MCP Fundamentals

Core concepts, definitions, and foundational knowledge about the Model Context Protocol. Start here if you are new to MCP.

Pillar Guide
15 min read
MCP Glossary: Every Model Context Protocol Term Defined

The definitive glossary of MCP terminology. Clear, concise definitions for every Model Context Protocol term — from tools and resources to transports and capabilities.

MCP glossary
MCP terms
MCP definitions
Pillar Guide
18 min read
MCP History: From Anthropic's Fragmentation Fix to AI Standard

The complete history of the Model Context Protocol — from Anthropic's initial announcement in November 2024 to its adoption as an industry standard.

MCP history
model context protocol history
Anthropic MCP
Pillar Guide
28 min read
MCP vs APIs, Agents SDK, A2A & More: Complete Comparison Guide

A detailed comparison of MCP versus traditional and modern approaches: REST APIs, OpenAI function calling, Google A2A, Semantic Kernel, LangChain tools, and more.

MCP vs API
MCP vs function calling
MCP vs plugins
Pillar Guide
20 min read
What Is an MCP Server? How It Works + Examples

Learn what MCP servers are, how they expose tools/resources/prompts to AI applications, and see real-world examples of popular MCP servers.

MCP server
what is MCP server
how MCP servers work
Pillar Guide
22 min read
What Is the Model Context Protocol (MCP)? Complete 2026 Guide

A comprehensive guide to understanding the Model Context Protocol — what it is, why Anthropic created it, and how it standardizes AI-tool integration.

model context protocol
what is MCP
MCP explained
Pillar Guide
20 min read
Why MCP Matters for AI Agents & Applications in 2026

Understand why the Model Context Protocol is critical for the future of AI — solving fragmentation, enabling agents, and creating a universal standard.

why MCP matters
MCP importance
MCP for AI agents

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