diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 990cf0a925..2f8bb58a56 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,6 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     outputs:
       extension: ${{ steps.filter.outputs.extension }}
+      is_internal_head: ${{ github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name == github.repository }}
       sdk-ts: ${{ steps.filter.outputs.sdk-ts }}
       sdk-python: ${{ steps.filter.outputs.sdk-python }}
       sdk-go: ${{ steps.filter.outputs.sdk-go }}
@@ -39,6 +40,7 @@ jobs:
               - 'packages/sdk-ts/**'
               - 'packages/extension/**'
               - 'packages/protocol/**'
+              - 'packages/integrations/**'
               - 'pnpm-lock.yaml'
               - 'turbo.json'
               - '.github/**'
@@ -167,6 +169,7 @@ jobs:
             packages/extension/dist/**
             packages/extension/artifacts/**
             packages/sdk-ts/dist/**
+            packages/integrations/dist/**
             packages/evals/dist/**
           retention-days: 1
 
@@ -211,6 +214,7 @@ jobs:
         env:
           CHROME_PATH: ${{ steps.setup-chrome.outputs.chrome-path }}
       - name: Browserbase smoke test
+        if: needs.determine-changes.outputs.is_internal_head == 'true'
         run: >-
           pnpm exec vitest run --root .
           packages/sdk-ts/tests/browser-runtime/stagehandBrowserbaseSmoke.test.ts
diff --git a/packages/integrations/README.md b/packages/integrations/README.md
new file mode 100644
index 0000000000..86cbf8043b
--- /dev/null
+++ b/packages/integrations/README.md
@@ -0,0 +1,5 @@
+# Stagehand integrations
+
+Private workspace package for Stagehand integration adapters.
+
+The code-mode stdio entrypoint currently provides the MCP host and process lifecycle used by later code-mode capabilities. It intentionally advertises no tools yet.
diff --git a/packages/integrations/package.json b/packages/integrations/package.json
new file mode 100644
index 0000000000..264cfa56b9
--- /dev/null
+++ b/packages/integrations/package.json
@@ -0,0 +1,33 @@
+{
+  "name": "@browserbasehq/stagehand-integrations",
+  "version": "4.0.0",
+  "private": true,
+  "description": "Shared integration surfaces for Stagehand V4",
+  "files": [
+    "dist"
+  ],
+  "type": "module",
+  "exports": {
+    "./codemode/stdio-server": {
+      "import": "./dist/codemode/stdio-server.mjs"
+    }
+  },
+  "scripts": {
+    "build": "tsdown",
+    "test": "pnpm run build && vitest run --root ../.. packages/integrations/tests",
+    "test:unit": "vitest run --root ../.. packages/integrations/tests",
+    "typecheck": "tsc --noEmit -p tsconfig.json"
+  },
+  "dependencies": {
+    "@modelcontextprotocol/sdk": "catalog:"
+  },
+  "devDependencies": {
+    "@types/node": "catalog:",
+    "tsdown": "catalog:",
+    "typescript": "catalog:",
+    "vitest": "catalog:"
+  },
+  "engines": {
+    "node": ">=22.18.0"
+  }
+}
diff --git a/packages/integrations/src/codemode/mcp-runtime.ts b/packages/integrations/src/codemode/mcp-runtime.ts
new file mode 100644
index 0000000000..89fa58ab89
--- /dev/null
+++ b/packages/integrations/src/codemode/mcp-runtime.ts
@@ -0,0 +1,13 @@
+import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
+import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";
+
+export function createCodeModeMcpHost(): McpServer {
+  return new McpServer({
+    name: "stagehand-codemode",
+    version: "4.0.0",
+  });
+}
+
+export async function connectCodeModeStdio(server: McpServer): Promise<void> {
+  await server.connect(new StdioServerTransport());
+}
diff --git a/packages/integrations/src/codemode/stdio-lifecycle.ts b/packages/integrations/src/codemode/stdio-lifecycle.ts
