Solo founder Shawn Pana, previously on growth at Browser Use, is selling agents persistent cloud phones after open-sourcing the harness for personal devices.
By [Ryan Merket](https://runtimewire.com/author/ryan-merket)
· Published
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Primary source: [x.com](https://x.com/shawn_pana/status/2118010388621000770)
Why it matters #
Phone Harness attacks the gap between browser agents and native mobile apps, where logged-in sessions, real phone numbers and SMS 2FA still block automation. Persistent cloud iPhones and Androids give Pana a rental business and put spending, messaging and identity actions inside an agent's reach.
Shawn Pana (@shawn_pana) launched Phone Harness on November 4th in a thread on X. He pitched it as a way for AI agents to use a personal iPhone or Android, or a hosted phone in the cloud, to test mobile apps, send messages, make calls and retrieve two-factor authentication codes. Pana is the solo founder and CEO of Phone Harness, which he lists as a Y Combinator Fall 2026 company.…
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