Tomas GonzalezSoftware Engineer. Building AI-powered developer tools.https://www.gztomas.dev/Specs: The Tests You Didn't Writehttps://www.gztomas.dev/blog/specs-the-tests-you-didnt-write/https://www.gztomas.dev/blog/specs-the-tests-you-didnt-write/A spec/ directory with markdown files gives AI agents something test suites can't: the ability to find bugs you haven't thought of yet.Wed, 25 Mar 2026 00:00:00 GMTThe Bottleneck Isn't the Agent. It's the Environment.https://www.gztomas.dev/blog/the-bottleneck-isnt-the-agent/https://www.gztomas.dev/blog/the-bottleneck-isnt-the-agent/Why parallel coding agents need environment isolation, not just code isolation.Mon, 02 Mar 2026 00:00:00 GMTWhat If the Model Only Ran Once?https://www.gztomas.dev/blog/what-if-the-model-only-ran-once/https://www.gztomas.dev/blog/what-if-the-model-only-ran-once/Constrained interfaces and ahead-of-time generation make AI-driven UIs actually usable. The model does the hard work once, then gets out of the way.Mon, 15 Dec 2025 00:00:00 GMT