Instagram · 17 Sept 2026
View the original on instagram.comTopicAI agent playbooks
AI agent playbooks
By @cooper.simson · Instagram
Source: https://www.instagram.com/reel/DdVargvpEQ8/?stkn=MWVxY2ljYnljdzUzcg==
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Summary
Cooper Simson argues that building multiple AI agents is the wrong approach, claiming Anthropic engineers dropped that method months ago. Instead, he pitches a single agent guided by "playbooks" for each task, built through interviewing yourself, storing approved outputs in a toolbox, and defining a proof checklist for what "done" looks like.
Core ideas
- Multi-agent setups fail: Building a separate agent for every job and wiring them together is why most AI agent projects stall out or feel unreliable.
- One agent, many playbooks: The alternative approach uses a single agent paired with distinct playbooks for each job instead of spinning up new agents.
- AI delegation interview: Get Claude or ChatGPT to interview you about your job in enough depth that it could theoretically run the job without you.
- Turn interviews into playbooks: That interview content gets converted into a structured playbook using a specific prompt.
- The toolbox system: Every file, approved script, template, or document the agent produces gets saved and linked back to the playbook as a rule, so the agent never rebuilds the same thing from scratch.
- The proof checklist: A list defining what "finished" actually looks like gets wired into the playbook so the agent checks its own work before returning it to you.
- Fix the system, not the output: When something goes wrong, you update the playbook the task runs on instead of patching the answer in a chat window or retraining a giant model.
Quotes
“I don't think you should build AI agents anymore.”
“agents still feel stupid because the smartest people in AI are actually doing the complete opposite by only using one agent and then playbooks for every single job.”
“You're fixing the playbook that the task runs on. That's the whole loop.”
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