LangChain.js MCP Adapters

What is LangChain.js MCP Adapters?

LangChain.js MCP Adapters is a lightweight wrapper library that enables Model Context Protocol (MCP) services to be used with LangChain.js. It runs in Node.js environments and is intended for developers building LangChain.js applications who want to integrate MCP-compliant tools.

How to use LangChain.js MCP Adapters?

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Key features of LangChain.js MCP Adapters

• Wraps MCP services for LangChain.js integration
• MIT licensed for open‑source use
• Lightweight, minimal dependency footprint

Use cases of LangChain.js MCP Adapters

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FAQ from LangChain.js MCP Adapters

What is the difference between LangChain.js MCP Adapters and the original MCP SDK?

LangChain.js MCP Adapters provides a dedicated bridge between LangChain.js and MCP services, while the MCP SDK is a more general implementation. The adapters are tailored for LangChain’s tool and model interfaces.

Which platforms and models are supported?

The package is designed for LangChain.js (JavaScript/TypeScript on Node.js). Specific model support depends on the LangChain.js integrations used with it.

What is the licensing for LangChain.js MCP Adapters?

It is released under the MIT License, allowing free use, modification, and distribution.

Where can I find the latest documentation and examples?

The package has been migrated to the LangChainJS monorepo. See the up‑to‑date README at the new location.