diff --git a/libs/langchain-standard-tests/.gitignore b/libs/langchain-standard-tests/.gitignore
index ae701c7fe705..c10034e2f1be 100644
--- a/libs/langchain-standard-tests/.gitignore
+++ b/libs/langchain-standard-tests/.gitignore
@@ -1,3 +1,7 @@
+index.cjs
+index.js
+index.d.ts
+index.d.cts
 node_modules
 dist
 .yarn
diff --git a/libs/langchain-standard-tests/langchain.config.js b/libs/langchain-standard-tests/langchain.config.js
index 46b1a2b31264..25a18707a316 100644
--- a/libs/langchain-standard-tests/langchain.config.js
+++ b/libs/langchain-standard-tests/langchain.config.js
@@ -14,7 +14,6 @@ export const config = {
   entrypoints: {
     index: "index",
   },
-  requiresOptionalDependency: [],
   tsConfigPath: resolve("./tsconfig.json"),
   cjsSource: "./dist-cjs",
   cjsDestination: "./dist",
diff --git a/libs/langchain-standard-tests/package.json b/libs/langchain-standard-tests/package.json
index 8a33767a96f1..d25b4d51f886 100644
--- a/libs/langchain-standard-tests/package.json
+++ b/libs/langchain-standard-tests/package.json
@@ -14,26 +14,20 @@
   },
   "homepage": "https://github.com/langchain-ai/langchainjs/tree/main/libs/langchain-standard-tests/",
   "scripts": {
-    "build": "yarn clean && yarn build:esm && yarn build:cjs && yarn build:scripts",
-    "build:esm": "NODE_OPTIONS=--max-old-space-size=4096 tsc --outDir dist/ && rm -rf dist/tests dist/**/tests",
-    "build:cjs": "NODE_OPTIONS=--max-old-space-size=4096 tsc --outDir dist-cjs/ -p tsconfig.cjs.json && yarn move-cjs-to-dist && rm -rf dist-cjs",
-    "build:watch": "yarn create-entrypoints && tsc --outDir dist/ --watch",
-    "build:scripts": "yarn create-entrypoints && yarn check-tree-shaking",
+    "build": "yarn turbo:command build:internal --filter=@langchain/standard-tests",
+    "build:internal": "yarn lc-build:v2 --create-entrypoints --pre --tree-shaking",
     "lint:eslint": "NODE_OPTIONS=--max-old-space-size=4096 eslint --cache --ext .ts,.js src/",
     "lint:dpdm": "dpdm --exit-code circular:1 --no-warning --no-tree src/*.ts src/**/*.ts",
     "lint": "yarn lint:eslint && yarn lint:dpdm",
     "lint:fix": "yarn lint:eslint --fix && yarn lint:dpdm",
-    "clean": "rm -rf dist/ && NODE_OPTIONS=--max-old-space-size=4096 yarn lc-build --config ./langchain.config.js --create-entrypoints --pre",
+    "clean": "rm -rf .turbo dist/",
     "prepack": "yarn build",
     "test": "NODE_OPTIONS=--experimental-vm-modules jest --testPathIgnorePatterns=\\.int\\.test.ts --testTimeout 30000 --maxWorkers=50%",
     "test:watch": "NODE_OPTIONS=--experimental-vm-modules jest --watch --testPathIgnorePatterns=\\.int\\.test.ts",
     "test:single": "NODE_OPTIONS=--experimental-vm-modules yarn run jest --config jest.config.cjs --testTimeout 100000",
     "test:int": "NODE_OPTIONS=--experimental-vm-modules jest --testPathPattern=\\.int\\.test.ts --testTimeout 100000 --maxWorkers=50%",
     "format": "prettier --config .prettierrc --write \"src\"",
-    "format:check": "prettier --config .prettierrc --check \"src\"",
-    "move-cjs-to-dist": "yarn lc-build --config ./langchain.config.js --move-cjs-dist",
-    "create-entrypoints": "yarn lc-build --config ./langchain.config.js --create-entrypoints",
-    "check-tree-shaking": "yarn lc-build --config ./langchain.config.js --tree-shaking"
+    "format:check": "prettier --config .prettierrc --check \"src\""
   },
   "author": "LangChain",
   "license": "MIT",
@@ -69,7 +63,11 @@
   },
   "exports": {
     ".": {
-      "types": "./index.d.ts",
+      "types": {
+        "import": "./index.d.ts",
+        "require": "./index.d.cts",
+        "default": "./index.d.ts"
+      },
       "import": "./index.js",
       "require": "./index.cjs"
     },
@@ -79,6 +77,7 @@
     "dist/",
     "index.cjs",
     "index.js",
-    "index.d.ts"
+    "index.d.ts",
+    "index.d.cts"
   ]
 }
diff --git a/libs/langchain-standard-tests/src/chat_models.ts b/libs/langchain-standard-tests/src/chat_models.ts
deleted file mode 100644
index 7ead127849b1..000000000000
--- a/libs/langchain-standard-tests/src/chat_models.ts
+++ /dev/null
@@ -1,105 +0,0 @@
-import { type BaseMessage } from "@langchain/core/messages";
-import { type BaseLanguageModelCallOptions } from "@langchain/core/language_models/base";
-
-import { CallbackManagerForLLMRun } from "@langchain/core/callbacks/manager";
-import {
-  type BaseChatModelParams,
-  SimpleChatModel,
-} from "@langchain/core/language_models/chat_models";
-
-// Uncomment if implementing streaming
-
-// import {
-//   ChatGenerationChunk,
-// } from "@langchain/core/outputs";
-// import {
-//   AIMessageChunk,
-// } from "@langchain/core/messages";
-
-/**
- * Input to chat model class.
