MCP Servers Explained: What Model Context Protocol Does

Mon, 13 Apr 2026 10:00:00 +0200

If you have heard “MCP” thrown around in the last year without getting a clear answer on what it is, here is the explainer that stays grounded in what it actually does, not what the marketing decks claim.

I run an MCP server in production. It exposes my task manager to every LLM client I use, daily, as a systemd service on a Debian VPS. That constant use is where this explainer comes from. No conference slides, no speculation about where the protocol is heading in five years. Just what MCP is, what it replaces, and when you should bother writing one.

Protocol on René Zander | AI Automation Consultant

MCP Servers Explained: What Model Context Protocol Does