Grant Petersen-Speelman
Rails developer for about 20 years, now mostly building tools for AI coding agents. This is my engineering notebook: what I tried, what broke, and what stuck.
Writing 2 entries
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Align on the what. Let the tooling handle the how.
Why my agent interviews me about the outcome before it changes anything, and leaves the implementation to linters and injected conventions.
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I gave an AI agent three hours to build my blog
How Claude Code and a written plan got grant-ps.com from an empty repo to live, step by step, and why I think more people will start building their own software.
Writing elsewhere
- dev.toTooling every AI software harness should have
- MediumDefine your data once, and let an AI agent use it
- MediumOne context layer for Claude Code, OpenCode, Gemini and Copilot
- MediumMy AI Agent Had Great Docs. It Just Didn’t Read Them.
- MediumHow Mutation Testing Keeps My AI Agent’s Code Honest
- MediumI Built an API for AI Agents. Then an AI Agent Joined the Team.