new file mode 100644
index 0000000000..b12736a647
--- /dev/null
+++ b/packages/integrations/src/codemode/stdio-lifecycle.ts
@@ -0,0 +1,25 @@
+export type AsyncCloser = {
+  close(): Promise<unknown>;
+};
+
+export const STDIO_SHUTDOWN_GRACE_MS = 5_000;
+
+export async function closeCodeModeStdio(
+  resources: readonly AsyncCloser[],
+  timeoutMs = STDIO_SHUTDOWN_GRACE_MS,
+): Promise<boolean> {
+  let timeout: NodeJS.Timeout | undefined;
+  const cleanup = Promise.allSettled(
+    resources.map((resource) => Promise.resolve().then(() => resource.close())),
+  ).then((results) => results.every((result) => result.status === "fulfilled"));
+  const deadline = new Promise<boolean>((resolve) => {
+    timeout = setTimeout(() => resolve(false), timeoutMs);
+    timeout.unref();
+  });
+
+  try {
+    return await Promise.race([cleanup, deadline]);
+  } finally {
+    if (timeout) clearTimeout(timeout);
+  }
+}
diff --git a/packages/integrations/src/codemode/stdio-server.ts b/packages/integrations/src/codemode/stdio-server.ts
new file mode 100644
index 0000000000..4d93cb4050
--- /dev/null
+++ b/packages/integrations/src/codemode/stdio-server.ts
@@ -0,0 +1,23 @@
+import { connectCodeModeStdio, createCodeModeMcpHost } from "./mcp-runtime.js";
+import { closeCodeModeStdio } from "./stdio-lifecycle.js";
+
+const server = createCodeModeMcpHost();
+let closing = false;
+
+async function shutdown(code: number): Promise<void> {
+  if (closing) return;
+  closing = true;
+  const clean = await closeCodeModeStdio([server]);
+  if (!clean) {
+    process.stderr.write("Failed to close Stagehand code mode cleanly.\n");
+  }
+  process.exit(code === 0 && !clean ? 1 : code);
+}
+
+process.once("SIGINT", () => void shutdown(130));
+process.once("SIGTERM", () => void shutdown(143));
+process.stdin.once("end", () => void shutdown(0));
+process.stdin.once("close", () => void shutdown(0));
+
+await connectCodeModeStdio(server);
+process.stderr.write("Stagehand code-mode MCP host listening on stdio\n");
diff --git a/packages/integrations/tests/mcp-runtime.test.ts b/packages/integrations/tests/mcp-runtime.test.ts
new file mode 100644
index 0000000000..dcfa098c3f
--- /dev/null
+++ b/packages/integrations/tests/mcp-runtime.test.ts
@@ -0,0 +1,26 @@
+import { Client } from "@modelcontextprotocol/sdk/client/index.js";
+import { InMemoryTransport } from "@modelcontextprotocol/sdk/inMemory.js";
+import { afterEach, beforeEach, describe, expect, it } from "vitest";
+import { createCodeModeMcpHost } from "../src/codemode/mcp-runtime.js";
+
+describe("code-mode MCP host", () => {
+  let client: Client;
+  let server: ReturnType<typeof createCodeModeMcpHost>;
+
+  beforeEach(async () => {
+    server = createCodeModeMcpHost();
+    client = new Client({ name: "stagehand-codemode-host-test", version: "1.0.0" });
+    const [clientTransport, serverTransport] = InMemoryTransport.createLinkedPair();
+    await server.connect(serverTransport);
+    await client.connect(clientTransport);
+  });
+
+  afterEach(async () => {
+    await client.close();
+    await server.close();
+  });
+
+  it("initializes without advertising the tools capability", () => {
+    expect(client.getServerCapabilities()).not.toHaveProperty("tools");
+  });
+});
diff --git a/packages/integrations/tests/stdio-lifecycle.test.ts b/packages/integrations/tests/stdio-lifecycle.test.ts
new file mode 100644
index 0000000000..5eac6dfe5e
--- /dev/null
+++ b/packages/integrations/tests/stdio-lifecycle.test.ts
@@ -0,0 +1,42 @@
+import { afterEach, describe, expect, it, vi } from "vitest";
+import { closeCodeModeStdio } from "../src/codemode/stdio-lifecycle.js";
+
+describe("closeCodeModeStdio", () => {
