Interactive worlds for people and AI to build, learn and solve problems together
Composable computers for devs and agents
Stage
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Founded
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Based in
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NL
Pricing model
Free
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Pricing
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Credit-based pricing: €0.039 per vCPU-hour (active only), €0.012 per GiB-hour for RAM (memory in use), €0.00008 per GiB-hour for disk (written space only). New accounts receive €30 in free credits. A typical 2 vCPU / 8 GiB machine costs approximately €0.03 per hour while running (with 10% vCPU activ
Key features
Photo to brick set conversion with 3D preview and parts list
Workbench for collaborative brick-by-brick editing
MCP server integration with Claude Code, Codex, Cursor and more
Build structure checking and validation
OAuth sign-in with no token storage
Offline build access with local browser storage
Export digital manuals and wanted parts lists
Interactive environments for AI training
Consent-based human demonstration recording
Hardware-isolated Linux VMs with persistent state between sessions
Snapshots and checkpoints for machine state management
Automatic hibernation after 4 hours idle, paying for disk only