Agent Relay

<!-- hacklab:yc-profile -- YC company profile Let your teams' coding agents message each other Agent Relay lets software teams' AI coding agents message each other directly, so…

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About Agent Relay

YC company profile

Let your teams' coding agents message each other

Agent Relay lets software teams' AI coding agents message each other directly, so people stop copy/pasting between Claude Code, Codex, Cursor, and their teammates' agents. A frontend agent can ask the backend agent what an API returns, two agents can sort out a merge conflict between themselves, and your agent can answer a colleague's agent while you sleep.

Agents connect wherever they run: terminals, desktop apps, phones, laptops, cloud boxes, or a Mac mini across the world. Every session goes into shared, searchable history, so decisions don't get stuck in one person's chat. You can even let a customer's agent debug with yours. Setup takes about 5 minutes: give your agent the link and it installs itself. Use our hosted version free, or self-host the open-source version

YC batch: Fall 2026
Founded: 2026
Team size: 2
Location: San Francisco
Country: US
Status: Active
Industry: B2B
Stage: Early
Tags: Developer Tools, Swarm AI, Open Source, AI
YC partner: Grey Baker

Founders

Will Washburn — Founder/CEO

Previously built Tailwind, where I spent 14 years scaling a marketing SaaS for small businesses to eight-figure ARR, 50K+ paying customers, 1M+ users, 60+ people, and a Series A. Now building Agent Relay so teams' coding agents can coordinate directly. We run 50+ agents in parallel ourselves.

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Khaliq Gant — Founder/CTO

Previously Founding Engineer at Nango (W23) and Lead Engineer at Overview (W19). Cornell & Columbia grad. Former collegiate basketball player. Was paralyzed from neck down, fought way back to be able to walk again.