- Author
- Daryl Cecile
- Published
- 31 May 2026
- Kind
- Personal blog note, based on the author's own workflow
- Original
- darylcecile.net/notes/speed-of-prototyping-age-of-ai
- Subject
- Coding with agents
What it is
Daryl Cecile is an engineer who keeps a personal site. The note calls itself personal reflections, not a pitch for any tool. It follows an earlier post about throwaway prototypes.
What it says
- Cecile says scaffolding was once the main bottleneck. Agents have nearly removed it.
- Cecile lists new repos, including a systems language and a block editor.
- Cecile says agents shift the work toward boundaries, contracts and holistic specs. Delegation to people improved too.
- Cecile estimates about 4x faster time-to-PR than before agents, measured loosely.
- Cecile worries about losing technical skill, and sets aside time for hand-written work and debugging.
- Cecile reports cutting internal codespace bootstrap times by roughly 50% at work.
What evidence it gives
The note offers personal experience. The 4x figure is a loose self-measurement, and the author says some days differ. The repos are named. The work results are stated without detail.
Interests and limits
The note covers only the author's own workflow, with no outside check. Fuller write-ups of the work results are held back pending sign-off. The 4x figure is rough and unaudited. The note does not say which tasks were measured.