+  afterEach(() => vi.useRealTimers());
+
+  it("closes every resource concurrently", async () => {
+    const first = { close: vi.fn(async () => undefined) };
+    const second = { close: vi.fn(async () => undefined) };
+
+    await expect(closeCodeModeStdio([first, second], 50)).resolves.toBe(true);
+    expect(first.close).toHaveBeenCalledOnce();
+    expect(second.close).toHaveBeenCalledOnce();
+  });
+
+  it("reports cleanup failures without exposing their messages", async () => {
+    const healthy = { close: vi.fn(async () => undefined) };
+    const failing = { close: vi.fn(async () => Promise.reject(new Error("secret detail"))) };
+
+    await expect(closeCodeModeStdio([healthy, failing], 50)).resolves.toBe(false);
+  });
+
+  it("contains synchronous cleanup failures", async () => {
+    const failing = {
+      close: vi.fn(() => {
+        throw new Error("secret detail");
+      }),
+    };
+
+    await expect(closeCodeModeStdio([failing], 50)).resolves.toBe(false);
+  });
+
+  it("bounds cleanup when a resource never settles", async () => {
+    vi.useFakeTimers();
+    const stuck = { close: vi.fn(() => new Promise<void>(() => undefined)) };
+    const result = closeCodeModeStdio([stuck], 5_000);
+
+    await vi.advanceTimersByTimeAsync(5_000);
+
+    await expect(result).resolves.toBe(false);
+  });
+});
diff --git a/packages/integrations/tests/stdio-server.test.ts b/packages/integrations/tests/stdio-server.test.ts
new file mode 100644
index 0000000000..25d8bb3018
--- /dev/null
+++ b/packages/integrations/tests/stdio-server.test.ts
@@ -0,0 +1,160 @@
+import { spawn, type ChildProcessWithoutNullStreams } from "node:child_process";
+import { PassThrough, type Stream } from "node:stream";
+import { fileURLToPath } from "node:url";
+import { Client } from "@modelcontextprotocol/sdk/client/index.js";
+import { StdioClientTransport } from "@modelcontextprotocol/sdk/client/stdio.js";
+import { describe, expect, it } from "vitest";
+
+const entrypoint = fileURLToPath(new URL("../dist/codemode/stdio-server.mjs", import.meta.url));
+const baseEnv = { PATH: process.env.PATH ?? "" };
+const readyMessage = "Stagehand code-mode MCP host listening on stdio";
+
+function startServer(): ChildProcessWithoutNullStreams {
+  return spawn(process.execPath, [entrypoint], {
+    env: baseEnv,
+    stdio: ["pipe", "pipe", "pipe"],
+  });
+}
+
+async function waitForReady(child: ChildProcessWithoutNullStreams): Promise<string> {
+  let stderr = "";
+  return await new Promise<string>((resolve, reject) => {
+    const timeout = setTimeout(
+      () => reject(new Error(`stdio host did not start: ${stderr}`)),
+      10_000,
+    );
+    const onData = (chunk: Buffer) => {
+      stderr += chunk.toString();
+      if (!stderr.includes(readyMessage)) return;
+      clearTimeout(timeout);
+      child.stderr.off("data", onData);
+      resolve(stderr);
+    };
+    child.stderr.on("data", onData);
+    child.once("exit", (code, signal) => {
+      clearTimeout(timeout);
+      reject(
+        new Error(`stdio host exited before ready (code=${code}, signal=${signal}): ${stderr}`),
+      );
+    });
+  });
+}
+
+function waitForOutput(stream: Stream, expected: string): Promise<string> {
+  let output = "";
+  return new Promise<string>((resolve, reject) => {
+    const cleanup = () => {
+      clearTimeout(timeout);
+      stream.off("data", onData);
+      stream.off("error", onError);
+      stream.off("end", onEnd);
+      stream.off("close", onClose);
+    };
+    const succeed = () => {
+      cleanup();
+      resolve(output);
+    };
+    const fail = (message: string) => {
+      cleanup();
+      reject(new Error(message));
