Exploded axonometric · Optional motion

AI agent stack · What sits under the prompt

AI agent stack · What sits under the prompt Exploded view of an AI agent stack: a secrets vault at the base, then tools, skills, the agent harness that runs the model, and the chat or terminal interface on top, with skills as the focal layer. Secrets vaultscoped service token Toolsclis, apis, mcp, scripts Skillsmarkdown playbooks Agent harnessclaude code, codex Interfacechat or terminal FOCAL LAYER Skills are plain files the agent reads before it acts. Swap the harness or the model and they still work.
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