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What Does a Beta Test of a Sell-Side Agent Look Like?

Created on June 14, 2026
What Does a Beta Test of a Sell-Side Agent Look Like?
Magnite has recently unveiled Magnite Orchestration, a new infrastructure layer designed to enable agent-to-agent transactions within the advertising technology landscape. The platform's primary function is to connect AI-powered buyer agents directly with premium inventory on the sell-side. Currently in beta, the system involves initial partners such as dentsu and DIRECTV Advertising, who are actively evaluating its performance and integration capabilities. Magnite Orchestration operates as a coordination layer positioned above the traditional transaction infrastructure, offering open integrations that allow buyers to connect their proprietary agent systems for functions like planning, activation, and optimization. For the sell-side, the Magnite Seller Agent provides publishers with crucial tools to package inventory and audiences, control pricing and targeting, and ensure their inventory is easily discoverable and purchasable by buyer agents. The overarching goal of this initiative is to establish automated, agent-to-agent transactions, where artificial intelligence systems handle negotiations and execute deals without the need for constant human oversight. Dentsu, for instance, has integrated its Audiences with Magnite's infrastructure, leveraging a unified data layer to bring real-time data, optimization, and decision-making closer to the point of activation. This approach seeks to overcome long-standing latency issues, where data signals previously took significant time to influence live ad auctions. The system incorporates various specialized agents dedicated to creative development, campaign delivery, performance measurement, and ongoing optimization, all contributing to a more streamlined and automated ad campaign management process.

Summarized using AI, subject to mistakes

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