diff --git a/packages/dev-server/package.json b/packages/dev-server/package.json
index 22ce3c7..b1e7124 100644
--- a/packages/dev-server/package.json
+++ b/packages/dev-server/package.json
@@ -60,6 +60,7 @@
     "@playwright/test": "^1.37.1",
     "glob": "^10.3.10",
     "hono": "^4.4.11",
+    "miniflare": "^3.20240701.0",
     "playwright": "^1.39.0",
     "publint": "^0.2.5",
     "rimraf": "^5.0.1",
@@ -69,14 +70,26 @@
     "wrangler": "^3.63.1"
   },
   "peerDependencies": {
-    "hono": "*"
+    "hono": "*",
+    "miniflare": "*",
+    "wrangler": "*"
+  },
+  "peerDependenciesMeta": {
+    "hono": {
+      "optional": false
+    },
+    "miniflare": {
+      "optional": true
+    },
+    "wrangler": {
+      "optional": true
+    }
   },
   "engines": {
     "node": ">=18.14.1"
   },
   "dependencies": {
     "@hono/node-server": "^1.12.0",
-    "miniflare": "^3.20240701.0",
     "minimatch": "^9.0.3"
   }
-}
\ No newline at end of file
+}
diff --git a/packages/dev-server/src/adapter/bun.ts b/packages/dev-server/src/adapter/bun.ts
new file mode 100644
index 0000000..a0d8b4c
--- /dev/null
+++ b/packages/dev-server/src/adapter/bun.ts
@@ -0,0 +1,20 @@
+import type { Adapter } from "../types";
+
+export const bunAdapter = (): Adapter => {
+  if (typeof globalThis.navigator === 'undefined') {
+    // @ts-expect-error not typed well
+    globalThis.navigator = {
+      userAgent: 'Bun',
+    }
+  } else {
+    Object.defineProperty(globalThis.navigator, 'userAgent', {
+      value: 'Bun',
+      writable: false,
+    })
+  }
+  return {
+    env: process.env
+  }
+}
+
+export default bunAdapter
\ No newline at end of file
diff --git a/packages/dev-server/src/adapter/node.ts b/packages/dev-server/src/adapter/node.ts
new file mode 100644
index 0000000..0cec59d
--- /dev/null
+++ b/packages/dev-server/src/adapter/node.ts
@@ -0,0 +1,19 @@
+import type { Adapter } from "../types"
+export const nodeAdapter = (): Adapter => {
+  if (typeof globalThis.navigator === 'undefined') {
+    // @ts-expect-error not typed well
+    globalThis.navigator = {
+      userAgent: 'Node.js',
+    }
+  } else {
+    Object.defineProperty(globalThis.navigator, 'userAgent', {
+      value: 'Node.js',
+      writable: false,
+    })
+  }
+  return {
+    env: process.env
+  }
+}
+
+export default nodeAdapter;
\ No newline at end of file