What it sells
An open-source operating system for reliable long-running agents
Business model breakdown
Buyer: who owns the budget?
UnverifiedEngineering team lead or developer building agent workflows.
Workflow: what inputs become what output?
Author a contract in Markdown (requirements, inputs, scope, adopted std contracts); an agent interprets it in its existing harness; executor produces result with evidence and an evaluator checks requirements.
Economics: what it saves and how it charges
UnverifiedOpen-source kernel and public Markdown libraries; monetization via hosted OpenProse Cloud (pricing not shown).
Distribution: how it reaches customers
Open-source library on GitHub (1.8k stars) with a hosted OpenProse Cloud run option; developer-led adoption.
Funding history and coverage
| Round date | Stage | Amount | Investors | Source |
|---|---|---|---|---|
| — | Y Combinator Spring 2026 | — | Y Combinator | ycombinator.com |
Profiles summarize public reporting and company websites. Business-model notes are MaxBC's reading of that material, not confirmed facts; unknowns are left blank rather than guessed. Updated 2026-10-12.