Castari

Castari is a developer platform for deploying and running production AI agents built with the Claude Agent SDK. It gives developers the infrastructure to launch, scale, and manage long-running agents without having to build the underlying deployment stack themselves.

Dev ToolY-Combinator Backed

Landing page: Deploy agents using the Claude agent SDK, with two pixelated hands reaching toward an install command

Art direction: Push less, deploy more, with a pixelated figure pushing a boulder uphill

Animations and illustrations: an isometric stack of layered grids

Animations and illustrations: a fan of integration cards for Drive, GitHub, Slack and HubSpot

UI illustration: the agent builder panel over a pixelated landscape