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Langchain MCP
This project provides support for Model Context Protocol (MCP) tool calls for LangChain, enabling interaction with AI models through the MCP toolkit, such as file reading and summary generation.
rating : 3.5 points
downloads : 9.6K
What is the Model Context Protocol (MCP) Server?
The MCP server is a tool that supports the model context protocol, allowing developers to easily integrate models into various applications. MCP provides a standardized interface that enables models to access external resources (such as file systems and databases) and perform specific tasks.How to use the MCP Server?
First, install the MCP toolkit and initialize a session. Then, call the built - in tools to implement specific functions. For example, you can read files, perform complex calculations, or generate natural language summaries.Applicable Scenarios
The MCP server is suitable for application scenarios where models need to interact with the external environment, such as intelligent assistants, data analysis platforms, and automated process management systems.Main Features
File Access
Read local or remote files through a standard interface, supporting parsing of multiple formats.
Custom Toolkit
Create a专属 toolkit according to requirements to meet personalized development needs.
Security Control
Provide a strict permission management mechanism to ensure the security of data operations.
Advantages
Simplify the integration process of models with external systems
Support cross - platform deployment and expansion
Provide strong security guarantees
Limitations
Requires a certain technical background for efficient use
Some advanced functions may depend on specific hardware support
How to Use
Install the MCP Toolkit
Install langchain - mcp via pip and import the required modules.
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Initialize a Client Session
Create a new session instance using mcp.ClientSession.
Get Available Tools
Call the get_tools method in the toolkit to list all available tools.
Usage Examples
Case Title: Read a File and Generate a Summary
Demonstrate how to extract information from a file and generate a short summary.
Case Title: Execute a Database Query
Show how to use the MCP server to connect to a database and retrieve data.
Frequently Asked Questions
Which programming languages does the MCP server support?
How to handle the risk of data leakage?
Related Resources
Official Documentation
Comprehensively understand the functions and usage guidelines of MCP.
GitHub Repository
View the source code and participate in contributions.
Video Tutorial
Quick start guide.
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