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MCP Server

by davlgd

This is an unofficial JavaScript SDK for Model Context Protocol. It provides tools to define and run MCP-compliant servers in JavaScript environments.

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What is MCP Server?

This is a JavaScript SDK that allows you to create servers compatible with the Model Context Protocol (MCP). It provides a framework for defining prompts, resources, and tools that can be used within an MCP environment.

How to use MCP Server?

To use the SDK, install it using npm (npm install mcp-js-server). Then, define your server's prompts, resources, and tools using JavaScript files. Finally, create a server instance using the MCP class, passing in the definitions you created.

Key features of MCP Server

  • Prompt definition

  • Resource definition

  • Tool definition with handlers and schemas

  • Server instance creation

  • Logging

Use cases of MCP Server

  • Creating MCP-compliant servers

  • Developing custom tools and prompts for MCP

  • Integrating JavaScript applications with MCP

  • Building conversational AI systems

  • Prototyping and testing MCP interactions

FAQ from MCP Server

What is Model Context Protocol (MCP)?

MCP is a protocol for defining and interacting with models in a structured way.

How do I define prompts?

Prompts are defined as JavaScript objects with a description, arguments, and messages.

What are resources?

Resources are external data sources that the server can access, defined by a URI and MIME type.

How do I create tools?

Tools are defined with a description, a handler function, and a schema for input validation.

Where can I find the server logs?

Server logs are located in your user system logs directory (Linux: ~/.local/share/logs, macOS: ~/Library/Logs, Windows: %USERPROFILE%\AppData\Local\Logs).