diff --git a/environment_tests/test-exports-cf/package.json b/environment_tests/test-exports-cf/package.json
index 86264ea5ee3e..e4381ee76937 100644
--- a/environment_tests/test-exports-cf/package.json
+++ b/environment_tests/test-exports-cf/package.json
@@ -12,7 +12,6 @@
     "@langchain/core": "workspace:*",
     "@langchain/openai": "workspace:*",
     "@tsconfig/recommended": "^1.0.2",
-    "d3-dsv": "2",
     "langchain": "workspace:*",
     "wrangler": "^3.19.0",
     "vitest": "0.34.3",
diff --git a/environment_tests/test-exports-cf/src/index.ts b/environment_tests/test-exports-cf/src/index.ts
index b89be67fcc5a..8bab0db82c3d 100644
--- a/environment_tests/test-exports-cf/src/index.ts
+++ b/environment_tests/test-exports-cf/src/index.ts
@@ -12,7 +12,6 @@
 import "./entrypoints.js";
 
 // Import a few things we'll use to test the exports
-import { LLMChain } from "langchain/chains";
 import { ChatOpenAI } from "@langchain/openai";
 import {
   ChatPromptTemplate,
@@ -20,6 +19,8 @@ import {
 } from "@langchain/core/prompts";
 import { OpenAI } from "@langchain/openai";
 import { OpenAIEmbeddings } from "@langchain/openai";
+import { StringOutputParser } from "@langchain/core/output_parsers";
+import { MemoryVectorStore } from "langchain/vectorstores/memory";
 
 export interface Env {
   OPENAI_API_KEY?: string;
@@ -51,14 +52,12 @@ export default {
     const emb = new OpenAIEmbeddings(constructorParameters);
 
     // Test a chain + prompt + model
-    const chain = new LLMChain({
-      llm: new ChatOpenAI(constructorParameters),
-      prompt: ChatPromptTemplate.fromMessages([
-        HumanMessagePromptTemplate.fromTemplate("{input}"),
-      ]),
-    });
-    const res = await chain.run("hello");
-
+    const prompt = ChatPromptTemplate.fromMessages([
+      HumanMessagePromptTemplate.fromTemplate("{input}"),
+    ]);
+    const llm = new ChatOpenAI(constructorParameters);
+    const chain = prompt.pipe(llm).pipe(new StringOutputParser());
+    const res = await chain.invoke("hello");
     return new Response(
       `Hello, from Cloudflare Worker at ${request.url}. Assistant says: ${res}`
     );
diff --git a/environment_tests/test-exports-cjs/package.json b/environment_tests/test-exports-cjs/package.json
index 1c842dd768c9..869134a6856f 100644
--- a/environment_tests/test-exports-cjs/package.json
+++ b/environment_tests/test-exports-cjs/package.json
@@ -27,8 +27,6 @@
     "@langchain/openai": "workspace:*",
     "@tsconfig/recommended": "^1.0.2",
     "@xenova/transformers": "^2.17.2",
-    "d3-dsv": "2",
-    "hnswlib-node": "^3.0.0",
     "langchain": "workspace:*",
     "typescript": "^5.0.0"
   },
diff --git a/environment_tests/test-exports-cjs/src/import.js b/environment_tests/test-exports-cjs/src/import.js
index d0c116c774e5..752cfdea37ba 100644
--- a/environment_tests/test-exports-cjs/src/import.js
+++ b/environment_tests/test-exports-cjs/src/import.js
@@ -3,24 +3,17 @@ async function test() {
   const { OpenAI } = await import("@langchain/openai");
   const { LLMChain } = await import("langchain/chains");
   const { ChatPromptTemplate } = await import("@langchain/core/prompts");
-  const { HNSWLib } = await import("@langchain/community/vectorstores/hnswlib");
   const { HuggingFaceTransformersEmbeddings } = await import("@langchain/community/embeddings/hf_transformers");
   const { Document } = await import("@langchain/core/documents");
+  const { MemoryVectorStore } = await import("langchain/vectorstores/memory");
 
   // Test exports
   assert(typeof OpenAI === "function");
   assert(typeof LLMChain === "function");
   assert(typeof ChatPromptTemplate === "function");
-  assert(typeof HNSWLib === "function");
+  assert(typeof MemoryVectorStore === "function");
 
