diff --git a/README.md b/README.md
index 14dcbde..2bdc670 100644
--- a/README.md
+++ b/README.md
@@ -22,6 +22,8 @@ The npm package currently ships the macOS app bundle. Install it globally first:
 npm i -g open-computer-use
 ```
 
+On interactive local global installs, npm also tries to open the bundled permiso-style permission onboarding automatically. If nothing appears, run `open-computer-use` or `open-computer-use doctor`.
+
 Before first use, grant macOS `Accessibility` and `Screen Recording` permission to the `Open Computer Use.app` you actually plan to keep installed. The CI-built release package remains the stable identity for distribution. Local debug/dev builds are intentionally packaged as `Open Computer Use (Dev).app`, so System Settings shows them as a separate development app instead of another indistinguishable `Open Computer Use`. If you are not sure about the current state, run:
 
 ```bash
diff --git a/README.zh-CN.md b/README.zh-CN.md
index fa13e67..f1069ce 100644
--- a/README.zh-CN.md
+++ b/README.zh-CN.md
@@ -22,6 +22,8 @@ https://github.com/user-attachments/assets/eacb3b15-f939-46c7-b3b3-6f876977a58d
 npm i -g open-computer-use
 ```
 
+在本机交互式的全局安装场景下，npm 也会尝试自动拉起内置的 permiso 风格权限引导；如果没有弹出来，手动运行 `open-computer-use` 或 `open-computer-use doctor` 即可。
+
 第一次使用前，给你实际准备长期保留的那个 `Open Computer Use.app` 授予 macOS 的 `Accessibility` 和 `Screen Recording` 权限。CI 产出的 release 包继续作为正式分发身份；本地 debug/dev 构建会故意打成 `Open Computer Use (Dev).app`，这样系统设置里会明确显示成一个开发版 app，而不是再出现两个同名的 `Open Computer Use`。
 
 ```bash
diff --git a/docs/histories/2026-04/20260422-1636-launch-npm-postinstall-onboarding.md b/docs/histories/2026-04/20260422-1636-launch-npm-postinstall-onboarding.md
new file mode 100644
index 0000000..5be1c77
--- /dev/null
+++ b/docs/histories/2026-04/20260422-1636-launch-npm-postinstall-onboarding.md
@@ -0,0 +1,25 @@
+## [2026-04-22 16:36] | Task: launch npm postinstall onboarding
+
+### 🤖 Execution Context
+* **Agent ID**: `OpenCode`
+* **Base Model**: `gpt-5.4`
+* **Runtime**: `OpenCode CLI`
+
+### 📥 User Query
+> Make a PR to `iFurySt/open-codex-computer-use` so install uses the `permiso`-style permission onboarding on install.
+
+### 🛠 Changes Overview
+**Scope:** `scripts/npm`, repository README docs
+
+**Key Actions:**
+- **[Auto-launch onboarding from npm postinstall]**: Updated the npm package generator so interactive local global installs detach-launch the bundled permission onboarding app instead of only printing next steps.
+- **[Sync install docs]**: Updated English and Chinese README install sections plus generated package README text to explain the automatic onboarding behavior and the manual fallback command.
+
+### 🧠 Design Intent (Why)
+The repo already ships a native permission onboarding flow that mirrors the `permiso` UX, but npm install previously left users at a text-only next step. Launching the bundled helper during interactive global installs shortens the path from install to granted permissions without blocking CI or non-interactive environments.
+
+### 📁 Files Modified
+- `scripts/npm/build-packages.mjs`
+- `README.md`
+- `README.zh-CN.md`
+- `docs/histories/2026-04/20260422-1636-launch-npm-postinstall-onboarding.md`
diff --git a/scripts/npm/build-packages.mjs b/scripts/npm/build-packages.mjs
index 4efeb28..30f7d1e 100644
--- a/scripts/npm/build-packages.mjs
+++ b/scripts/npm/build-packages.mjs
@@ -287,6 +287,66 @@ exec "\${app_binary}" "$@"
 
