diff --git a/apps/desktop/package.json b/apps/desktop/package.json
index 567811e24..890a5feed 100644
--- a/apps/desktop/package.json
+++ b/apps/desktop/package.json
@@ -13,7 +13,7 @@
     "dev:server-bundle": "vp run --filter @threadlines/server dev:bundle",
     "smoke-test": "node scripts/smoke-test.mjs",
     "start": "node scripts/start-electron.mjs",
-    "test": "vp test run --passWithNoTests",
+    "test": "vp exec vp test run --passWithNoTests",
     "typecheck": "tsc --noEmit",
     "vendor:playwright": "node ../../scripts/extract-playwright-injected.ts"
   },
diff --git a/apps/marketing/package.json b/apps/marketing/package.json
index 367f80809..f1a38c7df 100644
--- a/apps/marketing/package.json
+++ b/apps/marketing/package.json
@@ -7,7 +7,7 @@
     "dev": "astro dev",
     "build": "astro build",
     "preview": "astro preview",
-    "test": "vp test run",
+    "test": "vp exec vp test run",
     "typecheck": "astro check"
   },
   "dependencies": {
diff --git a/apps/relay-worker/package.json b/apps/relay-worker/package.json
index 87f12703b..ec863048f 100644
--- a/apps/relay-worker/package.json
+++ b/apps/relay-worker/package.json
@@ -7,7 +7,7 @@
     "build": "tsc --noEmit",
     "deploy": "wrangler deploy",
     "dev": "wrangler dev",
-    "test": "vp test run",
+    "test": "vp exec vp test run",
     "typecheck": "tsc --noEmit",
     "types": "wrangler types src/worker-configuration.d.ts"
   },
diff --git a/apps/server/package.json b/apps/server/package.json
index 39aac1be8..c58a4ad2f 100644
--- a/apps/server/package.json
+++ b/apps/server/package.json
@@ -40,7 +40,7 @@
     "build:bundle": "vp pack",
     "start": "node dist/bin.mjs",
     "typecheck": "tsc --noEmit",
-    "test": "vp test run"
+    "test": "vp exec vp test run"
   },
   "dependencies": {
     "@anthropic-ai/claude-agent-sdk": "catalog:",
diff --git a/apps/web/package.json b/apps/web/package.json
index 2807ea2ec..5a664e186 100644
--- a/apps/web/package.json
+++ b/apps/web/package.json
@@ -8,7 +8,7 @@
     "build": "vp build",
     "preview": "vp preview",
     "typecheck": "tsc --noEmit",
-    "test": "vp test run --passWithNoTests --project unit",
+    "test": "vp exec vp test run --passWithNoTests --project unit",
     "test:browser:install": "playwright install --with-deps chromium"
   },
   "dependencies": {
diff --git a/apps/web/vite.config.ts b/apps/web/vite.config.ts
index 4c55aab7a..09fb9b1e6 100644
--- a/apps/web/vite.config.ts
+++ b/apps/web/vite.config.ts
@@ -104,7 +104,7 @@ export default defineConfig({
       // and a task that reads-and-writes an input is never cacheable —
       // exclude those artifacts from the input fingerprint.