-  // Test dynamic imports of peer dependencies
-  const { HierarchicalNSW } = await HNSWLib.imports();
-
-  const vs = new HNSWLib(new HuggingFaceTransformersEmbeddings({ model: "Xenova/all-MiniLM-L6-v2" }), {
-    space: "ip",
-    numDimensions: 3,
-    index: new HierarchicalNSW("ip", 3),
-  });
+  const vs = new MemoryVectorStore(new HuggingFaceTransformersEmbeddings({ model: "Xenova/all-MiniLM-L6-v2" }));
 
   await vs.addVectors(
     [
diff --git a/environment_tests/test-exports-cjs/src/index.mjs b/environment_tests/test-exports-cjs/src/index.mjs
index 36ce9d72a71d..632b8081fbaa 100644
--- a/environment_tests/test-exports-cjs/src/index.mjs
+++ b/environment_tests/test-exports-cjs/src/index.mjs
@@ -1,7 +1,7 @@
 import assert from "assert";
 import { OpenAI } from "@langchain/openai";
 import { LLMChain } from "langchain/chains";
-import { HNSWLib } from "@langchain/community/vectorstores/hnswlib";
+import { MemoryVectorStore } from "langchain/vectorstores/memory";
 import { ChatPromptTemplate } from "@langchain/core/prompts";
 import { HuggingFaceTransformersEmbeddings } from "@langchain/community/embeddings/hf_transformers";
 import { Document } from "@langchain/core/documents";
@@ -10,16 +10,9 @@ import { Document } from "@langchain/core/documents";
 assert(typeof OpenAI === "function");
 assert(typeof LLMChain === "function");
 assert(typeof ChatPromptTemplate === "function");
-assert(typeof HNSWLib === "function");
+assert(typeof MemoryVectorStore === "function");
 
-// Test dynamic imports of peer dependencies
-const { HierarchicalNSW } = await HNSWLib.imports();
-
-const vs = new HNSWLib(new HuggingFaceTransformersEmbeddings({ model: "Xenova/all-MiniLM-L6-v2" }), {
-  space: "ip",
-  numDimensions: 3,
-  index: new HierarchicalNSW("ip", 3),
-});
+const vs = new MemoryVectorStore(new HuggingFaceTransformersEmbeddings({ model: "Xenova/all-MiniLM-L6-v2" }));
 
 await vs.addVectors(
   [
diff --git a/environment_tests/test-exports-cjs/src/index.ts b/environment_tests/test-exports-cjs/src/index.ts
index 66a7b716b4d8..d2dcb9ebab0d 100644
--- a/environment_tests/test-exports-cjs/src/index.ts
+++ b/environment_tests/test-exports-cjs/src/index.ts
@@ -2,7 +2,7 @@ import assert from "assert";
 import { OpenAI } from "@langchain/openai";
 import { LLMChain } from "langchain/chains";
 import { ChatPromptTemplate } from "@langchain/core/prompts";
-import { HNSWLib } from "@langchain/community/vectorstores/hnswlib";
+import { MemoryVectorStore } from "langchain/vectorstores/memory";
 import { HuggingFaceTransformersEmbeddings } from "@langchain/community/embeddings/hf_transformers";
 import { Document } from "@langchain/core/documents";
 
@@ -11,10 +11,9 @@ async function test(useAzure: boolean = false) {
   assert(typeof OpenAI === "function");
   assert(typeof LLMChain === "function");
   assert(typeof ChatPromptTemplate === "function");
-  assert(typeof HNSWLib === "function");
+  assert(typeof MemoryVectorStore === "function");
 
   // Test dynamic imports of peer dependencies
-  const { HierarchicalNSW } = await HNSWLib.imports();
   const openAIParameters = useAzure
     ? {
         azureOpenAIApiKey: "sk-XXXX",
@@ -25,11 +24,8 @@ async function test(useAzure: boolean = false) {
     : {
         openAIApiKey: "sk-XXXX",
       };
-  const vs = new HNSWLib(new HuggingFaceTransformersEmbeddings({ model: "Xenova/all-MiniLM-L6-v2" }), {
-    space: "ip",
-    numDimensions: 3,
-    index: new HierarchicalNSW("ip", 3),
-  });
+
+  const vs = new MemoryVectorStore(new HuggingFaceTransformersEmbeddings({ model: "Xenova/all-MiniLM-L6-v2" }));
 
   await vs.addVectors(
     [
diff --git a/environment_tests/test-exports-cjs/src/require.js b/environment_tests/test-exports-cjs/src/require.js
index 7f6fb549111d..1343f8587f35 100644
--- a/environment_tests/test-exports-cjs/src/require.js
+++ b/environment_tests/test-exports-cjs/src/require.js
@@ -2,7 +2,7 @@ const assert = require("assert");
 const { OpenAI } = require("@langchain/openai");
 const { LLMChain } = require("langchain/chains");
 const { ChatPromptTemplate } = require("@langchain/core/prompts");
-const { HNSWLib } = require("@langchain/community/vectorstores/hnswlib");
+const { MemoryVectorStore } = require("langchain/vectorstores/memory");
 const { HuggingFaceTransformersEmbeddings } = require("@langchain/community/embeddings/hf_transformers");
 const { Document } = require("@langchain/core/documents");
 
