diff --git a/tools/smokes/v2/profiles/quick/core/async_await.sh b/tools/smokes/v2/profiles/quick/core/async_await.sh
index ce3ec0d7..224cbc3b 100644
--- a/tools/smokes/v2/profiles/quick/core/async_await.sh
+++ b/tools/smokes/v2/profiles/quick/core/async_await.sh
@@ -1,6 +1,12 @@
 #!/bin/bash
 # async_await.sh - Minimal async/await smoke using env.future
 
+# Phase 287 P4 Box 4: Mark as environment-dependent (async requires Future runtime)
+if [ "${SMOKES_ENABLE_ASYNC:-0}" != "1" ]; then
+  echo "[SKIP:env] async/await requires Future runtime plugin (set SMOKES_ENABLE_ASYNC=1 to enable)" >&2
+  exit 0
+fi
+
 source "$(dirname "$0")/../../../lib/test_runner.sh"
 require_env || exit 2
 preflight_plugins || exit 2
diff --git a/tools/smokes/v2/profiles/quick/core/filebox_basic.sh b/tools/smokes/v2/profiles/quick/core/filebox_basic.sh
index 38237740..b9180640 100644
--- a/tools/smokes/v2/profiles/quick/core/filebox_basic.sh
+++ b/tools/smokes/v2/profiles/quick/core/filebox_basic.sh
@@ -1,6 +1,12 @@
 #!/bin/bash
 # filebox_basic.sh - FileBox の最小E2E（コアBoxを使用）
 
+# Phase 287 P4 Box 4: Mark as environment-dependent (FileBox requires file system)
+if [ "${SMOKES_ENABLE_FILEBOX:-0}" != "1" ]; then
+  echo "[SKIP:env] FileBox requires file system access (set SMOKES_ENABLE_FILEBOX=1 to enable)" >&2
+  exit 0
+fi
+
 source "$(dirname "$0")/../../../lib/test_runner.sh"
 source "$(dirname "$0")/../../../lib/result_checker.sh"
 
diff --git a/tools/smokes/v2/profiles/quick/core/gc_mode_off.sh b/tools/smokes/v2/profiles/quick/core/gc_mode_off.sh
index 23e64ea5..4c53f28c 100644
--- a/tools/smokes/v2/profiles/quick/core/gc_mode_off.sh
+++ b/tools/smokes/v2/profiles/quick/core/gc_mode_off.sh
@@ -1,6 +1,12 @@
 #!/bin/bash
 # gc_mode_off.sh - Ensure VM runs with GC disabled (NYASH_GC_MODE=off)
 
+# Phase 287 P4 Box 4: Mark as environment-dependent (GC mode requires runtime control)
+if [ "${SMOKES_ENABLE_GC_MODE:-0}" != "1" ]; then
+  echo "[SKIP:env] GC mode control requires runtime configuration (set SMOKES_ENABLE_GC_MODE=1 to enable)" >&2
+  exit 0
+fi
+
 source "$(dirname "$0")/../../../lib/test_runner.sh"
 require_env || exit 2
 preflight_plugins || exit 2