How I Built 3 MCP Servers in a Weekend (and what I learned)

Description and use

<p>I've been building B2B APIs for a while, but recently I got into MCP (Model Context Protocol). It's a game-changer for AI agents.</p> <p>In this post, I'll share how I built 3 MCP servers in a weekend — and what I learned.</p> <h2> What is MCP? </h2> <p>MCP is a protocol that allows AI agents (like Claude, ChatGPT) to call external tools. Instead of giving an AI a huge prompt, you give it a tool it can call. It's faster, cheaper, and more reliable.</p> <h2> The 3 MCP Servers </h2> <h3> 1. Currency Exchange MCP </h3> <p><strong>What it does:</strong> Gets real-time exchange rates for 160+ cu

Problem

<p>I've been building B2B APIs for a while, but recently I got into MCP (Model Context Protocol). It's a game-changer for AI agents.</p> <p>In this post, I'll share how I built 3 MCP servers in a weekend — and what I learned.</p> <h2> What is MCP? </h2> <p>MCP is a protocol that allows AI agents (like Claude, ChatGPT) to call external tools. Instead of giving an AI a huge prompt, you give it a tool it can call. It's faster, cheaper, and more reliable.</p> <h2> The 3 MCP Servers </h2> <h3> 1. Currency Exchange MCP </h3> <p><strong>What it does:</strong> Gets real-time exchange rates for 160+ cu

Outcome

<p>I've been building B2B APIs for a while, but recently I got into MCP (Model Context Protocol). It's a game-changer for AI agents.</p> <p>In this post, I'll share how I built 3 MCP servers in a weekend — and what I learned.</p> <h2> What is MCP? </h2> <p>MCP is a protocol that allows AI agents (like Claude, ChatGPT) to call external tools. Instead of giving an AI a huge prompt, you give it a tool it can call. It's faster, cheaper, and more reliable.</p> <h2> The 3 MCP Servers </h2> <h3> 1. Currency Exchange MCP </h3> <p><strong>What it does:</strong> Gets real-time exchange rates for 160+ cu

Evidence

How I Built 3 MCP Servers in a Weekend (and what I learned)

Source