@@ -11,16 +11,9 @@ async function test() {
   assert(typeof OpenAI === "function");
   assert(typeof LLMChain === "function");
   assert(typeof ChatPromptTemplate === "function");
-  assert(typeof HNSWLib === "function");
+  assert(typeof MemoryVectorStore === "function");
 
-  // Test dynamic imports of peer dependencies
-  const { HierarchicalNSW } = await HNSWLib.imports();
-
-  const vs = new HNSWLib(new HuggingFaceTransformersEmbeddings({ model: "Xenova/all-MiniLM-L6-v2" }), {
-    space: "ip",
-    numDimensions: 3,
-    index: new HierarchicalNSW("ip", 3),
-  });
+  const vs = new MemoryVectorStore(new HuggingFaceTransformersEmbeddings({ model: "Xenova/all-MiniLM-L6-v2" }));
 
   await vs.addVectors(
     [
diff --git a/environment_tests/test-exports-esbuild/package.json b/environment_tests/test-exports-esbuild/package.json
index d4eb19c76517..03c66e9770b0 100644
--- a/environment_tests/test-exports-esbuild/package.json
+++ b/environment_tests/test-exports-esbuild/package.json
@@ -25,7 +25,6 @@
     "@langchain/openai": "workspace:*",
     "@tsconfig/recommended": "^1.0.2",
     "esbuild": "^0.17.18",
-    "hnswlib-node": "^3.0.0",
     "langchain": "workspace:*",
     "typescript": "^5.0.0"
   },
diff --git a/environment_tests/test-exports-esbuild/src/import.cjs b/environment_tests/test-exports-esbuild/src/import.cjs
index 5a63cc4eb32f..0d56038c6680 100644
--- a/environment_tests/test-exports-esbuild/src/import.cjs
+++ b/environment_tests/test-exports-esbuild/src/import.cjs
@@ -3,7 +3,7 @@ async function test() {
   const { OpenAI } = await import("@langchain/openai");
   const { LLMChain } = await import("langchain/chains");
   const { ChatPromptTemplate } = await import("@langchain/core/prompts");
-  const { HNSWLib } = await import("@langchain/community/vectorstores/hnswlib");
+  const { MemoryVectorStore } = await import("langchain/vectorstores/memory");
   const { OpenAIEmbeddings } = await import("@langchain/openai");
   const { Document } = await import("@langchain/core/documents");
 
@@ -11,16 +11,9 @@ async function test() {
   assert(typeof OpenAI === "function");
   assert(typeof LLMChain === "function");
   assert(typeof ChatPromptTemplate === "function");
-  assert(typeof HNSWLib === "function");
+  assert(typeof MemoryVectorStore === "function");
 
-  // Test dynamic imports of peer dependencies
-  const { HierarchicalNSW } = await HNSWLib.imports();
-
-  const vs = new HNSWLib(new OpenAIEmbeddings({ openAIApiKey: "sk-XXXX" }), {
-    space: "ip",
-    numDimensions: 3,
-    index: new HierarchicalNSW("ip", 3),
-  });
+  const vs = new MemoryVectorStore(new OpenAIEmbeddings({ openAIApiKey: "sk-XXXX" }));
 
   await vs.addVectors(
     [
diff --git a/environment_tests/test-exports-esbuild/src/index.js b/environment_tests/test-exports-esbuild/src/index.js
index 167a8f92d612..dc1227f31169 100644
--- a/environment_tests/test-exports-esbuild/src/index.js
+++ b/environment_tests/test-exports-esbuild/src/index.js
@@ -2,7 +2,7 @@ import assert from "assert";
 import { OpenAI } from "@langchain/openai";
 import { LLMChain } from "langchain/chains";
 import { ChatPromptTemplate } from "@langchain/core/prompts";
-import { HNSWLib } from "@langchain/community/vectorstores/hnswlib";
+import { MemoryVectorStore } from "langchain/vectorstores/memory";
 import { OpenAIEmbeddings } from "@langchain/openai";
 import { Document } from "@langchain/core/documents";
 import { CallbackManager } from "@langchain/core/callbacks/manager";
@@ -11,18 +11,11 @@ import { CallbackManager } from "@langchain/core/callbacks/manager";
 assert(typeof OpenAI === "function");
 assert(typeof LLMChain === "function");
 assert(typeof ChatPromptTemplate === "function");
-assert(typeof HNSWLib === "function");
+assert(typeof MemoryVectorStore === "function");
 assert(typeof OpenAIEmbeddings === "function");
 assert(typeof CallbackManager === "function");
 