+    };
+    const onData = (chunk: Buffer) => {
+      output += chunk.toString();
+      if (output.includes(expected)) succeed();
+    };
+    const onError = () => fail(`stdio output stream failed before ${JSON.stringify(expected)}`);
+    const onEnd = () => fail(`stdio output stream ended before ${JSON.stringify(expected)}`);
+    const onClose = () => fail(`stdio output stream closed before ${JSON.stringify(expected)}`);
+    const timeout = setTimeout(
+      () => fail(`stdio host did not emit ${JSON.stringify(expected)}: ${output}`),
+      10_000,
+    );
+    stream.on("data", onData);
+    stream.once("error", onError);
+    stream.once("end", onEnd);
+    stream.once("close", onClose);
+  });
+}
+
+function waitForExit(
+  child: ChildProcessWithoutNullStreams,
+): Promise<{ code: number | null; signal: NodeJS.Signals | null }> {
+  return new Promise((resolve, reject) => {
+    const timeout = setTimeout(() => {
+      child.kill("SIGKILL");
+      reject(new Error("stdio host did not exit within 10 seconds"));
+    }, 10_000);
+    child.once("error", reject);
+    child.once("exit", (code, signal) => {
+      clearTimeout(timeout);
+      resolve({ code, signal });
+    });
+  });
+}
+
+describe("built code-mode stdio host", () => {
+  it("cleans up output waiters when the stream closes before the expected output", async () => {
+    const stream = new PassThrough();
+    const output = waitForOutput(stream, readyMessage);
+
+    stream.destroy();
+
+    await expect(output).rejects.toThrow(`closed before ${JSON.stringify(readyMessage)}`);
+    expect(stream.listenerCount("data")).toBe(0);
+    expect(stream.listenerCount("error")).toBe(0);
+    expect(stream.listenerCount("end")).toBe(0);
+    expect(stream.listenerCount("close")).toBe(0);
+  });
+
+  it("starts and exits successfully on stdin EOF", async () => {
+    const child = startServer();
+    try {
+      await waitForReady(child);
+      const exit = waitForExit(child);
+      child.stdin.end();
+      await expect(exit).resolves.toStrictEqual({ code: 0, signal: null });
+    } finally {
+      if (child.exitCode === null && child.signalCode === null) child.kill("SIGKILL");
+    }
+  });
+
+  it.skipIf(process.platform === "win32")(
+    "preserves SIGINT and SIGTERM exit semantics",
+    async () => {
+      for (const [signal, expectedCode] of [
+        ["SIGINT", 130],
+        ["SIGTERM", 143],
+      ] as const) {
+        const child = startServer();
+        try {
+          await waitForReady(child);
+          const exit = waitForExit(child);
+          child.kill(signal);
+          await expect(exit).resolves.toStrictEqual({ code: expectedCode, signal: null });
+        } finally {
+          if (child.exitCode === null && child.signalCode === null) child.kill("SIGKILL");
+        }
+      }
+    },
+    30_000,
+  );
+
+  it("initializes without advertising tools through the compiled child", async () => {
+    const transport = new StdioClientTransport({
+      command: process.execPath,
+      args: [entrypoint],
+      env: baseEnv,
+      stderr: "pipe",
+    });
+    if (!transport.stderr) throw new Error("stdio transport did not expose stderr");
+    const ready = waitForOutput(transport.stderr, readyMessage);
+    const client = new Client({ name: "stagehand-codemode-stdio-test", version: "1.0.0" });
+
+    try {
+      await Promise.all([client.connect(transport), ready]);
+      expect(client.getServerCapabilities()).not.toHaveProperty("tools");
+    } finally {
+      await client.close();
+    }
+  });
+});
diff --git a/packages/integrations/tsconfig.json b/packages/integrations/tsconfig.json
new file mode 100644
index 0000000000..36876ff6db
