Y CombinatorBacked by Y Combinator

Turn AI potential into engineering outcomes

Mesmer finds where there’s room for AI acceleration and unlocks order of magnitude productivity gains.

Diagnosis
WK 17
Tooling
2.4× longer CI on flaky test suite.
Intake
Most AI-drafted fixes decay waiting for review.
Intake
42
ISS-2041
ISS-2039
Auto-merge
31
Reviewer focus
11
Auto-merge simple ones. Focus reviewers on the complex.
42 open · 31 auto-eligible
LOW
HIGH
CODE
CI
REVIEW
QA
MERGE
DEPLOY
Platform
Org-wide friction map
+ 6 MORE TEAMS
100s of leading teams ship with Mesmer
Rohlik
Fluency
Open
Koywe

The OS for the 100x Engineering Team

Agent blockers are different. We find and remove them.

Friction index
low
high
Code
CI
Review
QA
Merge
Deploy
Platform
4.6d
Growth
Payments
QA now dominates org-wide friction.+ 6 more teams
Prescription

Ephemeral environments in every PR.

QA cycle 4.6d → 1.1d · distributed to PMs, designers, support.

  • Diagnose from the work itself

    We connect to your codebase, tickets and conversations to build a picture of how work moves through your team, finding where it stalls.

  • Battle tested solutions, tailored

    Our solutions are curated by engineers stress-testing the latest tools and workflows across the industry, and personalized to your org.

  • Bring in human expertise

    When you’re ready to act we can go beyond advice. If you want hands-on help driving the changes, our team can step in.

Leading teams use Mesmer

Rohlik Group’s AI efforts weren’t compounding. Mesmer connected to their data, pinpointed why, and recommended fixes.

Productivity lift
+78%

Rohlik’s engineers became 78% more productive after rolling out Mesmer.

PR wait-for-merge
−57%

From 22.6h down to 9.8h on average across the org.

Task cycle time
−36%

Stalled work caught 1–2 days earlier, before it blocks a sprint.

How it works

01Connect

Connect your stack in 5 minutes

GitHub
Connected
Slack
Connected
Jira
Connected
Linear
Connected
GitLab
Connected
02Map how work moves

Build a live picture of your organization

Slack
GitHub
Linear
Datadog
Mesmer
PR cycle time
2.4d
Coding speed
+9%
Review latency
6.1h
Deploys / day
12.8
03Stress-tested solutions

Find the next highest impact AI leap

Deploy with confidence

Your data stays yours. No training. SOC 2 Type II. Clear access boundaries.

No data retention

Mesmer processes your data, then clears it.

Your data is never used to train Mesmer.

We've blocked every LLM provider we use from training on it too.

SOC 2 Type II Certified

  • Annually audited
  • Encryption everywhere
  • SSO · SCIM · RBAC · audit

Deploy on your infrastructure

Mesmer can run inside your private network for full control over data, access, and infrastructure.

Built on actual work

Mesmer plugs into the systems your team already lives in — reading the signals that drive real engineering velocity, not the surface metrics that don’t.

Code-level signals

Commits, PRs, and reviews, tracked in real time.

Planning and intent

Tasks, projects, priorities, and scope, linked directly to delivery.

Human and AI context

Discussions, decisions and agentic activity, mapped to the work they affect.

The AI tide is rising. Don’t get left on shore.

Book a demo and we’ll show you what your biggest opportunities are, based on your work data.