Playground

Describe what you want.
It runs on real Kubernetes.

No signup, no card — a live agent building in your own namespace for 30 minutes.

tinysystems — new agent
⌘↵to start
Model
Claude Sonnet 4.6
Strong tool-use, ~5× cheaper than Opus. Drives the build over MCP — the same agent stack you'd run from Claude Code.
Session
30 min · 50k tokens
Ephemeral workspace, auto-cleanup at T+30. Sign in to claim it and keep it running.
What runs
A real K8s flow
Spot node pool. We cover the LLM bill during the demo, so you don't need an API key.