Model Context Protocol (MCP) Implementation

@AshikNesin

About Model Context Protocol (MCP) Implementation

Learn MCP by building from Scarch

#mcp #learning-by-doing #learn-in-public #mcp-server #mcp-client

Basic information

Category

Other

License

MIT

Runtime

node

Transports

stdio

Publisher

AshikNesin

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "learn-mcp-by-building": {
      "command": "node",
      "args": [
        "src/examples/stdio-server.js"
      ]
    }
  }
}

Tools

No tools detected

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is Model Context Protocol (MCP) Implementation?

This project implements the Model Context Protocol (MCP) for building AI tools. It provides a modular framework that can be used to create MCP-compatible servers and clients, enabling AI assistants to interact with external tools and data sources.

How to use Model Context Protocol (MCP) Implementation?

Install Node.js 20.x or later, clone the repository, run npm install, then use provided scripts like npm run server:stdio and npm run client:stdio to run examples. Developers can create custom servers using the McpServer class and register tools with JSON Schema definitions.

Key features of Model Context Protocol (MCP) Implementation

JSON-RPC 2.0 message handling and protocol initialization
Tool registration with JSON Schema and invocation
STDIO and HTTP+SSE transport support
Capability negotiation and tool list change notifications
Standardized error handling and structured tool results
Example calculator tool and test clients

Use cases of Model Context Protocol (MCP) Implementation

Build an MCP-compatible server exposing a calculator tool via STDIO
Serve AI tools over HTTP with Server-Sent Events for web clients
Debug and test MCP server behavior using the official MCP Inspector
Develop custom tools and integrate them into AI assistant workflows

FAQ from Model Context Protocol (MCP) Implementation

What is the Model Context Protocol?

It is an open protocol that enables AI assistants to interact with external tools and data sources.

What are the runtime requirements?

Node.js 20.x or later and npm or pnpm.

What transports are supported?

STDIO and HTTP+SSE (Server-Sent Events) are supported.

How do I create a new tool?

Create a new file in src/tools/, define the tool definition with inputSchema and a handler function, then export it in src/tools/index.js.

Where can I find the protocol specification?

The MCP Protocol Specification is available at https://spec.modelcontextprotocol.io/specification/2024-11-05/.

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