-// Test dynamic imports of peer dependencies
-const { HierarchicalNSW } = await HNSWLib.imports();
-
-const vs = new HNSWLib(new OpenAIEmbeddings({ openAIApiKey: "sk-XXXX" }), {
-  space: "ip",
-  numDimensions: 3,
-  index: new HierarchicalNSW("ip", 3),
-});
+const vs = new MemoryVectorStore(new OpenAIEmbeddings({ openAIApiKey: "sk-XXXX" }));
 
 await vs.addVectors(
   [
diff --git a/environment_tests/test-exports-esbuild/src/require.cjs b/environment_tests/test-exports-esbuild/src/require.cjs
index b0920e12d41e..7750e2def235 100644
--- a/environment_tests/test-exports-esbuild/src/require.cjs
+++ b/environment_tests/test-exports-esbuild/src/require.cjs
@@ -2,7 +2,7 @@ const assert = require("assert");
 const { OpenAI } = require("@langchain/openai");
 const { LLMChain } = require("langchain/chains");
 const { ChatPromptTemplate } = require("@langchain/core/prompts");
-const { HNSWLib } = require("@langchain/community/vectorstores/hnswlib");
+const { MemoryVectorStore } = require("langchain/vectorstores/memory");
 const { OpenAIEmbeddings } = require("@langchain/openai");
 const { Document } = require("@langchain/core/documents");
 
@@ -11,16 +11,9 @@ async function test() {
   assert(typeof OpenAI === "function");
   assert(typeof LLMChain === "function");
   assert(typeof ChatPromptTemplate === "function");
-  assert(typeof HNSWLib === "function");
+  assert(typeof MemoryVectorStore === "function");
 
-  // Test dynamic imports of peer dependencies
-  const { HierarchicalNSW } = await HNSWLib.imports();
-
-  const vs = new HNSWLib(new OpenAIEmbeddings({ openAIApiKey: "sk-XXXX" }), {
-    space: "ip",
-    numDimensions: 3,
-    index: new HierarchicalNSW("ip", 3),
-  });
+  const vs = new MemoryVectorStore(new OpenAIEmbeddings({ openAIApiKey: "sk-XXXX" }));
 
   await vs.addVectors(
     [
diff --git a/environment_tests/test-exports-esbuild/src/typescript.ts b/environment_tests/test-exports-esbuild/src/typescript.ts
index 2c3989e8100c..0fdc84f9bedd 100644
--- a/environment_tests/test-exports-esbuild/src/typescript.ts
+++ b/environment_tests/test-exports-esbuild/src/typescript.ts
@@ -2,7 +2,7 @@ import assert from "assert";
 import { OpenAI } from "@langchain/openai";
 import { LLMChain } from "langchain/chains";
 import { ChatPromptTemplate } from "@langchain/core/prompts";
-import { HNSWLib } from "@langchain/community/vectorstores/hnswlib";
+import { MemoryVectorStore } from "langchain/vectorstores/memory";
 import { OpenAIEmbeddings } from "@langchain/openai";
 import { Document } from "@langchain/core/documents";
 
@@ -11,10 +11,8 @@ async function test(useAzure: boolean = false) {
   assert(typeof OpenAI === "function");
   assert(typeof LLMChain === "function");
   assert(typeof ChatPromptTemplate === "function");
-  assert(typeof HNSWLib === "function");
+  assert(typeof MemoryVectorStore === "function");
 
-  // Test dynamic imports of peer dependencies
-  const { HierarchicalNSW } = await HNSWLib.imports();
   const openAIParameters = useAzure
     ? {
         azureOpenAIApiKey: "sk-XXXX",
@@ -26,11 +24,7 @@ async function test(useAzure: boolean = false) {
         openAIApiKey: "sk-XXXX",
       };
 
-  const vs = new HNSWLib(new OpenAIEmbeddings(openAIParameters), {
-    space: "ip",
-    numDimensions: 3,
-    index: new HierarchicalNSW("ip", 3),
-  });
+  const vs = new MemoryVectorStore(new OpenAIEmbeddings(openAIParameters));
 
