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Agent Control Standard
also ACS or OWASP Agent Control Standard
Definition of Agent Control Standard
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: an open protocol for placing portable policy checks at points in an AI agent's runtime, allowing a separate guardian to inspect an intended action and allow, deny, modify, escalate, or defer it before execution
- The platform used the Agent Control Standard to ask a guardian for approval before the agent called a payment tool.
- Supporting ACS let the company apply the same runtime policy to agents built with different frameworks.
Two meanings, one word
In everyday English
A control standard specifies a common way to inspect, permit, restrict, or record the operation of a system.
In AI
An open protocol for placing portable policy checks at points in an AI agent's runtime, allowing a separate guardian to inspect an intended action and allow, deny…
Origin & history
The OWASP GenAI Security Project published version 0.1.0 of the Agent Control Standard in September 2026. The specification builds on earlier work on portable agent-control checkpoints and uses a guardian model to separate policy decisions from the agent being governed.
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Cite this entry
"Agent Control Standard." AI Dictionary, Dadgogo, https://dadgogo.com/dictionary/agent-control-standard/. Accessed 7 Oct. 2026.