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YC List Fall 2026

YC F26 · Active

Phone Harness

Let your agent control your phone

Class
Fall 2026
Status
Active
Industry
B2B
Location
San Francisco, CA, USA
Team size
1

Website

https://phone-harness.com/

About

Phone Harness is the most popular open-source harness for phone automation with 3,800+ GitHub stars. We enable agents to tap, type, and scroll on your personal phone or cloud-hosted phones. Supports iPhone and Android. No jailbreak, API, or app installation needed.