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Mesmer

Mesmer is a YC Spring 2025 (P25) company. Based in San Francisco, CA, USA. Team of 3.

  • Artificial Intelligence
  • SaaS
  • Productivity
  • Team Collaboration
  • AI

About Mesmer

GPAgent's own fund-neutral profile, written from public information. Updated Oct 5, 2026.

Summary

Mesmer gives founders and CTOs a live view of their engineering organization's health by reading code, tickets, and workflows to pinpoint where development slows down. Each month it identifies the top bottleneck, implements fixes directly in the codebase, and then remeasures, replacing the manual work of status meetings, update-chasing, and ad hoc process debugging. The product targets technical leaders who need engineering visibility and continuous improvement without dedicating headcount to it.

Business model

SaaS subscription for engineering organizations.

Go-to-market

Founders and CTOs at growth-stage technology companies are the primary buyers; they start through a booked demo and a direct sales conversation.

From the Y Combinator listing

How Mesmer describes itself in Y Combinator's public directory. Original listing (opens in a new tab)

Cursor for CTOs

Mesmer is Cursor for CTOs. We give founders and CTOs full visibility into their org without drowning in meetings or chasing updates. We are a team of repeat founders and CTOs with 15+ years of experience each, including leading product development togehter at Origin Financial, a fintech started by Mesmer's CEO, as it scaled to 8-figure ARR, 100+ employees and a $400M valuation. Mesmer reached 6-figure ARR within a week of launching and is already live with companies worth over $8B, including Webflow and Origin Financial.

Facts

Industry
B2B / B2B -> Engineering, Product and Design
Location
San Francisco, CA, USA
Team size
3
Status
Active
Stage
Early

Founders (3)

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