How to Write a Good Spec for AI Agents
Addy Osmani,
Feb 20, 2026
This is a detailed description of how to approach writing a specification for AI agents. Long story short: don't try to do it all in one go. Start with a high level description of what you want done, then work the AI to refine it into something comprehensive and robust. "Simply throwing a massive spec at an AI agent doesn't work - context window limits and the model's 'attention budget' get in the way. The key is to write smart specs: documents that guide the agent clearly, stay within practical context sizes, and evolve with the project."
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