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The Rise of Model Context Protocols in Advertising

12/17/2025, 11:47:58 AM

Transitioning from APIs to MCPs

The advertising industry is witnessing a significant shift from traditional Application Programming Interfaces (APIs) to Model Context Protocols (MCPs), an open-source standard designed to enhance the connectivity of AI systems with external data sources. MCPs streamline the integration process, reducing the time required to connect various parties and minimizing manual interventions. Mansoor Basha, Chief Technology Officer of Stagwell Marketing Cloud, emphasized that this transition allows for more efficient campaign management.

On Tuesday, Infillion introduced the Infillion Agent Connector, a platform that utilizes MCPs to facilitate communication between AI agents throughout the entire advertising campaign lifecycle. This includes campaign planning, budgeting, targeting, and analysis. The Agent Connector enables AI agents to share outputs and inputs seamlessly, enhancing the overall effectiveness of advertising strategies.

The Agentic Era of Advertising

As the industry moves into what is being termed the "agentic era," the role of digital media tools is evolving. Jeremy Woodlee, General Manager of enterprise at Infillion, noted that while the industry is transitioning away from a programmatic focus, the foundational tools from that era will still play a crucial role. Brands and agencies are expected to develop personalized agents trained on their specific data and campaign histories, which can be integrated into the MediaMath platform for campaign execution.

The Agent Connector allows advertisers to either utilize their own agents or opt for pre-built solutions, ensuring compatibility with existing campaign data stored within the MediaMath platform. This comprehensive approach covers all aspects of the advertising business model, allowing for a more streamlined process.

Customization and Flexibility

The Infillion platform is designed to be AI-agnostic, allowing agencies to switch between different AI models without necessitating changes to the connector itself. This flexibility is crucial as the competitive landscape of AI tools continues to evolve. Simon Asselin, CTO of Infillion, highlighted that advertisers can interact with the platform using natural language prompts, eliminating the need for extensive technical knowledge.

Basha pointed out that Infillion aims to collaborate with various companies, emphasizing the importance of customization. The platform's composable model allows clients to integrate their existing data solutions, whether they use Snowflake for data warehousing or other vendors for identity data and marketing attribution.

Implications for the Advertising Landscape

The emergence of MCPs and the Infillion Agent Connector presents a viable alternative to traditional advertising methods, particularly within walled gardens where advertisers often lack control. The competitive nature of the advertising technology sector encourages continuous innovation, ultimately benefiting clients by providing more effective and tailored solutions.

Verbatim Quotes

  • “we want to do this with everybody.” — Mansoor Basha, CTO of Stagwell Marketing Cloud
  • “The online ad industry has “a lot of standardization,” said Woodlee.” — Jeremy Woodlee, GM of enterprise at Infillion

Conclusion

The transition to Model Context Protocols marks a pivotal moment in the advertising industry, enabling more efficient and flexible campaign management through advanced AI integration. As companies like Infillion lead the charge, the landscape is set to evolve, offering advertisers greater control and customization in their marketing strategies.