diff --git a/.github/plugin/marketplace.json b/.github/plugin/marketplace.json
index bd5954ef0..2fec9c534 100644
--- a/.github/plugin/marketplace.json
+++ b/.github/plugin/marketplace.json
@@ -671,6 +671,36 @@
         "sha": "8a8a102ff3ab8736f015764207cdb7e68fcd5ecf"
       }
     },
+    {
+      "name": "bulkhead",
+      "description": "Guards for a machine where many Copilot CLI, Claude Code, Codex and other agent sessions run at once. Before a shell command runs, it blocks name-based kills of another session's processes, port collisions, git commands that would move or delete another session's tree, whole-disk scans and long foreground sleeps, and holds heavy commands back when RAM runs low.",
+      "version": "0.3.7",
+      "author": {
+        "name": "Myeongseok Kang",
+        "url": "https://github.com/dooly6276"
+      },
+      "repository": "https://github.com/dooly6276/claude-bulkhead",
+      "homepage": "https://github.com/dooly6276/claude-bulkhead#readme",
+      "license": "MIT",
+      "keywords": [
+        "hooks",
+        "guard",
+        "processes",
+        "ports",
+        "memory",
+        "worktrees",
+        "git",
+        "parallel",
+        "agents",
+        "copilot-cli"
+      ],
+      "source": {
+        "source": "github",
+        "repo": "dooly6276/claude-bulkhead",
+        "ref": "v0.3.7",
+        "sha": "a7d6c81d60c1f96187fbf7f673a61752cc2de61a"
+      }
+    },
     {
       "name": "cache-stats",
       "description": "Shows live prompt-cache reuse, expiry, token composition, and AI Credit cost for the current GitHub Copilot session without making model calls.",
diff --git a/plugins/external.json b/plugins/external.json
index f2f153ada..9dfc1cec4 100644
--- a/plugins/external.json
+++ b/plugins/external.json
@@ -565,6 +565,36 @@
       "sha": "8a8a102ff3ab8736f015764207cdb7e68fcd5ecf"
     }
   },
+  {
+    "name": "bulkhead",
+    "description": "Guards for a machine where many Copilot CLI, Claude Code, Codex and other agent sessions run at once. Before a shell command runs, it blocks name-based kills of another session's processes, port collisions, git commands that would move or delete another session's tree, whole-disk scans and long foreground sleeps, and holds heavy commands back when RAM runs low.",
+    "version": "0.3.7",
+    "author": {
+      "name": "Myeongseok Kang",
+      "url": "https://github.com/dooly6276"
+    },
+    "repository": "https://github.com/dooly6276/claude-bulkhead",
+    "homepage": "https://github.com/dooly6276/claude-bulkhead#readme",
+    "license": "MIT",
+    "keywords": [
+      "hooks",
+      "guard",
+      "processes",
+      "ports",
+      "memory",
+      "worktrees",
+      "git",
+      "parallel",
+      "agents",
+      "copilot-cli"
+    ],
+    "source": {
+      "source": "github",
+      "repo": "dooly6276/claude-bulkhead",
+      "ref": "v0.3.7",
+      "sha": "a7d6c81d60c1f96187fbf7f673a61752cc2de61a"
+    }
+  },
   {
     "name": "cache-stats",
     "description": "Shows live prompt-cache reuse, expiry, token composition, and AI Credit cost for the current GitHub Copilot session without making model calls.",