mcp-langchain-ts-client

LangChain.js client for Model Context Protocol.

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Overview

The mcp-langchain-ts-client is a LangChain.js client designed for the Model Context Protocol, allowing developers to interact with the Model Context Protocol using JavaScript and TypeScript.

To use the mcp-langchain-ts-client, install the package via npm and initialize the MCPToolkit with your server parameters, then extract and utilize compatible tools for integration into your applications.

Easy installation via npm - Seamless integration with LangChain.js - Support for multiple tools and configurations

Building AI applications using the Model Context Protocol.
Creating chatbots that utilize Language Models through LangChain.js.
Developing real-time applications that require sophisticated AI interactions.

Add to your AI client

Use these steps to connect mcp-langchain-ts-client in Cursor, Claude, VS Code, and other MCP-compatible apps. The same JSON appears in the Use with menu above for one-click copy.

Cursor

Add this to your .cursor/mcp.json file in your project root, then restart Cursor.

.cursor/mcp.json

{
  "mcpServers": {
    "mcp-langchain-ts-client-isaacwasserman": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-langchain-ts-client-isaacwasserman"
      ]
    }
  }
}

Claude Desktop

Add this server entry to the mcpServers object in your Claude Desktop config, then restart the app.

~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows)

{
  "mcpServers": {
    "mcp-langchain-ts-client-isaacwasserman": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-langchain-ts-client-isaacwasserman"
      ]
    }
  }
}

Claude Code

Add this to your project's .mcp.json file. Claude Code will detect it automatically.

.mcp.json (project root)

{
  "mcpServers": {
    "mcp-langchain-ts-client-isaacwasserman": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-langchain-ts-client-isaacwasserman"
      ]
    }
  }
}

VS Code (Copilot)

Add this to your .vscode/mcp.json file. Requires the GitHub Copilot extension with MCP support enabled.

.vscode/mcp.json

{
  "servers": {
    "mcp-langchain-ts-client-isaacwasserman": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-langchain-ts-client-isaacwasserman"
      ]
    }
  }
}

Windsurf

Add this to your Windsurf MCP config file, then restart Windsurf.

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "mcp-langchain-ts-client-isaacwasserman": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-langchain-ts-client-isaacwasserman"
      ]
    }
  }
}

Cline

Open Cline settings, navigate to MCP Servers, and add this server configuration.

Cline MCP Settings (via UI)

{
  "mcpServers": {
    "mcp-langchain-ts-client-isaacwasserman": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-langchain-ts-client-isaacwasserman"
      ]
    }
  }
}

FAQ

What programming languages are supported?

The mcp-langchain-ts-client is built for JavaScript and TypeScript environments.

Are there any prerequisites for using this client?

You need Node.js and npm installed on your system to use this client.

Can I use it with other LangChain APIs?

Yes, it is designed to work with LangChain APIs efficiently.

Developer tools