.1"
 
+fdir@^6.2.0:
+  version "6.4.3"
+  resolved "https://registry.yarnpkg.com/fdir/-/fdir-6.4.3.tgz#011cdacf837eca9b811c89dbb902df714273db72"
+  integrity sha512-PMXmW2y1hDDfTSRc9gaXIuCCRpuoz3Kaz8cUelp3smouvfT632ozg2vrT6lJsHKKOF59YLbOGfAWGUcKEfRMQw==
+
 fecha@^4.2.0:
   version "4.2.3"
   resolved "https://registry.yarnpkg.com/fecha/-/fecha-4.2.3.tgz#4d9ccdbc61e8629b259fdca67e65891448d569fd"
@@ -7590,6 +7638,13 @@ is-core-module@^2.13.0, is-core-module@^2.15.1, is-core-module@^2.5.0, is-core-m
   dependencies:
     hasown "^2.0.2"
 
+is-core-module@^2.16.0:
+  version "2.16.1"
+  resolved "https://registry.yarnpkg.com/is-core-module/-/is-core-module-2.16.1.tgz#2a98801a849f43e2add644fbb6bc6229b19a4ef4"
+  integrity sha512-UfoeMA6fIJ8wTYFEUjelnaGI67v6+N7qXJEvQuIGa99l4xsCruSYOVSQ0uPANn4dAzm8lkYPaKLrrijLq7x23w==
+  dependencies:
+    hasown "^2.0.2"
+
 is-data-view@^1.0.1, is-data-view@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/is-data-view/-/is-data-view-1.0.2.tgz#bae0a41b9688986c2188dda6657e56b8f9e63b8e"
@@ -7738,7 +7793,7 @@ is-promise@^2.2.2:
   resolved "https://registry.yarnpkg.com/is-promise/-/is-promise-2.2.2.tgz#39ab959ccbf9a774cf079f7b40c7a26f763135f1"
   integrity sha512-+lP4/6lKUBfQjZ2pdxThZvLUAafmZb8OAxFb8XXtiQmS35INgr85hdOGoEs124ez1FCnZJt6jau/T+alh58QFQ==
 
-is-reference@^1.2.1:
+is-reference@1.2.1, is-reference@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/is-reference/-/is-reference-1.2.1.tgz#8b2dac0b371f4bc994fdeaba9eb542d03002d0b7"
   integrity sha512-U82MsXXiFIrjCK4otLT+o2NA2Cd2g5MLoOVXUZjIOhLurrRxpEXzI8O0KZHr3IjLvlAH1kTPYSuqer5T9ZVBKQ==
@@ -8483,6 +8538,13 @@ magic-string@^0.25.7:
   dependencies:
     sourcemap-codec "^1.4.4"
 
+magic-string@^0.30.3:
+  version "0.30.17"
+  resolved "https://registry.yarnpkg.com/magic-string/-/magic-string-0.30.17.tgz#450a449673d2460e5bbcfba9a61916a1714c7453"
+  integrity sha512-sNPKHvyjVf7gyjwS4xGTaW/mCnF8wnjtifKBEhxfZ7E/S8tQ0rssrwGNn6q8JH/ohItJfSQp9mBtQYuTlH5QnA==
+  dependencies:
+    "@jridgewell/sourcemap-codec" "^1.5.0"
+
 make-dir@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/make-dir/-/make-dir-2.1.0.tgz#5f0310e18b8be898cc07009295a30ae41e91e6f5"
@@ -10106,6 +10168,11 @@ picomatch@^2.0.4, picomatch@^2.2.1, picomatch@^2.2.2, picomatch@^2.2.3, picomatc
   resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-2.3.1.tgz#3ba3833733646d9d3e4995946c1365a67fb07a42"
   integrity sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==
 
+picomatch@^4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-4.0.2.tgz#77c742931e8f3b8820946c76cd0c1f13730d1dab"
+  integrity sha512-M7BAV6Rlcy5u+m6oPhAPFgJTzAioX/6B0DxyvDlo9l8+T3nLKbrczg2WLUyzd45L8RqfUMyGPzekbMvX2Ldkwg==
+
 pidtree@^0.3.0:
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/pidtree/-/pidtree-0.3.1.tgz#ef09ac2cc0533df1f3250ccf2c4d366b0d12114a"
@@ -10693,6 +10760,15 @@ resolve@^1.1.6, resolve@^1.10.0, resolve@^1.12.0, resolve@^1.14.2, resolve@^1.17
     path-parse "^1.0.7"
     supports-preserve-symlinks-flag "^1.0.0"
 
+resolve@^1.22.1:
+  version "1.22.10"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.22.10.tgz#b663e83ffb09bbf2386944736baae803029b8b39"
+  integrity sha512-NPRy+/ncIMeDlTAsuqwKIiferiawhefFJtkNSW0qZJEqMEb+qBt/77B/jGeeek+F0uOeN05CDa6HXbbIgtVX4w==
+  dependencies:
+    is-core-module "^2.16.0"
+    path-parse "^1.0.7"
+    supports-preserve-symlinks-flag "^1.0.0"
+
 restore-cursor@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/restore-cursor/-/restore-cursor-2.0.0.tgz#9f7ee287f82fd326d4fd162923d62129eee0dfaf"