diff --git a/scripts/e2e/skill-install-docker.sh b/scripts/e2e/skill-install-docker.sh
index 26d6e604a42..ce639b5c24b 100644
--- a/scripts/e2e/skill-install-docker.sh
+++ b/scripts/e2e/skill-install-docker.sh
@@ -15,11 +15,9 @@ docker_e2e_package_mount_args "$PACKAGE_TGZ"
 docker_e2e_build_or_reuse "$IMAGE_NAME" skill-install "$ROOT_DIR/scripts/e2e/Dockerfile" "$ROOT_DIR" "bare"
 
 echo "Running live ClawHub skill install Docker E2E..."
-docker_e2e_harness_mount_args
 run_logged_print \
   skill-install-run \
-  docker run --rm \
-  "${DOCKER_E2E_HARNESS_ARGS[@]}" \
+  docker_e2e_run_with_harness \
   -e COREPACK_ENABLE_DOWNLOAD_PROMPT=0 \
   -e "OPENCLAW_TEST_STATE_SCRIPT_B64=$OPENCLAW_TEST_STATE_SCRIPT_B64" \
   -e "OPENCLAW_SKILL_INSTALL_E2E_QUERY=${OPENCLAW_SKILL_INSTALL_E2E_QUERY:-homeassistant}" \
diff --git a/test/scripts/docker-build-helper.test.ts b/test/scripts/docker-build-helper.test.ts
index acb379a357d..cd3874de4df 100644
--- a/test/scripts/docker-build-helper.test.ts
+++ b/test/scripts/docker-build-helper.test.ts
@@ -23,6 +23,7 @@ const KITCHEN_SINK_PLUGIN_DOCKER_E2E_PATH = "scripts/e2e/kitchen-sink-plugin-doc
 const KITCHEN_SINK_RPC_DOCKER_E2E_PATH = "scripts/e2e/kitchen-sink-rpc-docker.sh";
 const CODEX_NPM_PLUGIN_LIVE_DOCKER_E2E_PATH =
   "scripts/e2e/codex-npm-plugin-live-docker.sh";
+const SKILL_INSTALL_DOCKER_E2E_PATH = "scripts/e2e/skill-install-docker.sh";
 const PLUGIN_BINDING_COMMAND_ESCAPE_DOCKER_E2E_PATH =
   "scripts/e2e/plugin-binding-command-escape-docker.sh";
 const PLUGIN_BINDING_COMMAND_ESCAPE_DOCKERFILE_PATH =
@@ -360,6 +361,17 @@ test -f "$external_dir/openclaw-current.tgz"
     expect(runner).not.toContain('rm -f "$run_log"\n  exit 1');
   });
 
+  it("runs skill install through the package-cleaning Docker harness", () => {
+    const runner = readFileSync(SKILL_INSTALL_DOCKER_E2E_PATH, "utf8");
+
+    expect(runner).toContain('docker_e2e_package_mount_args "$PACKAGE_TGZ"');
+    expect(runner).toMatch(
+      /run_logged_print \\\n\s+skill-install-run \\\n\s+docker_e2e_run_with_harness \\/u,
+    );
+    expect(runner).not.toContain("docker_e2e_harness_mount_args");
+    expect(runner).not.toContain("docker run --rm");
+  });
+
   it("includes procps in the shared Docker E2E image for process watchdogs", () => {
     const dockerfile = readFileSync("scripts/e2e/Dockerfile", "utf8");