   await vs.addVectors(
     [
diff --git a/environment_tests/test-exports-esm/package.json b/environment_tests/test-exports-esm/package.json
index 81e31aec7d05..df0bb2b40168 100644
--- a/environment_tests/test-exports-esm/package.json
+++ b/environment_tests/test-exports-esm/package.json
@@ -28,7 +28,6 @@
     "@langchain/openai": "workspace:*",
     "@tsconfig/recommended": "^1.0.2",
     "@xenova/transformers": "^2.17.2",
-    "hnswlib-node": "^3.0.0",
     "langchain": "workspace:*",
     "typescript": "^5.0.0"
   },
diff --git a/environment_tests/test-exports-esm/src/import.cjs b/environment_tests/test-exports-esm/src/import.cjs
index 31cfb59e0996..6837754c442c 100644
--- a/environment_tests/test-exports-esm/src/import.cjs
+++ b/environment_tests/test-exports-esm/src/import.cjs
@@ -3,7 +3,7 @@ async function test() {
   const { OpenAI } = await import("@langchain/openai");
   const { LLMChain } = await import("langchain/chains");
   const { ChatPromptTemplate } = await import("@langchain/core/prompts");
-  const { HNSWLib } = await import("@langchain/community/vectorstores/hnswlib");
+  const { MemoryVectorStore } = await import("langchain/vectorstores/memory");
   const { HuggingFaceTransformersEmbeddings } = await import("@langchain/community/embeddings/hf_transformers");
   const { Document } = await import("@langchain/core/documents");
 
@@ -11,16 +11,9 @@ async function test() {
   assert(typeof OpenAI === "function");
   assert(typeof LLMChain === "function");
   assert(typeof ChatPromptTemplate === "function");
-  assert(typeof HNSWLib === "function");
+  assert(typeof MemoryVectorStore === "function");
 
-  // Test dynamic imports of peer dependencies
-  const { HierarchicalNSW } = await HNSWLib.imports();
-
-  const vs = new HNSWLib(new HuggingFaceTransformersEmbeddings({ model: "Xenova/all-MiniLM-L6-v2", }), {
-    space: "ip",
-    numDimensions: 3,
-    index: new HierarchicalNSW("ip", 3),
-  });
+  const vs = new MemoryVectorStore(new HuggingFaceTransformersEmbeddings({ model: "Xenova/all-MiniLM-L6-v2", }));
 
   await vs.addVectors(
     [
diff --git a/environment_tests/test-exports-esm/src/index.js b/environment_tests/test-exports-esm/src/index.js
index 950ff4934d24..2347699ee1dc 100644
--- a/environment_tests/test-exports-esm/src/index.js
+++ b/environment_tests/test-exports-esm/src/index.js
@@ -2,7 +2,7 @@ import assert from "assert";
 import { OpenAI } from "@langchain/openai";
 import { LLMChain } from "langchain/chains";
 import { ChatPromptTemplate } from "@langchain/core/prompts";
-import { HNSWLib } from "@langchain/community/vectorstores/hnswlib";
+import { MemoryVectorStore } from "langchain/vectorstores/memory";
 import { HuggingFaceTransformersEmbeddings } from "@langchain/community/embeddings/hf_transformers";
 import { Document } from "@langchain/core/documents";
 import { CallbackManager } from "@langchain/core/callbacks/manager";
@@ -11,18 +11,11 @@ import { CallbackManager } from "@langchain/core/callbacks/manager";
 assert(typeof OpenAI === "function");
 assert(typeof LLMChain === "function");
 assert(typeof ChatPromptTemplate === "function");
-assert(typeof HNSWLib === "function");
+assert(typeof MemoryVectorStore === "function");
 assert(typeof HuggingFaceTransformersEmbeddings === "function");
 assert(typeof CallbackManager === "function");
 
-// Test dynamic imports of peer dependencies
-const { HierarchicalNSW } = await HNSWLib.imports();
-
-const vs = new HNSWLib(new HuggingFaceTransformersEmbeddings({ model: "Xenova/all-MiniLM-L6-v2", }), {
-  space: "ip",
-  numDimensions: 3,
-  index: new HierarchicalNSW("ip", 3),
-});
+const vs = new MemoryVectorStore(new HuggingFaceTransformersEmbeddings({ model: "Xenova/all-MiniLM-L6-v2", }));
 
 await vs.addVectors(
   [
diff --git a/environment_tests/test-exports-esm/src/index.ts b/environment_tests/test-exports-esm/src/index.ts
index f01a635b08ef..c29f419c07a8 100644
--- a/environment_tests/test-exports-esm/src/index.ts
+++ b/environment_tests/test-exports-esm/src/index.ts
@@ -2,7 +2,7 @@ import assert from "assert";
 import { OpenAI } from "@langchain/openai";
 import { LLMChain } from "langchain/chains";
 import { ChatPromptTemplate } from "@langchain/core/prompts";
-import { HNSWLib } from "@langchain/community/vectorstores/hnswlib";
+import { MemoryVectorStore } from "langchain/vectorstores/memory";
 import { HuggingFaceTransformersEmbeddings } from "@langchain/community/embeddings/hf_transformers";
 import { Document } from "@langchain/core/documents";
 
