Spec-first
Spec-first agentic development is specification-driven development for AI coding agents: reviewed specs, isolated worktrees, gated commits.
18Rank on 28 October 2026New on 28 Oct
Spec-first launched on 27 October 2026. It ranked #18 on Daily Launch on 28 October 2026 with a Launch Score of 63, from 28 points on Show HN. It was new in the ranking that day.
Visit siteTop on Show HN the day before · 28 points
What is Spec First?
Implemented agent smith since start 2026 with over 1000 specifications which lead to about 500k lines of code. The procedure with that spec-first works well. How do you do it?
From its Hacker News post
Spec First (Spec-first) is a launch on Show HN.
Image from spec-first.dev
In its own words
Specification First Agentic Development Plugin and Prove
From its Show HN post
Launch timeline
Launch Score, last 7 days
Ranked on one day so far: 63 of 100 on 28 October.