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MCP Langgraph
An intelligent agent project based on LangGraph and the MCP server, supporting mathematical calculations and weather queries through MCP services.
rating : 2.5 points
downloads : 8
What is the MCP server?
The MCP (Model Context Protocol) server is a tool management framework based on a lightweight protocol that allows seamless integration between AI models and external tools. It simplifies the tool access process through standardized interfaces, enabling developers to focus on building smarter applications.How to use the MCP server?
Simply start the MCP server and configure it in your application to quickly call external tools, such as mathematical calculations and weather queries.Applicable scenarios
The MCP server is well - suited for scenarios that require calling multiple tools, such as chatbots, data analysis platforms, and automated assistants.Main features
Support for multiple toolsThe MCP server supports the integration of various tools, including mathematical calculations, network requests, database queries, etc.
Cross - platform compatibilityThe MCP protocol is designed flexibly and can run in different operating systems and environments.
Real - time responseThe tool call process is efficient and responsive, enhancing the user experience.
Advantages and limitations
Advantages
Easy to use: Tools can be quickly integrated without complex configuration.
Efficient collaboration: High communication efficiency between models and tools.
High flexibility: Supports custom tool extensions.
Limitations
Dependent on network environment: Some tools may require a stable Internet connection.
Performance bottleneck: Optimization may be required for high - concurrency scenarios.
How to use
Install dependencies
Ensure that Python and Poetry are installed, then run `poetry install` to install project dependencies.
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Start the MCP server
Start the math and weather servers respectively, for example, `python src/mcp_servers/math_server.py`.
Run the Agent
Execute `poetry run main` to start the Agent.
Usage examples
Calculate a mathematical expressionEnter a mathematical expression such as `(3 + 5) x 12`, and the Agent will return the calculation result.
Query weather informationEnter a city name such as `New York`, and the Agent will return the weather conditions of the city.
Frequently Asked Questions
How to add a new MCP server?
Does the MCP server support multi - language tools?
How to handle network interruption issues?
Related resources
Official documentation
The official documentation of the MCP protocol.
GitHub repository
The open - source code repository of the MCP server.
Tutorial video
An introductory tutorial on the MCP server.
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