Conceptual and practical guides to AI agents, tool use, workflows, memory, guardrails, and agentic software architecture.
Understand the three practical customization layers that shape Codex: MCP tools for external capabilities, skills for reusable workflows, and AGENTS.md for global and local working rules.
Follow Ari as a simple customer workshop grows from a checklist into coordinated work. Through one everyday story, learn how Model, Tools, Agent Loop, Memory, Skills, and Guardrails turn generated answers into an AI agent that can follow a job through.
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