Who founded OpenProse?

OpenProse was founded by Dan Barrett, Dan B in 2026.

Who are OpenProse's investors?

OpenProse's investors include Y Combinator.

Where is OpenProse headquartered?

OpenProse is headquartered in San Francisco, US.

OpenProse

San Francisco, US · Founded 2026 · 3 employees · 1 known investors

OpenProse is a declarative language and framework for orchestrating multi-agent AI workflows, allowing developers to write contracts in Markdown that compile into executable topologies for coordinating AI agents running on Claude, Codex, or other language models.

AI & Machine Learning Developer Tools Enterprise SoftwareUnited States of AmericaAmerica / CanadaFully Remote

Founders & leadership· Y Combinator alumni (X26)

OpenProse was founded in 2026 by Dan Barrett and Dan B.

Dan Barrett in 𝕏Founder & CEODan Barrett is a software engineer with 12 years of experience, including 5 years of work in agent development, and has founded two companies.

Dan B in 𝕏With 12 years of software engineering experience across roles including tech lead and CTO, he previously co-founded Smashing (2021–2025), an AI-powered media platform, and has spent five years building and deploying large language model systems in production.

Investors · 1

Y CombinatorSan Francisco · $500K

In the news

Genie Lessons from Genie Sessions: Prose as a Programming Languagenewsletter.kentbeck.com · May 2026

Frequently asked questions

What does OpenProse do?: OpenProse is a declarative language and framework for orchestrating multi-agent AI workflows, allowing developers to write contracts in Markdown that compile into executable topologies for coordinating AI agents running on Claude, Codex, or other language models.
Who founded OpenProse?: OpenProse was founded by Dan Barrett, Dan B in 2026.
Who are OpenProse's investors?: OpenProse's investors include Y Combinator.
Where is OpenProse headquartered?: OpenProse is headquartered in San Francisco, US.