The useful business agent is not a vague chatbot. It is a bounded worker with context, limits, and human review.
Last updated: May 28, 2026
CLIENT.md, PLAYBOOK.md, RULES.md, JOURNAL.md — four files, one job each, under 300 lines total. The minimal system that gives any AI agent the context to run like a senior employee.
Before you build ten AI agents, build the one that runs them all. The complete playbook to stand up an AI co-founder: system prompt, context files, sub-agent wiring, decision log, and weekly cadence.
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