ArcLang Playground

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GitHub

Compile a model to render the architecture explorer.

✦ AI design assistant

API key

Anthropic API key — stored only in this browser; calls go directly to api.anthropic.com, never through our server.

Get a key at console.anthropic.com. Usage is billed to your account.

Describe the system you want to design and I'll write the ArcLang model, compile it here, and keep fixing it with you until the gate passes.

Private by architecture: the full compiler runs in WebAssembly in this tab. No source ever leaves your machine — check the network panel. Report a bug ↗