Pablo Hansen
FounderI finished my master's degree in AI at 19 and was then hire #1 at Onyx (YC W24) for a year before starting Proliferate (fka. Keystone).
Founder profile As recorded 2026-09-15
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Productivity
Proliferate
Overview
We're a dense, small team in SF building the open source platform for working with agents.
Company description As recorded 2026-11-08
Founders & team
Previously Keystone
Company history As recorded 2026-11-08
Founded 2025 · Source
News & product activity
Cohort membership
Summer 2025Summer 2025
Original evidence ↗Sources & observations
Profile depthenriched profile
Website observationwebsite unreachable
Last website check2026-11-11
Location · source statedSan Francisco, CA, USA
Pricing evidenceNo pricing page confirmed
Maturity: Not assessed · 3 of 6 areas documented
Source-based assessment · automated evidence rules
The latest website check does not confirm this company’s website.
Maturity is an evidence-based assessment, not a success rating. It may understate the current stage where evidence is limited. Coverage records documented areas, not a complete or independently audited company history.
- Product overviewSource description Checked 2026-11-08
- Product visualsNot documented
- Founders & originsTeam information
- Business model & pricingNot documented
- Funding & ownershipNot documented
- Dated milestonesDated source activity: 2025 Q3 (quarter only)
independent websitesource corroborationdescriptive evidenceclassified market and modelsourced peoplesourced founding yeardocumentation observedrecent publishing observed
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