> ## Documentation Index > Fetch the complete documentation index at: https://notes.kodekloud.com/llms.txt > Use this file to discover all available pages before exploring further. # Introduction to Model Context ProtocolMCP > Practical beginner's guide to the Model Context Protocol explaining concepts, architecture, JSON-RPC usage, building servers and clients, and debugging with hands-on labs. Model Context Protocol (MCP) What exactly is MCP, and why is it becoming a foundational piece in model-serving and system integration conversations? This lesson is a concise, practical introduction to the Model Context Protocol (MCP) tailored for absolute beginners. No prior knowledge required — just curiosity and a willingness to build and experiment. Who this lesson is for: developers, ML engineers, platform engineers, and technical product people who want a hands-on, architecture-first understanding of MCP. No prerequisites are required; we’ll cover concepts, interactions, and implementation from the ground up. A dark-blue slide titled "What exactly is it?" listing features with green check and red minus icons — items include "Crisp," "No‑Nonsense," "No‑BS," "Hands‑On," "For the Absolute Beginners," and "No Pre-requisites," alongside a white abstract logo on the right. What you’ll learn in this lesson — a focused outline with outcomes: | Topic | What you’ll do | Why it matters | | - | - | - | | Why MCP? | Understand the problems MCP solves and the design goals behind it | Clarifies when and why to adopt MCP in your systems | | What is MCP? | Define MCP terminology and core concepts | Creates a common vocabulary for teams and docs | | MCP Architecture | Inspect components and their interactions (clients, servers, contexts) | Helps design scalable, debuggable deployments | | JSON-RPC usage | Learn how `JSON-RPC` is commonly used in MCP implementations and see examples | Practical wiring pattern for request/response and notifications — see the JSON-RPC spec: [https://www.jsonrpc.org/specification](https://www.jsonrpc.org/specification) | | Using an MCP server | Connect to an existing MCP server and run example requests | Fast way to explore real-world MCP behavior | | Building MCP server & client | Implement a minimal MCP server and a client from scratch with step-by-step code | Learn-by-doing — you’ll ship a working integration | | Debugging & Observability | Use tools to inspect, log, and trace MCP interactions | Essential for production readiness and troubleshooting | A presentation slide titled "Part 1" showing a list of MCP-related topics (Why MCP?, What is MCP?, MCP Architecture, JSON-RPC, Using/Building an MCP Server/Client, MCP Inspector). The slide has a dark blue panel with rounded corners on a colorful gradient background. You’ll also get access to a hands-on lab environment, guided exercises, and reference notes so you can practice building and inspecting MCP-based systems end-to-end. Links and References * JSON-RPC Specification: [https://www.jsonrpc.org/specification](https://www.jsonrpc.org/specification) * MCP concepts and examples (in-lesson resources are provided in the lab environment) This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.