Dev builds Impello, an agent sandbox platform from $5/mo, with Fable 5.1 generating its UI
theramjad · x · 2026-09-03
Developer theramjad revealed he's running his own sandboxing platform for agents, Impello — and had Fable 5.1 generate the product interface by mashing three designs he liked together. General release is planned once most bugs are cleaned up.
Impello offers dedicated sandboxes for AI agents:
- Full Ubuntu machines with root, started from a single SDK call from your own Dockerfile template — run tests, builds, browsers, any tooling
- Every vCPU is a real, reserved thread: no noisy neighbors or throttling
- Free pause: billing stops while paused, disk persists (32GB on Base, 64GB on Scale), keep 500–1,000 paused sandboxes and reconnect anytime
- EU compute (Germany and Finland) for compliance; plans start at $5/month, early access open without a card
This "give your agent a dedicated Linux box" model is an emerging infrastructure direction for agent code execution.
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