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Phone Harness

YC F26

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

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Phone Harness is an open-source framework that lets AI agents operate iPhone and Android devices—whether personal or cloud-hosted—by tapping, typing, and scrolling, without requiring jailbreaking, APIs, or app installation. It serves developers building phone automation and agent-driven mobile control.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareOpen SourceAPIAutomationAIUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (F26)

SPShawn Pana
Shawn PanaFounder/CEOHe previously served as Head of Growth at Browser Use, where he led product launches and developer partnerships, and studied Mathematics and Computer Science at UC San Diego.

Investors · 1

Frequently asked questions

What does Phone Harness do?
Phone Harness is an open-source framework that lets AI agents operate iPhone and Android devices—whether personal or cloud-hosted—by tapping, typing, and scrolling, without requiring jailbreaking, APIs, or app installation. It serves developers building phone automation and agent-driven mobile control.
Who are Phone Harness's investors?
Phone Harness's investors include Y Combinator.
Where is Phone Harness headquartered?
Phone Harness is headquartered in San Francisco, US.