@@ -11,10 +11,8 @@ async function test(useAzure: boolean = false) {
   assert(typeof OpenAI === "function");
   assert(typeof LLMChain === "function");
   assert(typeof ChatPromptTemplate === "function");
-  assert(typeof HNSWLib === "function");
+  assert(typeof MemoryVectorStore === "function");
 
-  // Test dynamic imports of peer dependencies
-  const { HierarchicalNSW } = await HNSWLib.imports();
   const openAIParameters = useAzure
     ? {
         azureOpenAIApiKey: "sk-XXXX",
@@ -26,11 +24,7 @@ async function test(useAzure: boolean = false) {
         openAIApiKey: "sk-XXXX",
       };
 
-  const vs = new HNSWLib(new HuggingFaceTransformersEmbeddings({ model: "Xenova/all-MiniLM-L6-v2", }), {
-    space: "ip",
-    numDimensions: 3,
-    index: new HierarchicalNSW("ip", 3),
-  });
+  const vs = new MemoryVectorStore(new HuggingFaceTransformersEmbeddings({ model: "Xenova/all-MiniLM-L6-v2", }));
 
   await vs.addVectors(
     [
diff --git a/environment_tests/test-exports-esm/src/require.cjs b/environment_tests/test-exports-esm/src/require.cjs
index b8dc4145ef4e..31461c4b6c23 100644
--- a/environment_tests/test-exports-esm/src/require.cjs
+++ b/environment_tests/test-exports-esm/src/require.cjs
@@ -2,7 +2,7 @@ const assert = require("assert");
 const { OpenAI } = require("@langchain/openai");
 const { LLMChain } = require("langchain/chains");
 const { ChatPromptTemplate } = require("@langchain/core/prompts");
-const { HNSWLib } = require("@langchain/community/vectorstores/hnswlib");
+const { MemoryVectorStore } = require("langchain/vectorstores/memory");
 const { HuggingFaceTransformersEmbeddings } = require("@langchain/community/embeddings/hf_transformers");
 const { Document } = require("@langchain/core/documents");
 
@@ -11,16 +11,9 @@ async function test() {
   assert(typeof OpenAI === "function");
   assert(typeof LLMChain === "function");
   assert(typeof ChatPromptTemplate === "function");
-  assert(typeof HNSWLib === "function");
+  assert(typeof MemoryVectorStore === "function");
 
-  // Test dynamic imports of peer dependencies
-  const { HierarchicalNSW } = await HNSWLib.imports();
-
-  const vs = new HNSWLib(new HuggingFaceTransformersEmbeddings({ model: "Xenova/all-MiniLM-L6-v2", }), {
-    space: "ip",
-    numDimensions: 3,
-    index: new HierarchicalNSW("ip", 3),
-  });
+  const vs = new MemoryVectorStore(new HuggingFaceTransformersEmbeddings({ model: "Xenova/all-MiniLM-L6-v2", }));
 