- */
-export interface ChatIntegrationInput extends BaseChatModelParams {}
-
-/**
- * Integration with a chat model.
- */
-export class ChatIntegration<
-    CallOptions extends BaseLanguageModelCallOptions = BaseLanguageModelCallOptions
-  >
-  extends SimpleChatModel<CallOptions>
-  implements ChatIntegrationInput
-{
-  // Used for tracing, replace with the same name as your class
-  static lc_name() {
-    return "ChatIntegration";
-  }
-
-  lc_serializable = true;
-
-  /**
-   * Replace with any secrets this class passes to `super`.
-   * See {@link ../../langchain-cohere/src/chat_model.ts} for
-   * an example.
-   */
-  get lc_secrets(): { [key: string]: string } | undefined {
-    return {
-      apiKey: "API_KEY_NAME",
-    };
-  }
-
-  get lc_aliases(): { [key: string]: string } | undefined {
-    return {
-      apiKey: "API_KEY_NAME",
-    };
-  }
-
-  constructor(fields?: ChatIntegrationInput) {
-    super(fields ?? {});
-  }
-
-  // Replace
-  _llmType() {
-    return "chat_integration";
-  }
-
-  /**
-   * For some given input messages and options, return a string output.
-   */
-  _call(
-    _messages: BaseMessage[],
-    _options: this["ParsedCallOptions"],
-    _runManager?: CallbackManagerForLLMRun
-  ): Promise<string> {
-    throw new Error("Not implemented.");
-  }
-
-  /**
-   * Implement to support streaming.
-   * Should yield chunks iteratively.
-   */
-  // async *_streamResponseChunks(
-  //   messages: BaseMessage[],
-  //   options: this["ParsedCallOptions"],
-  //   runManager?: CallbackManagerForLLMRun
-  // ): AsyncGenerator<ChatGenerationChunk> {
-  //   // All models have a built in `this.caller` property for retries
-  //   const stream = await this.caller.call(async () =>
-  //     createStreamMethod()
-  //   );
-  //   for await (const chunk of stream) {
-  //     if (!chunk.done) {
-  //       yield new ChatGenerationChunk({
-  //         text: chunk.response,
-  //         message: new AIMessageChunk({ content: chunk.response }),
-  //       });
-  //       await runManager?.handleLLMNewToken(chunk.response ?? "");
-  //     }
-  //   }
-  // }
-
-  /** @ignore */
-  _combineLLMOutput() {
-    return [];
-  }
-}
diff --git a/libs/langchain-standard-tests/src/index.ts b/libs/langchain-standard-tests/src/index.ts
index 564fb4a3c181..57ff0dc1b045 100644
--- a/libs/langchain-standard-tests/src/index.ts
+++ b/libs/langchain-standard-tests/src/index.ts
@@ -1,3 +1,2 @@
-export * from "./chat_models.js";
-export * from "./llms.js";
-export * from "./vectorstores.js";
+export * from "./unit_tests/chat_models.js";
+export * from "./integration_tests/chat_models.js";
diff --git a/libs/langchain-standard-tests/src/integration_tests/chat_models.ts b/libs/langchain-standard-tests/src/integration_tests/chat_models.ts
new file mode 100644
index 000000000000..cb0ff5c3b541
--- /dev/null
+++ b/libs/langchain-standard-tests/src/integration_tests/chat_models.ts
@@ -0,0 +1 @@
+export {};
diff --git a/libs/langchain-standard-tests/src/llms.ts b/libs/langchain-standard-tests/src/llms.ts
deleted file mode 100644
index 309de10163ed..000000000000
--- a/libs/langchain-standard-tests/src/llms.ts
+++ /dev/null
@@ -1,90 +0,0 @@
-import { CallbackManagerForLLMRun } from "@langchain/core/callbacks/manager";
-import { LLM, type BaseLLMParams } from "@langchain/core/language_models/llms";
-import { type BaseLanguageModelCallOptions } from "@langchain/core/language_models/base";
-
-// Uncomment if implementing streaming
-
-// import {
-//   GenerationChunk,
-// } from "@langchain/core/outputs";
-
-/**
- * Input to LLM class.