       "test:browser": {
-        command: "vp test run --config vitest.browser.config.ts",
+        command: "vp exec vp test run --config vitest.browser.config.ts",
         input: [{ auto: true }, "!src/**/preview-output/**", "!src/**/__screenshots__/**"],
       },
     },
diff --git a/oxlint-plugin-threadlines/package.json b/oxlint-plugin-threadlines/package.json
index b2144ac29..a3b305098 100644
--- a/oxlint-plugin-threadlines/package.json
+++ b/oxlint-plugin-threadlines/package.json
@@ -4,7 +4,7 @@
   "type": "module",
   "scripts": {
     "typecheck": "tsc --noEmit",
-    "test": "vp test run --testTimeout=30000"
+    "test": "vp exec vp test run --testTimeout=30000"
   },
   "dependencies": {
     "@effect/platform-node": "catalog:",
diff --git a/packages/client-runtime/package.json b/packages/client-runtime/package.json
index 0d2c0d2a6..76af6e107 100644
--- a/packages/client-runtime/package.json
+++ b/packages/client-runtime/package.json
@@ -10,7 +10,7 @@
   },
   "scripts": {
     "typecheck": "tsc --noEmit",
-    "test": "vp test run"
+    "test": "vp exec vp test run"
   },
   "dependencies": {
     "@threadlines/contracts": "workspace:*",
diff --git a/packages/contracts/package.json b/packages/contracts/package.json
index 9f99e8c7f..33aaaf5d5 100644
--- a/packages/contracts/package.json
+++ b/packages/contracts/package.json
@@ -23,7 +23,7 @@
   "scripts": {
     "build": "tsc --noEmit",
     "typecheck": "tsc --noEmit",
-    "test": "vp test run"
+    "test": "vp exec vp test run"
   },
   "dependencies": {
     "effect": "catalog:"
diff --git a/packages/effect-acp/package.json b/packages/effect-acp/package.json
index d69a0f0b6..e1c5dea2c 100644
--- a/packages/effect-acp/package.json
+++ b/packages/effect-acp/package.json
@@ -34,7 +34,7 @@
   },
   "scripts": {
     "typecheck": "tsc --noEmit",
-    "test": "vp test run --testTimeout=30000",
+    "test": "vp exec vp test run --testTimeout=30000",
     "generate": "node scripts/generate.ts"
   },
   "dependencies": {
diff --git a/packages/effect-codex-app-server/package.json b/packages/effect-codex-app-server/package.json
index d4c6425e2..b9d86fbc6 100644
--- a/packages/effect-codex-app-server/package.json
+++ b/packages/effect-codex-app-server/package.json
@@ -26,7 +26,7 @@
   },
   "scripts": {
     "typecheck": "tsc --noEmit",
-    "test": "vp test run --testTimeout=30000",
+    "test": "vp exec vp test run --testTimeout=30000",
     "generate": "node scripts/generate.ts",
     "probe": "node test/examples/codex-app-server-probe.ts"
   },
diff --git a/packages/shared/package.json b/packages/shared/package.json
index 6524a6808..25deb04a4 100644
--- a/packages/shared/package.json
+++ b/packages/shared/package.json
@@ -194,7 +194,7 @@
   },
   "scripts": {
     "typecheck": "tsc --noEmit",
-    "test": "vp test run"
+    "test": "vp exec vp test run"
   },
   "dependencies": {
     "@threadlines/contracts": "workspace:*",
diff --git a/packages/ssh/package.json b/packages/ssh/package.json
index ba0bb4ac4..7d55fabf7 100644
--- a/packages/ssh/package.json
+++ b/packages/ssh/package.json
@@ -26,7 +26,7 @@
   },
   "scripts": {
     "typecheck": "tsc --noEmit",
-    "test": "vp test run"
+    "test": "vp exec vp test run"
   },
   "dependencies": {
     "@threadlines/contracts": "workspace:*",
diff --git a/packages/tailscale/package.json b/packages/tailscale/package.json
index 0d02a568e..6f094c77e 100644
--- a/packages/tailscale/package.json
+++ b/packages/tailscale/package.json
@@ -10,7 +10,7 @@
   },
   "scripts": {
     "typecheck": "tsc --noEmit",
-    "test": "vp test run"
+    "test": "vp exec vp test run"
   },
   "dependencies": {
     "@effect/platform-node": "catalog:",
diff --git a/scripts/package.json b/scripts/package.json
index b0a49b516..2136ffa85 100644
--- a/scripts/package.json
+++ b/scripts/package.json
@@ -4,7 +4,7 @@
   "type": "module",
   "scripts": {
     "typecheck": "tsc --noEmit",
-    "test": "vp test run"
+    "test": "vp exec vp test run"
   },
   "dependencies": {
     "@anthropic-ai/claude-agent-sdk": "catalog:",