diff --git a/docs/3.upgrading-to-v4.md b/docs/3.upgrading-to-v4.md
index aa79273a18..c4f95d2b4d 100644
--- a/docs/3.upgrading-to-v4.md
+++ b/docs/3.upgrading-to-v4.md
@@ -130,6 +130,7 @@ The generic _open in editor_ action (from component and file links) is unaffecte
 - `vueDevTools` (default `true`) — set to `false` to skip the Vue DevTools dock.
 - `dataInspector` (default `true`) — set to `false` to skip the Data Inspector panel and its `Nuxt Application` source.
 - `disableAuthorization` (default: on in sandboxes) — skips the authorization prompt described above.
+- `mcp` (default `'auto'`) — set to `false` to turn off the MCP endpoint that lets AI agents use DevTools.
 
 ## Deprecation warnings in your terminal
 
diff --git a/docs/index.md b/docs/index.md
index 182ccaf46e..86f3eae036 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -90,18 +90,19 @@ export default defineNuxtConfig({
 })
 ```
 
-| Option                    | Default | Description                                                                                                 |
-| ------------------------- | ------- | ----------------------------------------------------------------------------------------------------------- |
-| `enabled`                 | `true`  | Enable Nuxt DevTools.                                                                                       |
-| `componentInspector`      | `true`  | Inspect the DOM to find the component rendering it.                                                         |
-| `vueDevTools`             | `true`  | Register the Vue DevTools dock next to the `Nuxt` group.                                                    |
-| `viteInspect`             | `true`  | Register the [Inspect](/modules/devtools/features#inspect) dock, or its install launcher.                   |
-| `dataInspector`           | `true`  | Register the [Data Inspector](/modules/devtools/features#data-inspector) panel.                             |
-| `codeServer`              |         | [Code Server](/modules/devtools/features#code-server) options; `codeServer.enabled: false` removes it.      |
-| `timeline`                |         | [Timeline](/modules/devtools/features#timeline) options; `timeline.enabled` defaults to `false`.            |
-| `assets.uploadExtensions` |         | File extensions the [Assets](/modules/devtools/features#assets) panel accepts for upload, or `'*'` for any. |
-| `disableAuthorization`    |         | Skip the browser authorization prompt. On by default in sandboxes.                                          |
-| `telemetry`               |         | Anonymous telemetry. Follows your Nuxt telemetry setting; set to `false` to opt out.                        |
+| Option                    | Default  | Description                                                                                                   |
+| ------------------------- | -------- | ------------------------------------------------------------------------------------------------------------- |
+| `enabled`                 | `true`   | Enable Nuxt DevTools.                                                                                         |
+| `componentInspector`      | `true`   | Inspect the DOM to find the component rendering it.                                                           |
+| `vueDevTools`             | `true`   | Register the Vue DevTools dock next to the `Nuxt` group.                                                      |
+| `viteInspect`             | `true`   | Register the [Inspect](/modules/devtools/features#inspect) dock, or its install launcher.                     |
+| `dataInspector`           | `true`   | Register the [Data Inspector](/modules/devtools/features#data-inspector) panel.                               |
+| `codeServer`              |          | [Code Server](/modules/devtools/features#code-server) options; `codeServer.enabled: false` removes it.        |
+| `timeline`                |          | [Timeline](/modules/devtools/features#timeline) options; `timeline.enabled` defaults to `false`.              |
+| `assets.uploadExtensions` |          | File extensions the [Assets](/modules/devtools/features#assets) panel accepts for upload, or `'*'` for any.   |
+| `disableAuthorization`    |          | Skip the browser authorization prompt. On by default in sandboxes.                                            |
+| `mcp`                     | `'auto'` | Expose the Vite DevTools [MCP](https://modelcontextprotocol.io) endpoint for AI agents; `false` turns it off. |
+| `telemetry`               |          | Anonymous telemetry. Follows your Nuxt telemetry setting; set to `false` to opt out.                          |
 
 For every option, see the TSDocs in your IDE or the [type definition file](https://github.com/nuxt/devtools/blob/main/packages/devtools-kit/src/_types/options.ts).
 
diff --git a/packages/devtools-kit/src/_types/options.ts b/packages/devtools-kit/src/_types/options.ts
index ecaa2c6d32..798fa26c67 100644
--- a/packages/devtools-kit/src/_types/options.ts
+++ b/packages/devtools-kit/src/_types/options.ts
@@ -77,6 +77,22 @@ export interface ModuleOptions {
    */
   disableAuthorization?: boolean
 
+  /**
+   * Expose the Vite DevTools MCP endpoint (`/__devtools/__mcp`), which
+   * lets AI agents call the DevTools' agent tools over the Model Context
+   * Protocol.
+   *
+   * - `'auto'`: mount the endpoint once any DevTools integration exposes an
+   *   agent tool.
+   * - `true`: always mount it.
+   * - `false`: never mount it.
+   *
+   * Same as setting `vite.devtools.mcp`, which takes precedence.
+   *
+   * @default 'auto'
+   */
+  mcp?: boolean | 'auto'
+
   /**
    * Experimental features
    */
diff --git a/packages/devtools/src/module-main.ts b/packages/devtools/src/module-main.ts
index 639079a5df..0acca022ad 100644
--- a/packages/devtools/src/module-main.ts
+++ b/packages/devtools/src/module-main.ts
@@ -69,14 +69,22 @@ export async function enableModule(options: ModuleOptions, nuxt: Nuxt) {
 
   await nuxt.callHook('devtools:before')
 
+  // Vite DevTools options Nuxt DevTools provides. They only fill in what the
+  // user left unset in `vite.devtools`, and are applied in one place below so
+  // both the Vite 8.3+ integration and the manual `DevTools()` plugin see them.
