Exhibit 3 Step 3: Determine the full set of agents needed across workflows After identifying key tasks and classifying them into distinct archetypes, tech and business leaders must determine the specific agents needed within those archetypes to transform a workflow. Teams must also confirm that agents can technically integrate with required systems—data platforms, content repositories, and activation platforms—since system interoperability, not model design, is often the limiting factor. One key agentic archetype identified by the consumer brand, for example, was content generation. Within that archetype, executives identified almost 100 individual modular agents—that is, individual agents that can be inserted into the creative process across multiple workflows. A short-form text-generation agent, for example, could be used in different ways Reinventing marketing workflows with agentic AI 6