200 Builders Descend on YC for an Agent Hackathon Spanning Phone, Email, and Browser

A Y Combinator event drew 200 developers building AI agents with real-world tool access — phone calls, email, and browser automation — in a single session.

Y Combinator hosted an agent-building event that drew approximately 200 participants, as reported by @AgentPhoneHQ. Builders worked on agents with access to phone, email, and browser integrations — the trifecta of real-world tool use that separates demo agents from production ones.

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