- */
-export interface LLMIntegrationInput extends BaseLLMParams {}
-
-/**
- * Integration with an LLM.
- */
-export class LLMIntegration
-  extends LLM<BaseLanguageModelCallOptions>
-  implements LLMIntegrationInput
-{
-  // Used for tracing, replace with the same name as your class
-  static lc_name() {
-    return "LLMIntegration";
-  }
-
-  lc_serializable = true;
-
-  constructor(fields: LLMIntegrationInput) {
-    super(fields);
-  }
-
-  // Replace
-  _llmType() {
-    return "llm_integration";
-  }
-
-  /**
-   * Replace with any secrets this class passes to `super`.
-   * See {@link ../../langchain-cohere/src/chat_model.ts} for
-   * an example.
-   */
-  get lc_secrets(): { [key: string]: string } | undefined {
-    return {
-      apiKey: "API_KEY_NAME",
-    };
-  }
-
-  get lc_aliases(): { [key: string]: string } | undefined {
-    return {
-      apiKey: "API_KEY_NAME",
-    };
-  }
-
-  /**
-   * For some given input string and options, return a string output.
-   */
-  async _call(
-    _prompt: string,
-    _options: this["ParsedCallOptions"],
-    _runManager?: CallbackManagerForLLMRun
-  ): Promise<string> {
-    throw new Error("Not implemented.");
-  }
-
-  /**
-   * Implement to support streaming.
-   * Should yield chunks iteratively.
-   */
-  // async *_streamResponseChunks(
-  //   prompt: string,
-  //   options: this["ParsedCallOptions"],
-  //   runManager?: CallbackManagerForLLMRun
-  // ): AsyncGenerator<GenerationChunk> {
-  //   const stream = await this.caller.call(async () =>
-  //     createStream()
-  //   );
-  //   for await (const chunk of stream) {
-  //     yield new GenerationChunk({
-  //       text: chunk.response,
-  //       generationInfo: {
-  //         ...chunk,
-  //         response: undefined,
-  //       },
-  //     });
-  //     await runManager?.handleLLMNewToken(chunk.response ?? "");
-  //   }
-  // }
-}
diff --git a/libs/langchain-standard-tests/src/tests/chat_models.test.ts b/libs/langchain-standard-tests/src/tests/chat_models.test.ts
deleted file mode 100644
index 5d609f496501..000000000000
--- a/libs/langchain-standard-tests/src/tests/chat_models.test.ts
+++ /dev/null
@@ -1,5 +0,0 @@
-import { test } from "@jest/globals";
-
-test("Test chat model", async () => {
-  // Your test here
-});
diff --git a/libs/langchain-standard-tests/src/tests/integration.int.test.ts b/libs/langchain-standard-tests/src/tests/integration.int.test.ts
deleted file mode 100644
index 7fce4ce53302..000000000000
--- a/libs/langchain-standard-tests/src/tests/integration.int.test.ts
+++ /dev/null
@@ -1,5 +0,0 @@
-import { test } from "@jest/globals";
-
-test("Test chat model", async () => {
-  // Your integration test here
-});
diff --git a/libs/langchain-standard-tests/src/tests/llms.test.ts b/libs/langchain-standard-tests/src/tests/llms.test.ts
deleted file mode 100644
index 3428ecaaf599..000000000000
--- a/libs/langchain-standard-tests/src/tests/llms.test.ts
+++ /dev/null
@@ -1,5 +0,0 @@
-import { test } from "@jest/globals";
-
-test("Test LLM", async () => {
-  // Your test here
-});
diff --git a/libs/langchain-standard-tests/src/tests/vectorstores.test.ts b/libs/langchain-standard-tests/src/tests/vectorstores.test.ts
deleted file mode 100644
index 023cfbd8b77c..000000000000
--- a/libs/langchain-standard-tests/src/tests/vectorstores.test.ts
+++ /dev/null
@@ -1,5 +0,0 @@
-import { test } from "@jest/globals";
-
-test("Test vectorstore", async () => {
-  // Your test here
-});
diff --git a/libs/langchain-standard-tests/src/unit_tests/chat_models.ts b/libs/langchain-standard-tests/src/unit_tests/chat_models.ts
new file mode 100644
index 000000000000..cb0ff5c3b541
--- /dev/null
+++ b/libs/langchain-standard-tests/src/unit_tests/chat_models.ts
@@ -0,0 +1 @@
+export {};
diff --git a/libs/langchain-standard-tests/src/vectorstores.ts b/libs/langchain-standard-tests/src/vectorstores.ts
deleted file mode 100644
index 5a24e3bba1db..000000000000
--- a/libs/langchain-standard-tests/src/vectorstores.ts
+++ /dev/null
@@ -1,100 +0,0 @@
-import type { EmbeddingsInterface } from "@langchain/core/embeddings";
-import { VectorStore } from "@langchain/core/vectorstores";
-import { Document } from "@langchain/core/documents";
-
-/**
- * Database config for your vectorstore.
