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What is MCP Calculator?
The MCP Calculator is a service that provides basic calculation and greeting functions through a standardized protocol. It allows different applications to communicate and request services in a consistent way.How to use MCP Calculator?
You can interact with the service by sending simple JSON requests to the server. The server understands both calculation requests (like adding numbers) and personal greeting requests.Use Cases
Ideal for applications needing simple calculations or personalized messages, educational tools demonstrating API interactions, or as a reference implementation for MCP protocol.Key Features
Standard ProtocolImplements the Model Context Protocol (MCP) specification for consistent communication
Calculation ServiceProvides basic arithmetic operations through simple API calls
Greeting ServiceGenerates personalized greetings based on provided names
Error HandlingProvides clear error messages when something goes wrong
Pros and Cons
Advantages
Standardized protocol ensures compatibility
Simple and easy to use
Clear documentation and examples
Secure by design with proper error handling
Limitations
Limited to basic calculation functions
Currently only supports JSON-RPC 2.0
No built-in authentication mechanism
Getting Started
Start the ServerRun the server application on your machine or server
Make RequestsSend JSON requests to the server endpoint (default: http://localhost:8080)
Receive ResponsesThe server will respond with JSON containing your results or error messages
Example Uses
Simple AdditionCalculate the sum of two numbers
Personal GreetingGet a greeting message with your name
Frequently Asked Questions
1
What port does the server use?By default, the server runs on port 8080, but this can be configured.
2
What happens if I provide invalid parameters?The server will return a JSON-RPC error response with details about what went wrong.
3
Can I add more calculation functions?Yes, the server can be extended to support additional functions by modifying the source code.
4
Is this service secure for production use?While the protocol includes security considerations, additional measures like authentication should be added for production environments.
Additional Resources
JSON-RPC 2.0 SpecificationOfficial specification for the JSON-RPC protocol
Model Context Protocol DocumentationDetailed information about the MCP standard
GitHub RepositorySource code and issue tracking
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