YCX26· AI· DevtoolsOpenProse
An open-source operating system for reliable long-running agents
ActiveChecked 17h ago
Founders
- Dan BarrettFounder/CEO
Same space
Competitors
Closest in what they build, same category.
Adjacent
Overlapping tags, a different niche.
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About OpenProse
OpenProse is building open-source infrastructure for long-running AI work: a declarative language plus a reactive harness/runtime for reliable agent workflows.
Boston, MA, USA; Remote
OpenProse: questions
Which YC batch was OpenProse in?
OpenProse was in Y Combinator's Spring 2026 batch (X26).
Is OpenProse still active?
Y Combinator lists OpenProse as active.
Who founded OpenProse?
OpenProse's founders, as listed on its YC page: Dan Barrett (Founder/CEO).
Where is OpenProse based?
OpenProse lists Boston, MA, USA; Remote as its location on YC's directory.
Not affiliated with Y Combinator. From YC's public directory. Logos via logo.dev; trademarks belong to their owners.