LangChain and MCP

LangChain has support for MCP clients, but we need to add the langchain-mcp-adapters package. This library provides a lightweight wrapper that makes MCP tools compatible with LangChain.

[project]
name = "repl"
version = "0.1.0"
description = "Add your description here"
readme = "README.md"
requires-python = ">=3.12"
dependencies = [
    "chromadb==1.5.9",
    "langchain==1.2.18",
    "langchain-core==1.4.0",
    "langchain-mcp-adapters==0.2.2",
    "langchain-ollama==1.1.0",
    "langchain-redis==0.2.5",
    "mem0ai[nlp]==2.0.0",
    "ollama==0.6.2",
    "python-dotenv==1.2.2",
]
# [.. truncated ..]

This is a simple generic example showing how LangChain connects and uses MCP tools.

async def main():
    client = MultiServerMCPClient(
        {
            "math": {
                "transport":

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