Nicheloom visits: 58,257 all-time · 7,637 in the last 7 days

The opportunity tracker for new startups.

Today: 1,008 launches · Niche of the day: specialized calculation tools · See what launched today →

Lemma: Continuous Learning for AI Agents

We enable AI agents to continuously improve by turning real user feedback into automated prompt optimizations.

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.

YC · launched Nov 5, 2025 · 204 upvotes (top 9%) · 2 views

Niche: ai agent evaluation platforms · 182 launches, 8 in the last 7 days ▼ -50% · Explore this niche →

Category and tags

  • Horizontal
  • Observability & eval
  • Developer
  • AI-native
  • Commercial product
  • Artificial Intelligence
  • Developer Tools
  • Analytics
  • Infrastructure
  • Monitoring

Visit website ↗ Source listing ↗

Could you build this?

Yes Lemma is an observability and prompt evaluation dashboard that logs agent traces, collects user feedback ratings, and uses meta-prompts or DSPy-style algorithms to propose optimized prompts via standard LLM APIs.

Competitors

Other products that read as similar to this one : 4758 launches clear the similarity bar, closest 8 shown.

Attention rank: #464 of 4759 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 7 days after the earliest competitor.

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.