   await vs.addVectors(
     [
diff --git a/examples/package.json b/examples/package.json
index c3dab06a5b36..e20870dc08d7 100644
--- a/examples/package.json
+++ b/examples/package.json
@@ -49,7 +49,7 @@
     "@langchain/google-vertexai": "workspace:*",
     "@langchain/google-vertexai-web": "workspace:*",
     "@langchain/groq": "workspace:*",
-    "@langchain/langgraph": "^0.0.28",
+    "@langchain/langgraph": "^0.2.3",
     "@langchain/mistralai": "workspace:*",
     "@langchain/mongodb": "workspace:*",
     "@langchain/nomic": "workspace:*",
@@ -91,7 +91,7 @@
     "ioredis": "^5.3.2",
     "js-yaml": "^4.1.0",
     "langchain": "workspace:*",
-    "langsmith": "^0.1.43",
+    "langsmith": "^0.1.56",
     "mongodb": "^6.3.0",
     "pg": "^8.11.0",
     "pickleparser": "^0.2.1",
diff --git a/langchain-core/package.json b/langchain-core/package.json
index d8184eaa9b36..530bc1324495 100644
--- a/langchain-core/package.json
+++ b/langchain-core/package.json
@@ -37,7 +37,7 @@
     "camelcase": "6",
     "decamelize": "1.2.0",
     "js-tiktoken": "^1.0.12",
-    "langsmith": "^0.1.56-rc.1",
+    "langsmith": "^0.1.56",
     "mustache": "^4.2.0",
     "p-queue": "^6.6.2",
     "p-retry": "4",
diff --git a/langchain/package.json b/langchain/package.json
index 275c3977d85b..e885663908a0 100644
--- a/langchain/package.json
+++ b/langchain/package.json
@@ -520,7 +520,7 @@
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     "js-yaml": "^4.1.0",
     "jsonpointer": "^5.0.1",
-    "langsmith": "^0.1.56-rc.1",
+    "langsmith": "^0.1.56",
     "openapi-types": "^12.1.3",
     "p-retry": "4",
     "uuid": "^10.0.0",
diff --git a/libs/langchain-baidu-qianfan/package.json b/libs/langchain-baidu-qianfan/package.json
index 4f148830b845..86569d744929 100644
--- a/libs/langchain-baidu-qianfan/package.json
+++ b/libs/langchain-baidu-qianfan/package.json
@@ -42,7 +42,7 @@
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     "@jest/globals": "^29.5.0",
     "@langchain/core": "workspace:*",
-    "@langchain/openai": "~0.1.0",
+    "@langchain/openai": "~0.3.0",
     "@langchain/scripts": ">=0.1.0 <0.2.0",
     "@swc/core": "^1.3.90",
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diff --git a/libs/langchain-community/package.json b/libs/langchain-community/package.json
index 68270c52d197..389e6b303a1e 100644
--- a/libs/langchain-community/package.json
+++ b/libs/langchain-community/package.json
@@ -41,7 +41,7 @@
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     "js-yaml": "^4.1.0",
     "langchain": ">=0.2.3 <0.4.0",
-    "langsmith": "~0.1.30",
+    "langsmith": "~0.1.56",
     "uuid": "^10.0.0",
     "zod": "^3.22.3",
     "zod-to-json-schema": "^3.22.5"
diff --git a/yarn.lock b/yarn.lock
index b354dce7a688..b2651953ce27 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -11312,7 +11312,7 @@ __metadata:
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     "@jest/globals": ^29.5.0
     "@langchain/core": "workspace:*"
-    "@langchain/openai": ~0.1.0
+    "@langchain/openai": ~0.3.0
     "@langchain/scripts": ">=0.1.0 <0.2.0"
     "@swc/core": ^1.3.90
     "@swc/jest": ^0.2.29
@@ -11556,7 +11556,7 @@ __metadata:
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     jsonwebtoken: ^9.0.2
     langchain: ">=0.2.3 <0.4.0"
-    langsmith: ~0.1.30
+    langsmith: ~0.1.56
     llmonitor: ^0.5.9
     lodash: ^4.17.21
     lunary: ^0.7.10
@@ -11965,25 +11965,6 @@ __metadata:
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-  resolution: "@langchain/core@npm:0.2.32"
-  dependencies:
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-    camelcase: 6
-    decamelize: 1.2.0
-    js-tiktoken: ^1.0.12
-    langsmith: ^0.1.43
-    mustache: ^4.2.0
-    p-queue: ^6.6.2
-    p-retry: 4
-    uuid: ^10.0.0
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-    zod-to-json-schema: ^3.22.3
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-  languageName: node
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-
 "@langchain/core@workspace:*, @langchain/core@workspace:langchain-core":
   version: 0.0.0-use.local
   resolution: "@langchain/core@workspace:langchain-core"
@@ -12008,7 +11989,7 @@ __metadata:
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     jest-environment-node: ^29.6.4
     js-tiktoken: ^1.0.12
-    langsmith: ^0.1.56-rc.1
+    langsmith: ^0.1.56
     ml-matrix: ^6.10.4
     mustache: ^4.2.0
     p-queue: ^6.6.2
@@ -12322,7 +12303,7 @@ __metadata:
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-"@langchain/langgraph@npm:0.2.3":
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   dependencies:
@@ -12336,22 +12317,6 @@ __metadata:
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-    uuid: ^10.0.0
-    zod: ^3.23.8
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-  languageName: node
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-
 "@langchain/mistralai@*, @langchain/mistralai@workspace:*, @langchain/mistralai@workspace:libs/langchain-mistralai":
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@@ -12532,7 +12497,7 @@ __metadata:
