Public sandbox · shared state · resets every 12 hoursRun your own

Public sandbox

Try the Sandbox Assistant

Type a short request. The assistant answers, and every step it takes is signed and written to a log anyone can verify.

Ctrl/⌘ + Enter to send
Try:

The Sandbox Assistant is a small rule-based program that runs locally, not an AI language model. It handles the examples above: hashing, counting, planning, calculating, unit conversion and notes. Anything else gets a short help message.

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Where things are

Tasks–sent to the assistant. Open one to see its steps.Activity–recent signed log entriesPermissions–what agents are allowed to doMemory–notes agents have savedAgents–connectedSettlementComing soonRobinhood Chain (4663), USDG

How it works

1. Ask

Send a short request

Use one of the examples or type your own, such as “calc 12*(3+4)”.

2. Watch

See the result and steps

The task page shows the answer and each step the assistant took.

3. Verify

Check the log is intact

Every step is signed and chained. One click on Activity verifies it.