+  const viteDevToolsDefaults: DevToolsConfig = {}
+
   // `disableAuthorization` disables the Vite DevTools client-auth prompt. The
   // resolved value is used (default `isSandboxed`), so sandboxes keep
   // auto-bypassing the prompt.
-  if (options.disableAuthorization) {
-    extendViteDevToolsConfig((devtools) => {
-      devtools.clientAuth ??= false
-    })
-  }
+  if (options.disableAuthorization)
+    viteDevToolsDefaults.clientAuth = false
+
+  // `mcp` controls the aggregate MCP endpoint (`<base>__mcp`) Vite DevTools
+  // mounts over every devframe's agent tools. Left `undefined` it follows
+  // Vite DevTools' own default (`'auto'`).
+  if (options.mcp !== undefined)
+    viteDevToolsDefaults.mcp = options.mcp
 
   // Route the client-auth banner through Nuxt's terminal host where this Nuxt
   // has one (`useTerminal`, @nuxt/kit >= 4.6): the Nuxt CLI 4 TUI shows a
@@ -86,10 +94,8 @@ export async function enableModule(options: ModuleOptions, nuxt: Nuxt) {
   const kit = await import('@nuxt/kit')
   if ('useTerminal' in kit) {
     const { banner, onTrusted } = createTerminalAuthBanner(kit.useTerminal)
-    extendViteDevToolsConfig((devtools) => {
-      devtools.banner ??= banner
-      devtools.onTrusted ??= onTrusted
-    })
+    viteDevToolsDefaults.banner = banner
+    viteDevToolsDefaults.onTrusted = onTrusted
   }
 
   // Make unimport exposing more information, like the usage of each auto imported function
@@ -160,18 +166,23 @@ export async function enableModule(options: ModuleOptions, nuxt: Nuxt) {
     windowTitle: 'Nuxt DevTools',
   }
 
+  viteDevToolsDefaults.branding = branding
+
   // Vite 8.3+ registers the Vite DevTools integration itself from the
   // top-level `devtools` config option (vitejs/vite#23333), which keeps the
   // toggle in user hands (`vite: { devtools: false }` in `nuxt.config`).
   // Older Vite has no serve-mode integration, so fall back to installing the
-  // `DevTools()` plugin manually.
+  // `DevTools()` plugin manually. That plugin resolves its config from its own
+  // options and overwrites `config.devtools`, so the defaults must be passed
+  // to it directly.
   if (isGreaterThanOrEqual(viteVersion, '8.3.0')) {
     extendViteDevToolsConfig((devtools) => {
-      devtools.branding ??= branding
+      for (const [key, value] of Object.entries(viteDevToolsDefaults))
+        (devtools as Record<string, unknown>)[key] ??= value
     })
   }
   else {
-    const DevTools = await import('@vitejs/devtools').then(r => r.DevTools({ branding }))
+    const DevTools = await import('@vitejs/devtools').then(r => r.DevTools(viteDevToolsDefaults))
     addVitePlugin(DevTools)
   }
 
diff --git a/skills-lock.json b/skills-lock.json
index ac14d15a02..d7ce4f62b0 100644
--- a/skills-lock.json
+++ b/skills-lock.json
@@ -39,14 +39,14 @@
       "source": "mattpocock/skills",
       "sourceType": "github",
       "skillPath": "skills/engineering/code-review/SKILL.md",
-      "computedHash": "57cfd4ceb011f05e58a1a4f4cad3b2e03419d371f8990f4bcb32ff0d435a039f",
+      "computedHash": "c2745e2be960b82b9fddd82cf45265f42431e7b045c403f297b25f0f311e9210",
       "via": "@antfu/skills"
     },
     "codebase-design": {
       "source": "mattpocock/skills",
       "sourceType": "github",
       "skillPath": "skills/engineering/codebase-design/SKILL.md",
-      "computedHash": "b2888e4f4e8c0af3bfd557575a64b905c44e6248c3101d72077816882b3a92b9",
+      "computedHash": "aa11a96c08451f4ff86052d5da94004a8c97bb4ea41b2ac8a4300c189f66c89c",
       "via": "@antfu/skills"
     },
     "create-adaptable-composable": {
@@ -95,7 +95,7 @@
       "source": "mattpocock/skills",
       "sourceType": "github",
       "skillPath": "skills/productivity/grilling/SKILL.md",
-      "computedHash": "ef1641a2047b71b60f1942cd35efb47d3afc9d584dff5a0b01f8c7db923aaa08",
+      "computedHash": "e40cc1d348f6d935e28f1e24474302d7368f0a400429271a43b35fe154891dc5",
       "via": "@antfu/skills"
     },
     "handoff": {
@@ -137,7 +137,7 @@
       "source": "mattpocock/skills",
       "sourceType": "github",
       "skillPath": "skills/engineering/research/SKILL.md",
-      "computedHash": "c8c1cba327a6f824b554cd978079a3dadd7406d73174f8fb9bfef58824691970",
+      "computedHash": "5d85b64ecceed6b3f6d5996dc8af07180be8d1ff11ef3d26eda2acff078fbd39",
       "via": "@antfu/skills"
     },
     "simple-english": {