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   resolution: "@langchain/openai@workspace:libs/langchain-openai"
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@@ -12567,19 +12532,6 @@ __metadata:
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-  resolution: "@langchain/openai@npm:0.1.3"
-  dependencies:
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-    js-tiktoken: ^1.0.12
-    openai: ^4.49.1
-    zod: ^3.22.4
-    zod-to-json-schema: ^3.22.3
-  checksum: 43aaafad2e1416bc23846c6c5084502025d3972c0b11b2ef2bcefd9da3dc1cd933cdf838c596404584af024adccc26e34476fededed0e614a19b47a4e5a8c8e5
-  languageName: node
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-
 "@langchain/pinecone@workspace:*, @langchain/pinecone@workspace:libs/langchain-pinecone":
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   resolution: "@langchain/pinecone@workspace:libs/langchain-pinecone"
@@ -19550,13 +19502,6 @@ __metadata:
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-"@types/uuid@npm:^9.0.1":
-  version: 9.0.2
-  resolution: "@types/uuid@npm:9.0.2"
-  checksum: 1754bcf3444e1e3aeadd6e774fc328eb53bc956665e2e8fb6ec127aa8e1f43d9a224c3d22a9a6233dca8dd81a12dc7fed4d84b8876dd5ec82d40f574f7ff8b68
-  languageName: node
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-
 "@types/validate-npm-package-name@npm:3.0.0":
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   resolution: "@types/validate-npm-package-name@npm:3.0.0"
@@ -27218,7 +27163,7 @@ __metadata:
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     "@langchain/google-vertexai-web": "workspace:*"
     "@langchain/groq": "workspace:*"
-    "@langchain/langgraph": ^0.0.28
+    "@langchain/langgraph": ^0.2.3
     "@langchain/mistralai": "workspace:*"
     "@langchain/mongodb": "workspace:*"
     "@langchain/nomic": "workspace:*"
@@ -27272,7 +27217,7 @@ __metadata:
     ioredis: ^5.3.2
     js-yaml: ^4.1.0
     langchain: "workspace:*"
-    langsmith: ^0.1.43
+    langsmith: ^0.1.56
     mongodb: ^6.3.0
     pg: ^8.11.0
     pickleparser: ^0.2.1
@@ -32805,7 +32750,7 @@ __metadata:
     js-tiktoken: ^1.0.12
     js-yaml: ^4.1.0
     jsonpointer: ^5.0.1
-    langsmith: ^0.1.56-rc.1
+    langsmith: ^0.1.56
     openai: ^4.41.1
     openapi-types: ^12.1.3
     p-retry: 4
@@ -32884,34 +32829,9 @@ __metadata:
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-"langsmith@npm:^0.1.43":
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-  resolution: "langsmith@npm:0.1.43"
-  dependencies:
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-    commander: ^10.0.1
-    p-queue: ^6.6.2
-    p-retry: 4
-    semver: ^7.6.3
-    uuid: ^9.0.0
-  peerDependencies:
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-    langchain: "*"
-    openai: "*"
-  peerDependenciesMeta:
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-    langchain:
-      optional: true
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-  checksum: 83ded542eb9a4f3c7f75671ba9a85b9bb0558251cbc5ad506098068b7c5abcb6062101857cd5e2b324d5eb1e3f4984aff0d08b7b913c3ad6e41d4cbc65492a13
-  languageName: node
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-"langsmith@npm:^0.1.56-rc.1":
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-  resolution: "langsmith@npm:0.1.56-rc.1"
+"langsmith@npm:^0.1.56, langsmith@npm:~0.1.56":
+  version: 0.1.56
+  resolution: "langsmith@npm:0.1.56"
   dependencies:
     "@types/uuid": ^10.0.0
     commander: ^10.0.1
@@ -32924,31 +32844,7 @@ __metadata:
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       optional: true
-  checksum: 6d144958641bc7bca97b1fd0031fe9214d0e524e758d4a2efb0f34254de218bcfd4354ac71bed7b7d96893063f90a9db7103a6c921448519b1ab7a2200a1506f
-  languageName: node
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-
-"langsmith@npm:~0.1.30":
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-  resolution: "langsmith@npm:0.1.39"
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-    p-queue: ^6.6.2
-    p-retry: 4
-    uuid: ^9.0.0
-  peerDependencies:
-    "@langchain/core": "*"
-    langchain: "*"
-    openai: "*"
-  peerDependenciesMeta:
-    "@langchain/core":
-      optional: true
-    langchain:
-      optional: true
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-      optional: true
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+  checksum: 61db6dc3016e35d14d25e78a8ecebcc6356f2efc00310f5582dce9d28a88377525425622d1b98f053e73c0b3233d44c5a2f9d5654ca72ee2e61163edd5be2d28
   languageName: node
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@@ -35596,24 +35492,6 @@ __metadata:
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-"openai@npm:^4.49.1":
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-  checksum: b9bc845d25412d6b6ad827fb1363a4029935d8eb85a8708e55f5cf2852a0551b8720c8099edcbb0a2c2ab2be2d8f652a97061d9898b908e29d9bb2f727304b6e
-  languageName: node
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 "openai@npm:^4.57.3":
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   resolution: "openai@npm:4.57.3"