Mysten Labs has launched Verifiable Agent Arbiter, or VAA, in partnership with Google Cloud, according to a post shared by Sui on X. The product is aimed at enterprise users and is designed to provide an evidence layer that can prove whether an AI agent acted within its authorized scope. The related proofs are anchored using Sui and WalrusProtocol.
The announcement said VAA brings together an agent’s permissions, its actual actions, and the final outcome. At the same time, sensitive data such as prompts, model outputs, tool calls, and policy decisions remains private and is stored in Google Cloud storage controlled by the customer. Mysten Labs and Google Cloud also said VAA supports dispute replay and event reconstruction, and can enable verifiable agent commerce through Sui Agent payments and x402. The companies said the system may also help enterprises meet regulatory requirements, including those under the EU AI Act.
Mysten Labs has partnered with Google Cloud to launch Verifiable Agent Arbiter, or VAA, according to a post published by Sui on X.
The new product is positioned as an evidence layer for enterprises. It is intended to prove whether an AI agent operated within the scope of its authorization, with the related proofs anchored through Sui and WalrusProtocol.
What VAA records
According to the announcement, VAA combines an agent’s authorized scope, its actual behavior, and the final result. Sensitive information, including prompts, model outputs, tool calls, and policy decisions, remains private and is stored in Google Cloud storage under the customer’s control.
Replay, reconstruction, and verifiable commerce
VAA also supports dispute replay and event reconstruction. In addition, it can enable verifiable agent commercial transactions through Sui Agent payments and x402.
Compliance use case
The announcement added that VAA may help enterprises meet regulatory requirements, including those under the EU AI Act.
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