It is 3:14 in the morning, and somewhere a checkout service has started returning errors. In the old story, this is the part where a human being's phone lights up, a person swears into the dark, opens a laptop in bed, and begins the ancient ritual of firefighting with one eye open. Vibranium Labs would like to delete that scene entirely. At the New York company, the first responder is not a person at all - it is an AI agent named Vibe, and it has already read the logs, traced the fault, and drafted a fix before anyone reaches for their glasses.
That is the wager the whole company is built on: that the pager - the humble, tyrannical device that has ruled on-call engineering for two decades - can finally be retired. Their tagline does not hedge. "The last pager you'll ever need." It is the kind of promise that is either bravado or a business plan. Vibranium Labs is betting it is both.
A tax paid in sleep
Every company that runs software also runs a quiet, unglamorous economy of interruption. Alerts fire. People wake. Dashboards get squinted at. The industry has a polite acronym for the cost of all this - MTTR, mean time to resolution - and a less polite reality: alert fatigue, burnout, and engineers who dread the on-call rotation the way medieval villagers dreaded the tax collector.
Incumbents like PagerDuty and Opsgenie made a fortune organizing the chaos - routing the right alert to the right human at the right ungodly hour. Vibranium's founders looked at that and asked a slightly heretical question. What if the human is the bottleneck? What if the first pass at triage, root-cause analysis, and even the fix could be handled by something that does not need sleep, coffee, or a weekend?
Instead of firefighting in the dark, teams get speed, clarity, and reliability from the very start.
Built by people who carried the pager
This is not an idea dreamed up by outsiders. Co-founder and CEO Sang Lee worked as an AI engineer and site reliability engineer at Google and at AWS - which is to say, he has personally lived the 3 AM economy he is now trying to abolish. He is joined by Tim Hwang, co-founder and executive chairman, who previously co-founded FiscalNote (NYSE: NOTE) and knows the long road from a New York idea to a public company.
The pairing is telling: an operator who felt the pain in his own hands, and a founder who has built a company from scratch before. The team around them is small - roughly nineteen people - and unapologetically engineering-led, drawn from the same hyperscaler world that invented modern reliability practice.
Ex-hyperscaler
CEO Sang Lee built and broke things at Google and AWS before deciding the pager had to go.
FiscalNote DNA
Chairman Tim Hwang already took one NYC company public. He knows the whole arc.
New York City
Not Silicon Valley. A deliberate choice, close to the finance and media clients who fear downtime most.
Vibranium
The comic-book metal that never shatters. Subtle, they are not - but the metaphor lands.
Meet Vibe, the AI SRE
The flagship is Vibe AI, described as an AI Site Reliability Engineer - the first, the company says, to use multimodal agentic technology to monitor, triage, and resolve incidents on its own. It shows up under two front doors. Vibe OnCall is the paging layer, except it pages the machines first: AI agents get the alert before Tier 1 support is ever roused. And Incident Operations is the wider workbench where detection, triage, auto-remediation, and post-mortems all live.
Detection & Routing
Alerts land and get distributed instantly, before a human has to interpret them.
Triage
Automated root-cause analysis in seconds, with autonomous fixes proposed on the spot.
Auto-Remediation
Production-approved fixes applied safely - with guardrails, not cowboy commits.
Post-Mortems
Self-writing incident docs that feed a living knowledge base instead of a graveyard of wikis.
Crucially, Vibe does not ask companies to rip anything out. It plugs into the tools engineers already curse and cherish - Slack, Microsoft Teams, Jira, ServiceNow, Datadog, PagerDuty - reading signals across the stack the way a seasoned on-call veteran would, only faster and without needing to be reminded which dashboard matters.
A $4.6M vote of confidence
In September 2025, Vibranium Labs announced a $4.6 million seed round to scale Vibe AI. It was led by Calibrate Ventures and Mirae Asset, with a notably deep bench of co-investors joining in. The money is earmarked for product, for growing the engineering and go-to-market teams, and for deepening ties in industries where downtime is not a nuisance but a headline: finance, healthcare, media and entertainment, e-commerce and retail, and defense.
Vibe AI has the potential to change incident management for companies globally.
Robots, but make them credible
Two proof points matter here. The first is a customer: Shutterstock, whose CTO Courtney Totten is cited praising improved incident visibility and fewer escalations - the kind of quiet win that on-call teams feel in their bones and their sleep schedules. The second is a partnership: Vibranium was named one of AWS's inaugural agentic AI partners, a useful stamp of seriousness in a field where "AI agent" is fast becoming the most over-claimed phrase in software.
There is also a delicious subplot. As "vibe coding" - shipping software written largely by AI - floods the world with fragile, half-understood applications, someone has to be there when they inevitably break. Vibranium's agents are, in a sense, the cleanup crew for a mess that other AI is busy creating. It is a very 2026 kind of business.
The LandscapeA crowded, fast-moving field
Vibranium is not alone. It squares off against entrenched paging platforms like PagerDuty and Opsgenie, workflow players like Incident.io and FireHydrant, and a new wave of "AI SRE" startups such as Cleric and Resolve AI. The bet that separates them is aggressive: not to help humans respond faster, but to make the human's first response optional. Whether the market rewards that boldness - or flinches at handing production access to an agent - is the story still being written.
What's NextThe road from here
$4.6M raised to scale Vibe AI, the "first 24/7 AI incident engineer."
Named among AWS's inaugural agentic AI partners.
Expanding engineering and go-to-market, deepening beachheads in finance, healthcare, media, retail, and defense.
Return, then, to 3:14 in the morning. In the world Vibranium Labs is building, the checkout service still stumbles - software will always find new ways to break. But the phone on the nightstand stays dark. Vibe has already caught the fault, walked it back to a bad deploy, applied a production-approved fix, and left a tidy post-mortem waiting in Slack for the morning. The engineer wakes at a civilized hour, reads the summary over coffee, and gets on with the day. The pager, that small tyrant of the night, has finally been told to hold its calls. That is the whole company, in one quiet, uneventful night.