 function renderPostinstall(packageName, version) {
   return `#!/usr/bin/env node
+import { spawn } from "node:child_process";
+import { existsSync } from "node:fs";
+import path from "node:path";
+import process from "node:process";
+import { fileURLToPath } from "node:url";
+
+const scriptDir = path.dirname(fileURLToPath(import.meta.url));
+const packageRoot = path.resolve(scriptDir, "..");
+const bundledAppBinary = path.join(
+  packageRoot,
+  "dist",
+  ${JSON.stringify(appBundleName)},
+  "Contents",
+  "MacOS",
+  ${JSON.stringify(appExecutableName)}
+);
+
+function shouldLaunchOnboarding() {
+  if (process.platform !== "darwin") {
+    return false;
+  }
+
+  if (process.env.CI === "1" || process.env.CI === "true") {
+    return false;
+  }
+
+  if (process.env.OPEN_COMPUTER_USE_SKIP_POSTINSTALL_ONBOARDING === "1") {
+    return false;
+  }
+
+  if (process.stdout.isTTY !== true) {
+    return false;
+  }
+
+  return process.env.npm_config_global === "true" || process.env.npm_config_location === "global";
+}
+
+function launchOnboardingIfPossible() {
+  if (!shouldLaunchOnboarding() || !existsSync(bundledAppBinary)) {
+    return false;
+  }
+
+  try {
+    const child = spawn(bundledAppBinary, [], {
+      detached: true,
+      stdio: "ignore",
+      env: {
+        ...process.env,
+        OPEN_COMPUTER_USE_LAUNCHED_FROM_POSTINSTALL: "1",
+      },
+    });
+    child.on("error", () => {});
+    child.unref();
+    return true;
+  } catch {
+    return false;
+  }
+}
+
+const launchedOnboarding = launchOnboardingIfPossible();
 const mcpConfig = ${JSON.stringify({
   mcpServers: {
     "open-computer-use": {
@@ -301,9 +361,13 @@ const lines = [
   "Package: https://www.npmjs.com/package/${packageName}",
   "Commands: open-computer-use, open-computer-use-mcp, open-codex-computer-use-mcp",
   "",
+  launchedOnboarding
+    ? "Permission onboarding launched automatically using the bundled app."
+    : "Run open-computer-use or open-computer-use doctor if you want to open the bundled permission onboarding.",
+  "",
   "Next:",
-  "1. Run open-computer-use doctor",
-  "2. In macOS System Settings, grant Accessibility and Screen Recording to your host terminal or MCP client",
+  "1. If the helper did not appear, run open-computer-use or open-computer-use doctor",
+  "2. In macOS System Settings, grant Accessibility and Screen Recording to the app or host CLI you actually plan to run",
   "3. Run open-computer-use install-claude-mcp, install-gemini-mcp, install-codex-mcp, or install-opencode-mcp for your host CLI, or install-codex-plugin for the local Codex plugin cache",
   "",
   "You can add this to any MCP-capable client:",
@@ -333,7 +397,7 @@ This package bundles a ready-to-run \`${appBundleName}\`, the Codex plugin metad
 npm install -g ${packageName}
 \`\`\`
 
-After install, run \`open-computer-use doctor\` first. If macOS \`Accessibility\` or \`Screen Recording\` permission is missing, it will open the permission onboarding window and tell you what still needs to be granted. If everything is already granted, it just prints the status and exits.
+On interactive local global installs, the package also tries to open the bundled permiso-style permission onboarding automatically. If nothing appears, run \`open-computer-use\` or \`open-computer-use doctor\`. If macOS \`Accessibility\` or \`Screen Recording\` permission is missing, the helper opens the onboarding window and tells you what still needs to be granted. If everything is already granted, it just exits.
 
 ## MCP config
 
@@ -350,7 +414,7 @@ If your MCP client accepts a stdio-style \`mcpServers\` JSON config, this is the
 }
 \`\`\`
 
-In practice, using this package as MCP is: global install, add the JSON config, then grant macOS \`Accessibility\` and \`Screen Recording\` permission to the bundled npm-installed \`Open Computer Use.app\` on first use.
+In practice, using this package as MCP is: global install, let the bundled onboarding helper run (or launch it yourself), add the JSON config, then grant macOS \`Accessibility\` and \`Screen Recording\` permission to the bundled npm-installed \`Open Computer Use.app\` or the host CLI you actually use.
 
 Package page: https://www.npmjs.com/package/${packageName}
 
@@ -375,7 +439,8 @@ open-computer-use install-codex-mcp
 # Install into opencode in ~/.config/opencode
 open-computer-use install-opencode-mcp
 
-# Check permissions first; if Accessibility / Screen Recording is missing, open the permission onboarding window
+# Check permissions first; if the postinstall helper did not appear, run this manually
+# If Accessibility / Screen Recording is missing, it opens the permission onboarding window
 # If both are already granted, this just prints the status and exits
 open-computer-use doctor