We automate the work slowing you down.

Castar builds custom AI workflows that cut ops overhead and scale with your team. No fluff — just working systems.

Built by the team behind Castari (YC F25) — AI infrastructure used by thousands of developers.

🏆Backed by Y Combinator
📈Scaled RunPod to $100M ARR
👥2M+ users on AI products built by this team

What We Do

Real automation. Real results.

AI Workflow Automation

We map your ops, find the bottlenecks, and deploy AI agents that handle the repetitive work. From data pipelines to customer comms.

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Custom Agent Builds

Need a purpose-built AI agent for a specific job? We spec it, build it, test it, and hand it off — or run it for you.

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Infrastructure & Hosting

Already have AI workflows? We'll harden them, host them reliably, and make sure they don't break at 2am.

How It Works

From zero to running in days.

1

Discovery Call

We learn your stack, your pain points, and where AI actually helps.

2

Build & Deploy

We ship a working system in days, not months.

3

Iterate & Scale

We stay on until it's running smooth and you're saving real time.

Services & Pricing

Pick a starting point.

Everything is customizable.