Nicheloom visits: 59,373 all-time · 7,634 in the last 7 days

The opportunity tracker for new startups.

Today: 1,884 launches · Niche of the day: specialized calculation tools · See what launched today →

patdown

Block, steer, and "fuzzy lint" with Jev to make agents follow your rules and conventions. CLI, github action, pi package, claude extension, and more. Built with Effect + TypeScript.

Get picks like this daily. Today's launch numbers, the top launches, AI and tech news, and a daily opportunity pick, straight to your inbox.

Want to reach these readers? Sponsor an issue.

GITHUB · launched Sep 18, 2026 · 14 upvotes (top 55%) · 0 views

Niche: ai agent development platforms · 600 launches, 25 in the last 7 days ▼ -19% · Explore this niche →

Category and tags

  • Horizontal
  • Compliance & governance
  • Developer
  • AI-native
  • Hobby / open-source project

Visit website ↗ Source listing ↗

Could you build this?

Yes This is a CLI/linter tool built with TypeScript/Effect that applies semantic rule-checking or fuzzy matching on agent outputs, perfectly suitable for AI-assisted development.

Competitors

Other products that read as similar to this one : 472 launches clear the similarity bar, closest 8 shown.

Attention rank: #302 of 473 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 324 days after the earliest competitor.

  • ten-levels-of-jev · github · 2026-09-27 · 136 upvotes · similarity 0.53
  • jev-code · github · 2026-09-17 · 19 upvotes · similarity 0.52
  • open-jev · github · 2026-09-21 · 30 upvotes · similarity 0.52
  • awesome-jev-typesafe · github · 2026-09-18 · 129 upvotes · similarity 0.52
  • jev · github · 2026-09-17 · 13 upvotes · similarity 0.51
  • JevLint · github · 2026-09-17 · 11 upvotes · similarity 0.50
  • Jevbridge · github · 2026-09-18 · 38 upvotes · similarity 0.50
  • jev · github · 2026-09-26 · 12 upvotes · similarity 0.50

The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.