Introduction: Navigating the AI Agent Terminology LandscapeIn recent months, practitioners across the industry have increasingly encountered terms like Codex, OpenClaw, MCP, A2A, Skill, and Harness. These concepts frequently appear together, and all relate to AI Agents, leading many to initially think: "They seem similar, but I can't quite pinpoint the differences."This article aims to resolve that confusion by explaining these easily mixed-up concepts within a unified framework, using accessible language that demystifies the abstract termin...