- */
-export interface VectorstoreIntegrationParams {}
-
-/**
- * Class for managing and operating vector search applications with
- * Tigris, an open-source Serverless NoSQL Database and Search Platform.
- */
-export class VectorstoreIntegration extends VectorStore {
-  // Replace
-  _vectorstoreType(): string {
-    return "vectorstore_integration";
-  }
-
-  constructor(
-    embeddings: EmbeddingsInterface,
-    params: VectorstoreIntegrationParams
-  ) {
-    super(embeddings, params);
-    this.embeddings = embeddings;
-  }
-
-  /**
-   * Replace with any secrets this class passes to `super`.
-   * See {@link ../../langchain-cohere/src/chat_model.ts} for
-   * an example.
-   */
-  get lc_secrets(): { [key: string]: string } | undefined {
-    return {
-      apiKey: "API_KEY_NAME",
-    };
-  }
-
-  get lc_aliases(): { [key: string]: string } | undefined {
-    return {
-      apiKey: "API_KEY_NAME",
-    };
-  }
-
-  /**
-   * Method to add an array of documents to the vectorstore.
-   *
-   * Useful to override in case your vectorstore doesn't work directly with embeddings.
-   */
-  async addDocuments(
-    documents: Document[],
-    options?: { ids?: string[] } | string[]
-  ): Promise<void> {
-    const texts = documents.map(({ pageContent }) => pageContent);
-    await this.addVectors(
-      await this.embeddings.embedDocuments(texts),
-      documents,
-      options
-    );
-  }
-
-  /**
-   * Method to add raw vectors to the vectorstore.
-   */
-  async addVectors(
-    _vectors: number[][],
-    _documents: Document[],
-    _options?: { ids?: string[] } | string[]
-  ) {
-    throw new Error("Not implemented.");
-  }
-
-  /**
-   * Method to perform a similarity search over the vectorstore and return
-   * the k most similar vectors along with their similarity scores.
-   */
-  async similaritySearchVectorWithScore(
-    _query: number[],
-    _k: number,
-    _filter?: object
-  ): Promise<[Document, number][]> {
-    throw new Error("Not implemented.");
-  }
-
-  /**
-   * Static method to create a new instance of the vectorstore from an
-   * array of Document instances.
-   *
-   * Other common static initializer names are fromExistingIndex, initialize, and fromTexts.
-   */
-  static async fromDocuments(
-    docs: Document[],
-    embeddings: EmbeddingsInterface,
-    dbConfig: VectorstoreIntegrationParams
-  ): Promise<VectorstoreIntegration> {
-    const instance = new this(embeddings, dbConfig);
-    await instance.addDocuments(docs);
-    return instance;
-  }
-}
diff --git a/libs/langchain-standard-tests/tsconfig.cjs.json b/libs/langchain-standard-tests/tsconfig.cjs.json
index 3b7026ea406c..510d791e34ab 100644
--- a/libs/langchain-standard-tests/tsconfig.cjs.json
+++ b/libs/langchain-standard-tests/tsconfig.cjs.json
@@ -1,7 +1,6 @@
 {
   "extends": "./tsconfig.json",
   "compilerOptions": {
-    "module": "commonjs",
     "declaration": false
   },
   "exclude": ["node_modules", "dist", "docs", "**/tests"]
diff --git a/libs/langchain-standard-tests/turbo.json b/libs/langchain-standard-tests/turbo.json
new file mode 100644
index 000000000000..d024cee15c81
--- /dev/null
+++ b/libs/langchain-standard-tests/turbo.json
@@ -0,0 +1,11 @@
+{
+  "extends": ["//"],
+  "pipeline": {
+    "build": {
+      "outputs": ["**/dist/**"]
+    },
+    "build:internal": {
+      "dependsOn": ["^build:internal"]
+    }
+  }
+}