--- /dev/null
+++ b/packages/integrations/tsconfig.json
@@ -0,0 +1,13 @@
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext",
+    "target": "ES2022",
+    "types": ["node"],
+    "rootDir": ".",
+    "noEmit": true
+  },
+  "include": ["src/**/*.ts", "tests/**/*.ts"],
+  "exclude": ["dist", "node_modules"]
+}
diff --git a/packages/integrations/tsdown.config.ts b/packages/integrations/tsdown.config.ts
new file mode 100644
index 0000000000..587cfd7b80
--- /dev/null
+++ b/packages/integrations/tsdown.config.ts
@@ -0,0 +1,15 @@
+import { defineConfig } from "tsdown";
+
+export default defineConfig({
+  entry: {
+    "codemode/stdio-server": "src/codemode/stdio-server.ts",
+  },
+  format: ["esm"],
+  platform: "node",
+  target: "node22",
+  dts: {
+    sourcemap: true,
+  },
+  sourcemap: true,
+  outDir: "dist",
+});
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index b461760f35..7882eaeae3 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -244,6 +244,9 @@ catalogs:
     '@mdx-js/mdx':
       specifier: 3.1.1
       version: 3.1.1
+    '@modelcontextprotocol/sdk':
+      specifier: 1.29.0
+      version: 1.29.0
     '@opentelemetry/api':
       specifier: 1.9.1
       version: 1.9.1
@@ -491,72 +494,6 @@ importers:
         specifier: 'catalog:'
         version: 4.1.9(@opentelemetry/api@1.9.1)(@types/node@24.13.2)(vite@8.1.3(@types/node@24.13.2)(esbuild@0.28.1)(jiti@1.21.7)(tsx@4.23.1)(yaml@2.9.0))
 
-  packages/protocol:
-    dependencies:
-      camelcase-keys:
-        specifier: 'catalog:'
-        version: 10.0.2
-      snakecase-keys:
-        specifier: 'catalog:'
-        version: 9.0.2
-      zod:
-        specifier: 'catalog:'
-        version: 4.4.3
-    devDependencies:
-      '@types/chrome':
-        specifier: 'catalog:'
-        version: 0.2.2
-      '@types/node':
-        specifier: 'catalog:'
-        version: 24.13.2
-      chrome-launcher:
-        specifier: 'catalog:'
-        version: 1.2.1
-      oxfmt:
-        specifier: 'catalog:'
-        version: 0.57.0
-      typescript:
-        specifier: 'catalog:'
-        version: 5.9.3
-      vite:
-        specifier: 8.1.3
-        version: 8.1.3(@types/node@24.13.2)(esbuild@0.28.1)(jiti@1.21.7)(tsx@4.23.1)(yaml@2.9.0)
-      vitest:
-        specifier: 'catalog:'
-        version: 4.1.9(@opentelemetry/api@1.9.1)(@types/node@24.13.2)(vite@8.1.3(@types/node@24.13.2)(esbuild@0.28.1)(jiti@1.21.7)(tsx@4.23.1)(yaml@2.9.0))
-
-  packages/sdk-go: {}
-
-  packages/sdk-python: {}
-
-  packages/sdk-ts:
-    dependencies:
-      '@browserbasehq/sdk':
-        specifier: 'catalog:'
-        version: 2.16.0
-      '@opentelemetry/api':
-        specifier: 'catalog:'
-        version: 1.9.1
-      '@opentelemetry/core':
-        specifier: 'catalog:'
-        version: 2.9.0(@opentelemetry/api@1.9.1)
-      chrome-launcher:
-        specifier: 'catalog:'
-        version: 1.2.1
-      zod:
-        specifier: 'catalog:'
-        version: 4.4.3
-    devDependencies:
-      publint:
-        specifier: 'catalog:'
-        version: 0.3.21
-      tsdown:
-        specifier: 'catalog:'
-        version: 0.22.3(publint@0.3.21)(tsx@4.23.1)(typescript@5.9.3)
-      vitest:
-        specifier: 'catalog:'
-        version: 4.1.9(@opentelemetry/api@1.9.1)(@types/node@25.9.4)(vite@8.1.3(@types/node@25.9.4)(esbuild@0.28.1)(jiti@1.21.7)(tsx@4.23.1)(yaml@2.9.0))
-
   packages/extension:
     dependencies:
       '@ai-sdk/anthropic':
@@ -627,6 +564,91 @@ importers:
         specifier: 'catalog:'
         version: 4.1.9(@opentelemetry/api@1.9.1)(@types/node@24.13.2)(vite@8.1.3(@types/node@24.13.2)(esbuild@0.28.1)(jiti@1.21.7)(tsx@4.23.1)(yaml@2.9.0))
 
+  packages/integrations:
+    dependencies:
+      '@modelcontextprotocol/sdk':
+        specifier: 'catalog:'
+        version: 1.29.0(zod@4.4.3)
+    devDependencies:
+      '@types/node':
+        specifier: 'catalog:'
+        version: 24.13.2
+      tsdown:
+        specifier: 'catalog:'
+        version: 0.22.3(publint@0.3.21)(tsx@4.23.1)(typescript@5.9.3)
+      typescript:
+        specifier: 'catalog:'
+        version: 5.9.3
+      vitest:
+        specifier: 'catalog:'
+        version: 4.1.9(@opentelemetry/api@1.9.1)(@types/node@24.13.2)(vite@8.1.3(@types/node@24.13.2)(esbuild@0.28.1)(jiti@1.21.7)(tsx@4.23.1)(yaml@2.9.0))
+
+  packages/protocol:
+    dependencies:
+      camelcase-keys:
+        specifier: 'catalog:'
+        version: 10.0.2
+      snakecase-keys:
+        specifier: 'catalog:'
+        version: 9.0.2
+      zod:
+        specifier: 'catalog:'
+        version: 4.4.3
+    devDependencies:
+      '@types/chrome':
+        specifier: 'catalog:'
+        version: 0.2.2
+      '@types/node':
+        specifier: 'catalog:'
+        version: 24.13.2
+      chrome-launcher:
+        specifier: 'catalog:'
+        version: 1.2.1
+      oxfmt:
+        specifier: 'catalog:'
+        version: 0.57.0
+      typescript:
+        specifier: 'catalog:'
+        version: 5.9.3
+      vite:
+        specifier: 8.1.3
+        version: 8.1.3(@types/node@24.13.2)(esbuild@0.28.1)(jiti@1.21.7)(tsx@4.23.1)(yaml@2.9.0)
+      vitest:
+        specifier: 'catalog:'
+        version: 4.1.9(@opentelemetry/api@1.9.1)(@types/node@24.13.2)(vite@8.1.3(@types/node@24.13.2)(esbuild@0.28.1)(jiti@1.21.7)(tsx@4.23.1)(yaml@2.9.0))
+
+  packages/sdk-go: {}
+
+  packages/sdk-python: {}
+
+  packages/sdk-ts:
+    dependencies:
+      '@browserbasehq/sdk':
+        specifier: 'catalog:'
+        version: 2.16.0
+      '@opentelemetry/api':
+        specifier: 'catalog:'
+        version: 1.9.1
+      '@opentelemetry/core':
+        specifier: 'catalog:'
+        version: 2.9.0(@opentelemetry/api@1.9.1)
+      chrome-launcher:
+        specifier: 'catalog:'
+        version: 1.2.1
+      zod:
+        specifier: 'catalog:'
+        version: 4.4.3
+    devDependencies:
+      publint:
+        specifier: 'catalog:'
+        version: 0.3.21
+      tsdown:
+        specifier: 'catalog:'
+        version: 0.22.3(publint@0.3.21)(tsx@4.23.1)(typescript@5.9.3)
+      vitest:
+        specifier: 'catalog:'
+        version: 4.1.9(@opentelemetry/api@1.9.1)(@types/node@25.9.4)(vite@8.1.3(@types/node@25.9.4)(esbuild@0.28.1)(jiti@1.21.7)(tsx@4.23.1)(yaml@2.9.0))
+
 packages:
 
   '@ai-sdk/amazon-bedrock@3.0.111':
@@ -8976,8 +8998,8 @@ snapshots:
       cross-spawn: 7.0.6
       eventsource: 3.0.7
       eventsource-parser: 3.1.0
-      express: 5.2.1(supports-color@8.1.1)
-      express-rate-limit: 8.6.0(express@5.2.1(supports-color@8.1.1))
+      express: 5.2.1
+      express-rate-limit: 8.6.0(express@5.2.1)
       hono: 4.12.32
       jose: 6.2.4
       json-schema-typed: 8.0.2
@@ -10315,7 +10337,7 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
-  body-parser@2.3.0(supports-color@8.1.1):
+  body-parser@2.3.0:
     dependencies:
       bytes: 3.1.2
       content-type: 2.0.0
@@ -11181,10 +11203,10 @@ snapshots:
 
   expr-eval-fork@3.0.3: {}
 
-  express-rate-limit@8.6.0(express@5.2.1(supports-color@8.1.1)):
+  express-rate-limit@8.6.0(express@5.2.1):
     dependencies:
       debug: 4.4.3(supports-color@8.1.1)
-      express: 5.2.1(supports-color@8.1.1)
+      express: 5.2.1
       ip-address: 10.2.0
     transitivePeerDependencies:
       - supports-color
@@ -11225,10 +11247,10 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
-  express@5.2.1(supports-color@8.1.1):
