isaacwasserman/mcp-langchain-ts-client

A LangChain.js client for Model Context Protocol.
This is a port of rectalogic/langchain-mcp to the JS/TS LangChain and MCP APIs.
## Installation
bash
npm install mcp-langchain-ts-client
## Usage
typescript
const serverParams = {
command: "npx",
args: [
"-y",
"@modelcontextprotocol/server-everything"
// Initialize the toolkit
const toolkit = new MCPToolkit(serverParams);
await toolkit.initialize();
// Extract LangChain.js compatible tools
const tools = toolkit.tools;
// Use the tools
import { createReactAgent } from "@langchain/langgraph/prebuilt";
import { ChatAnthropic } from "@langchain/anthropic";
const llm = new ChatAnthropic({ model: 'claude-3-5-sonnet-20241022' });
const agent = createReactAgent({ llm, tools });