diff --git a/README.md b/README.md
index 99f1403..5304bd4 100644
--- a/README.md
+++ b/README.md
@@ -25,6 +25,8 @@ This plugin integrates OpenClaw with [Agent Control](https://github.com/agentcon
 
 > [!WARNING]
 > Experimental plugin: this may break across OpenClaw updates. Use in non-production or pinned environments.
+>
+> The package exports a modern `definePluginEntry(...)` descriptor when the host SDK exposes it, and falls back to the legacy raw `register(api)` export on older gateways.
 
 ## Why use this?
 
diff --git a/index.ts b/index.ts
index fd79c2b..4c59d4d 100644
--- a/index.ts
+++ b/index.ts
@@ -1 +1 @@
-export { default } from "./src/agent-control-plugin.ts";
+export { default } from "./src/plugin-entry.ts";
diff --git a/src/plugin-entry.ts b/src/plugin-entry.ts
new file mode 100644
index 0000000..e3e6bcd
--- /dev/null
+++ b/src/plugin-entry.ts
@@ -0,0 +1,65 @@
+import { createRequire } from "node:module";
+import type { OpenClawPluginApi } from "openclaw/plugin-sdk/core";
+import register from "./agent-control-plugin.ts";
+
+export const AGENT_CONTROL_PLUGIN_ID = "agent-control-openclaw-plugin";
+export const AGENT_CONTROL_PLUGIN_NAME = "Agent Control";
+export const AGENT_CONTROL_PLUGIN_DESCRIPTION =
+  "Registers OpenClaw tools with Agent Control and blocks unsafe tool invocations.";
+
+export type AgentControlPluginEntry = {
+  id: string;
+  name: string;
+  description: string;
+  register(api: OpenClawPluginApi): void;
+};
+
+type DefinePluginEntry = (entry: AgentControlPluginEntry) => AgentControlPluginEntry;
+type RequireLike = (specifier: string) => unknown;
+type CreateRequireLike = (path: string | URL) => RequireLike;
+
+export const agentControlPluginEntry: AgentControlPluginEntry = {
+  id: AGENT_CONTROL_PLUGIN_ID,
+  name: AGENT_CONTROL_PLUGIN_NAME,
+  description: AGENT_CONTROL_PLUGIN_DESCRIPTION,
+  register,
+};
+
+function tryReadDefinePluginEntryFromModule(
+  requireFn: RequireLike,
+  specifier: string,
+): DefinePluginEntry | null {
+  try {
+    const loaded = requireFn(specifier) as { definePluginEntry?: unknown };
+    return typeof loaded.definePluginEntry === "function"
+      ? (loaded.definePluginEntry as DefinePluginEntry)
+      : null;
+  } catch {
+    return null;
+  }
+}
+
+export function loadDefinePluginEntry(
+  createRequireImpl: CreateRequireLike = createRequire as CreateRequireLike,
+): DefinePluginEntry | null {
+  const requireFn = createRequireImpl(import.meta.url);
+
+  // Prefer the dedicated modern helper module when it exists, but also accept
+  // the helper from core because some gateways exposed it there during the
+  // migration window.
+  return (
+    tryReadDefinePluginEntryFromModule(requireFn, "openclaw/plugin-sdk/plugin-entry") ??
+    tryReadDefinePluginEntryFromModule(requireFn, "openclaw/plugin-sdk/core")
+  );
+}
+
+export function createPluginEntry(
+  entry: AgentControlPluginEntry,
+  definePluginEntry: DefinePluginEntry | null,
+) {
+  return definePluginEntry ? definePluginEntry(entry) : entry.register;
+}
+
+const definePluginEntry = loadDefinePluginEntry();
+
+export default createPluginEntry(agentControlPluginEntry, definePluginEntry);
diff --git a/test/plugin-entry.test.ts b/test/plugin-entry.test.ts
new file mode 100644
index 0000000..9ff0fd5
--- /dev/null
+++ b/test/plugin-entry.test.ts
@@ -0,0 +1,104 @@
+import { describe, expect, it, vi } from "vitest";
+import {
+  createPluginEntry,
+  loadDefinePluginEntry,
+  type AgentControlPluginEntry,
+} from "../src/plugin-entry.ts";
+
+describe("plugin entry compatibility", () => {
+  it("returns the legacy register function when no modern helper is available", () => {
+    // Given a plugin entry and a gateway without definePluginEntry support
+    const legacyRegister = vi.fn();
+    const entry: AgentControlPluginEntry = {
+      id: "agent-control-openclaw-plugin",
+      name: "Agent Control",
+      description: "test entry",
+      register: legacyRegister,
+    };
