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Announcing Keryx: A Full-Stack TypeScript Framework for APIs and MCP Servers

calendar_today March 13, 2026 person Evan Tahler domain api-first

After 14 years of building Actionhero, I built a new framework from scratch. Keryx lets you write one Action class and deploy it across HTTP, WebSocket, CLI, background tasks, and MCP — all with the same validation and middleware.

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