diff --git a/package.json b/package.json
index 9899ed3b..a2558b2a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@samchon/openapi",
-  "version": "6.0.0",
+  "version": "6.0.1",
   "description": "Universal OpenAPI to LLM function calling schemas. Transform any Swagger/OpenAPI document into type-safe schemas for OpenAI, Claude, Qwen, and more.",
   "main": "./lib/index.js",
   "module": "./lib/index.mjs",
diff --git a/src/composers/HttpMigrateRouteComposer.ts b/src/composers/HttpMigrateRouteComposer.ts
index 0c9f3592..48c9e5eb 100644
--- a/src/composers/HttpMigrateRouteComposer.ts
+++ b/src/composers/HttpMigrateRouteComposer.ts
@@ -316,11 +316,7 @@ export namespace HttpMigrateRouteComposer {
     query: IHttpMigrateRoute.IQuery | null;
     body: IHttpMigrateRoute.IBody | null;
   }): string => {
-    const commentTags: string[] = [];
-    const add = (text: string) => {
-      if (commentTags.every((line) => line !== text)) commentTags.push(text);
-    };
-
+    // write basic description combining with summary
     let description: string = props.operation.description ?? "";
     if (!!props.operation.summary?.length) {
       const summary: string = props.operation.summary.endsWith(".")
@@ -337,6 +333,15 @@ export namespace HttpMigrateRouteComposer {
       .map((s) => s.trim())
       .join("\n");
 
+    //----
+    // compose jsdoc comment tags
+    //----
+    const commentTags: string[] = [];
+    const add = (text: string) => {
+      if (commentTags.every((line) => line !== text)) commentTags.push(text);
+    };
+
+    // parameters
     add("@param connection");
     for (const p of props.parameters ?? []) {
       const param = p.parameter();
@@ -347,12 +352,33 @@ export namespace HttpMigrateRouteComposer {
     }
     if (props.body?.description()?.length)
       add(`@param body ${writeIndented(props.body.description()!, 12)}`);
+
+    // security
     for (const security of props.operation.security ?? [])
       for (const [name, scopes] of Object.entries(security))
         add(`@security ${[name, ...scopes].join("")}`);
+
+    // categorizing tags
     if (props.operation.tags)
       props.operation.tags.forEach((name) => add(`@tag ${name}`));
+
+    // deprecated
     if (props.operation.deprecated) add("@deprecated");
+
+    // plugin properties
+    for (const [key, value] of Object.entries(props.operation)) {
+      if (key.startsWith("x-") === false) continue;
+      else if (
+        value !== null &&
+        typeof value !== "boolean" &&
+        typeof value !== "number" &&
+        typeof value !== "string"
+      )
+        continue;
+      add(`@${key} ${value}`);
+    }
+
+    // finalize description
     description = description.length
       ? commentTags.length
         ? `${description}\n\n${commentTags.join("\n")}`
diff --git a/test/src/features/migrate/test_http_migrate_route_plugin.ts b/test/src/features/migrate/test_http_migrate_route_plugin.ts
new file mode 100644
index 00000000..a1bb9957
--- /dev/null
+++ b/test/src/features/migrate/test_http_migrate_route_plugin.ts
@@ -0,0 +1,41 @@
+import { TestValidator } from "@nestia/e2e";
+import {
+  HttpMigration,
+  IHttpMigrateApplication,
+  IHttpMigrateRoute,
+  OpenApi,
+} from "@samchon/openapi";
+
+export const test_http_migrate_route_plugin = async (): Promise<void> => {
+  const document: OpenApi.IDocument = {
+    openapi: "3.1.0",
+    "x-samchon-emended-v4": true,
+    paths: {
+      "/items": {
+        get: {
+          description: "Retrieve a list of items.",
+          ...{
+            "x-autobe-specification": [
+              "Hello everyone!",
+              "",
+              "Nice to to meet you all.",
+            ].join("\n"),
+          },
+        },
+      },
+    },
+    components: {},
+  };
+  const migrate: IHttpMigrateApplication = HttpMigration.application(document);
+  const route: IHttpMigrateRoute = migrate.routes[0];
+  TestValidator.equals("plugin")(route.comment())(
+    [
+      "Retrieve a list of items.",
+      "",
+      "@param connection",
+      "@x-autobe-specification Hello everyone!",
+      "",
+      "Nice to to meet you all.",
+    ].join("\n"),
+  );
+};