+
+    // When the plugin entry is created without a modern helper
+    const resolved = createPluginEntry(entry, null);
+
+    // Then the legacy raw register function is exported
+    expect(resolved).toBe(legacyRegister);
+  });
+
+  it("wraps the entry with definePluginEntry when the helper is available", () => {
+    // Given a plugin entry and a gateway that exposes definePluginEntry
+    const legacyRegister = vi.fn();
+    const entry: AgentControlPluginEntry = {
+      id: "agent-control-openclaw-plugin",
+      name: "Agent Control",
+      description: "test entry",
+      register: legacyRegister,
+    };
+    const definePluginEntry = vi.fn((value: AgentControlPluginEntry) => ({
+      ...value,
+      wrapped: true,
+    }));
+
+    // When the plugin entry is created with the helper
+    const resolved = createPluginEntry(entry, definePluginEntry);
+
+    // Then the modern helper receives the descriptor and its result is exported
+    expect(definePluginEntry).toHaveBeenCalledWith(entry);
+    expect(resolved).toEqual({
+      ...entry,
+      wrapped: true,
+    });
+  });
+
+  it("prefers the dedicated plugin-entry module when it is present", () => {
+    // Given a createRequire implementation that exposes the dedicated helper module
+    const defineFromPluginEntry = vi.fn();
+    const createRequireImpl = vi.fn(() =>
+      vi.fn((specifier: string) => {
+        if (specifier === "openclaw/plugin-sdk/plugin-entry") {
+          return { definePluginEntry: defineFromPluginEntry };
+        }
+        throw new Error(`unexpected module lookup: ${specifier}`);
+      }),
+    );
+
+    // When definePluginEntry is loaded from the gateway SDK
+    const loaded = loadDefinePluginEntry(createRequireImpl);
+
+    // Then the dedicated helper is returned without probing fallback modules
+    expect(loaded).toBe(defineFromPluginEntry);
+  });
+
+  it("falls back to the core helper during the SDK migration window", () => {
+    // Given a createRequire implementation without the dedicated helper module
+    const defineFromCore = vi.fn();
+    const requireFn = vi.fn((specifier: string) => {
+      if (specifier === "openclaw/plugin-sdk/plugin-entry") {
+        throw new Error("module not found");
+      }
+      if (specifier === "openclaw/plugin-sdk/core") {
+        return { definePluginEntry: defineFromCore };
+      }
+      throw new Error(`unexpected module lookup: ${specifier}`);
+    });
+
+    // When definePluginEntry is loaded from the gateway SDK
+    const loaded = loadDefinePluginEntry(vi.fn(() => requireFn));
+
+    // Then the core-exported helper is used as a migration fallback
+    expect(loaded).toBe(defineFromCore);
+    expect(requireFn).toHaveBeenCalledWith("openclaw/plugin-sdk/plugin-entry");
+    expect(requireFn).toHaveBeenCalledWith("openclaw/plugin-sdk/core");
+  });
+
+  it("returns null when neither modern helper is available", () => {
+    // Given a createRequire implementation where both helper lookups fail
+    const requireFn = vi.fn(() => {
+      throw new Error("module not found");
+    });
+
+    // When definePluginEntry is loaded from the gateway SDK
+    const loaded = loadDefinePluginEntry(vi.fn(() => requireFn));
+
+    // Then the plugin can fall back to the legacy raw register export
+    expect(loaded).toBeNull();
+  });
+});
diff --git a/types/openclaw-plugin-sdk-plugin-entry.d.ts b/types/openclaw-plugin-sdk-plugin-entry.d.ts
new file mode 100644
index 0000000..1355e5c
--- /dev/null
+++ b/types/openclaw-plugin-sdk-plugin-entry.d.ts
@@ -0,0 +1,14 @@
+declare module "openclaw/plugin-sdk/plugin-entry" {
+  import type { OpenClawPluginApi } from "openclaw/plugin-sdk/core";
+
+  export type OpenClawDefinedPluginEntry = {
+    id: string;
+    name: string;
+    description?: string;
+    register(api: OpenClawPluginApi): unknown;
+  };
+
+  export function definePluginEntry<TEntry extends OpenClawDefinedPluginEntry>(
+    entry: TEntry,
+  ): TEntry;
+}