Mesmer

$15Mlatest round · Series A · Jul 2019 · 7 yr ago
2backers · Y Combinator, Kaya VC
50+team · employees, estimated range
40stories in the press

Overview

Agents alone will not make your team faster. Mesmer's engineers find what is slowing your engineers down, ship the fix inside your codebase, and come back every month. See where you land against every team we measure.

Funding and backers

Total raised
$15M
1 round on record
Latest round
$15M
Series A · Jul 2019 · 7 yr ago
Team
51-200
employees, estimated range
Backers
2
Y Combinator, Kaya VC
The money's age
Long since its last round
87 months since the last round · not hiring
Momentum
15/100
in the news
Last sign of life
1 mo ago
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Apr 2025 Went through Y Combinator Jul 15, 2019 Raised a round Series A $15M · Pulse 2.0
Tractionpublic signals, read monthly
Web presence
top 7%
of 133.2M domains by links, Common Crawl
Funding rounds
RoundDateAmountInvestorsSource
Series A Jul 2019 $15M — Pulse 2.0
Backed byfrom the funds' portfolios and accelerator catalogs
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Financials

Total raised
$15M
Latest round
Series A
Funding rounds
1
Funding rounds
Round Announced Amount
Series A 2019 $15M Details

Connections

List
Graph
Found in company registers, site code, DNS and hiring. Each connection shows how sure we are and the evidence, with its source and date.
Shared investors2
Kaya VCVia a fund
55 portfolio companies: Humans&, MeetFrank, CyberlyHuman Risk Management Platform and 52 more
Y CombinatorVia a fund
6310 portfolio companies

News

Blog 2 months ago
Install Mesmer for Cursor: one engineer, a fleet, or a Build
Mesmer's Cursor integration installs with one shell command: once per machine for an individual engineer, as a recurring Rippling script policy plus a configuration profile for a fleet, or inside a Cloud Agent Build via environment.json. Capture every rep
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Report
Blog 2 months ago
How to maintain review quality with 10x PR volume
Four check categories, three outcomes per finding, and why a "required" AI review can report a pass when the model behind it is down.
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Report
Blog 2 months ago
Agent analytics for Claude Code
A new AI Usage tab in Metrics: what your coding agents cost, who is using them, and how that spend tracks against delivered effort.
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Report
Blog 2 months ago
You may be spending more tokens on context gathering than writing code
Five context-gathering patterns that burn tokens in agentic eng orgs, and the fix for each: scoped instruction files, context firewalls, zero-token polling.
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Blog 2 months ago
Connectors: bring your own MCP servers
Connect any OAuth-capable MCP server to Mesmer - pick from a vetted catalogue or paste a URL - and its tools work in chat and the workflow planner.
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Blog 2 months ago
Golden standard for agent readiness: treat agents as new hires
We build harnesses for engineering orgs, and this is the metric we've seen is reliable at predicting increases in speed and quality developing with agents, proven through 8 months of experimentation including +2000 engineers across +100 companies. Measure
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Blog 3 months ago
New information architecture
A new Home page - your daily standup - and navigation that drops the org chart: pick a scope and timeframe once, and the other tabs all answer for it.
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Blog 3 months ago
Life after DORA: eng metrics for agentic teams
DORA still works as a health check but it is a lagging indicator you cannot optimize toward. SPACE is worse off - its volume components are game-able and it pins system problems on individuals. What replaces them: org-level measurement, volume used as a c
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Blog 3 months ago
What I learned about hiring (and firing) scaling to 150
Hiring does not get easier as you scale, and firing fast is a fantasy for most founders - so build a company that hires slow instead. The mechanics that worked at 150 people: network downloads instead of "who do you know", mining interviews for names, one
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Blog 3 months ago
The playbook behind teams that 2x'd productivity in Q1
Hundreds of teams have connected their code and project data to Mesmer, and the ones that moved 2x+ faster in Q1 share a playbook. Humans stopped writing code directly, agents get triggered by alerts rather than by people, review moved off the human criti
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Offices

Where the company hires and what each office is for
Cities
1
Hiring now
0
Countries
1
Berlin Germany
HQ
50-200 est. staff