+  express@5.2.1:
     dependencies:
       accepts: 2.0.0
-      body-parser: 2.3.0(supports-color@8.1.1)
+      body-parser: 2.3.0
       content-disposition: 1.1.0
       content-type: 1.0.5
       cookie: 0.7.2
@@ -11238,7 +11260,7 @@ snapshots:
       encodeurl: 2.0.0
       escape-html: 1.0.3
       etag: 1.8.1
-      finalhandler: 2.1.1(supports-color@8.1.1)
+      finalhandler: 2.1.1
       fresh: 2.0.0
       http-errors: 2.0.1
       merge-descriptors: 2.0.0
@@ -11249,8 +11271,8 @@ snapshots:
       proxy-addr: 2.0.7
       qs: 6.15.3
       range-parser: 1.2.1
-      router: 2.2.0(supports-color@8.1.1)
-      send: 1.2.1(supports-color@8.1.1)
+      router: 2.2.0
+      send: 1.2.1
       serve-static: 2.2.1
       statuses: 2.0.2
       type-is: 2.1.0
@@ -11364,7 +11386,7 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
-  finalhandler@2.1.1(supports-color@8.1.1):
+  finalhandler@2.1.1:
     dependencies:
       debug: 4.4.3(supports-color@8.1.1)
       encodeurl: 2.0.0
@@ -14041,7 +14063,7 @@ snapshots:
       '@rolldown/binding-win32-arm64-msvc': 1.1.5
       '@rolldown/binding-win32-x64-msvc': 1.1.5
 
-  router@2.2.0(supports-color@8.1.1):
+  router@2.2.0:
     dependencies:
       debug: 4.4.3(supports-color@8.1.1)
       depd: 2.0.0
@@ -14131,7 +14153,7 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
-  send@1.2.1(supports-color@8.1.1):
+  send@1.2.1:
     dependencies:
       debug: 4.4.3(supports-color@8.1.1)
       encodeurl: 2.0.0
@@ -14166,7 +14188,7 @@ snapshots:
       encodeurl: 2.0.0
       escape-html: 1.0.3
       parseurl: 1.3.3
-      send: 1.2.1(supports-color@8.1.1)
+      send: 1.2.1
     transitivePeerDependencies:
       - supports-color
 
diff --git a/pnpm-workspace.yaml b/pnpm-workspace.yaml
index 90e5e925a0..1ffc7f1bd4 100644
--- a/pnpm-workspace.yaml
+++ b/pnpm-workspace.yaml
@@ -4,6 +4,7 @@ packages:
 catalogMode: prefer
 
 catalog:
+  "@modelcontextprotocol/sdk": 1.29.0
   "@ast-grep/lang-go": 0.0.6
   "@ast-grep/lang-python": 0.0.6
   "@ast-grep/napi": 0.44.1
diff --git a/turbo.json b/turbo.json
index 21eef1e19d..fcecb93d4b 100644
--- a/turbo.json
+++ b/turbo.json
@@ -26,6 +26,11 @@
       "inputs": ["$TURBO_DEFAULT$", "!dist/**"],
       "outputs": ["dist/**"]
     },
+    "@browserbasehq/stagehand-integrations#build": {
+      "dependsOn": ["^build"],
+      "inputs": ["$TURBO_DEFAULT$", "!dist/**"],
+      "outputs": ["dist/**"]
+    },
     "@browserbasehq/stagehand-evals#build": {
       "dependsOn": ["^build"],
       "inputs": ["$TURBO_DEFAULT$", "!dist/**"],
@@ -66,6 +71,19 @@
     "@browserbasehq/stagehand-evals#typecheck": {
       "dependsOn": ["^build"]
     },
+    "@browserbasehq/stagehand-integrations#typecheck": {
+      "dependsOn": ["^build"]
+    },
+    "@browserbasehq/stagehand-integrations#test:unit": {
+      "dependsOn": ["^build", "@browserbasehq/stagehand-integrations#build"],
+      "inputs": [
+        "$TURBO_DEFAULT$",
+        "tests/**",
+        "src/**",
+        "**/*.test.ts",
+        "$TURBO_ROOT$/vitest.config.ts"
+      ]
+    },
     "@browserbasehq/stagehand-docs#typecheck": {},
     "test:unit": {
       "dependsOn": ["^build"],
diff --git a/vitest.config.ts b/vitest.config.ts
index 826ac255c9..0c3f2127e5 100644
--- a/vitest.config.ts
+++ b/vitest.config.ts
@@ -9,6 +9,7 @@ export default defineConfig({
       "packages/protocol/json-rpc/tests/**/*.test.ts",
       "packages/docs/tests/**/*.test.ts",
       "packages/evals/tests/**/*.test.ts",
+      "packages/integrations/tests/**/*.test.ts",
       "packages/extension/tests/**/*.test.ts",
       "packages/sdk-ts/tests/**/*.test.ts",
       "packages/extension/understudy/**/*.test.ts",