19 minutesBuilding more effective AI agents
Improve tool design so agents select the right action with the right parameters.
AdvancedAI for Business
The Ultimate MCP Crash Course - Build From Scratch
Web Dev Simplified. A full, code-along build of both an MCP server and a client in TypeScript — tool definitions, schemas, prompts and resources, stdio transport, inspector debugging. It's the closest video on YouTube to actually doing what the article asks you to do, at a pace where you can pause and follow along in your own editor.
AI Expert note
SDK APIs and inspector behavior are version-sensitive. Follow the architecture, but verify current MCP SDK signatures, transport guidance, auth expectations and error-handling patterns before using this in production.
What you should get from this
Build a first MCP server and understand how tools, schemas, prompts, resources and transports fit together.
Watch or know first
TypeScript comfort and a local environment where you can safely test tool calls.
Last reviewed: May 18, 2026
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