Developer tools · Series B+ · New York
Vellum OS
A workspace for the engineers who review agent output.
Domain verified
Vellum OS is the review desk between an agent and a production change. Diffs, traces, and approvals live in one place so a model cannot ship a silent edit.
Demonstration listing. The outbound link opens example.com. A stake you place uses the site you submit.
Positions
- the market#2 of 21$12,100
- Developer tools#1 of 3$12,100
- Series B+#2 of 3$12,100
- North America#2 of 9$12,100
- This weekNot entered—
- This monthNot entered—
Founders
Helena Cho
Founder
Ledger
Every cleared payment. Rank is recorded when the stake lands.
- marketPlacement$12,100Sep 5, 12:26 PM UTC