Token, Harness, OpenClaw, RAG, MCP, Agent — What’s the Difference? One Map Makes It Clear

You know these terms alone. Together? They’re confusing. Here’s the map. Ever feel like this — people keep saying you need “Agents” for AI apps, connect “MCP”, install “OpenClaw”, and now there’s “Harness” too? Each term makes sense alone, but together it’s overwhelming. Today we’ll sort it out — who comes first, who comes after, who manages whom. By the end, you’ll see clearly. No fluff. Let’s look at a real case: Your boss asks you to “research the latest competitor dynamics online, combine wi