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Many companies are racing to build AI agents. However, as their use becomes widespread, the challenges of scalability and interoperability are becoming clearer.

The core problem is integration with the digital world. To do useful work, agents typically need access to the CRM, the ERP system, databases, messaging tools, and more. However, as more agents and tools get added to the ecosystem, this gets dramatically more complex.

The solution is a deceptively simple idea with outsized implications: the Model Context Protocol (MCP). Built and open-sourced by Anthropic, MCP is emerging as the de facto standard for connecting AI agents to other systems, including those built by OpenAI, Google, and Amazon.

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The So What

MCP is like a USB-C port for AI agents—a standardized link that greatly reduces the headaches of connecting large language models (LLMs) to tools and data.

Launched in late 2024, it is an open-source protocol that standardizes how agents access tools and data, acting like a universal adapter between AI agents and the tools, data, and prompts they use. (See the exhibit.) Without it, a new integration would be needed every time an agent needs to use a tool, meaning the number of integrations would rise quadratically as AI agents spread throughout the organization. With MCP, however, integrations can be reused, so the effort increases only linearly. As more AI agents are created, the time and effort saved increase. As such, the benefits grow fast, not just steadily. Scaling up becomes much cheaper and faster.

How MCP Connects AI Agents to the Innovation Ecosystem

An MCP server is more than just a REST API. MCP supports complex, session-based interactions that can reference previous activity, which helps AI agents act more dynamically and interactively and become, in effect, the new all-stars on your team. And it’s not just for AI: non-AI systems can use it too, adding flexibility and functionality to other integrations.

Dive Deeper

MCP doesn’t just accelerate building agents—it helps build better agents. MCP enables agents to evolve from pre-set workflows based on chains of prompts to true autonomous agents. This is because:

Other standards are emerging to support the ecosystem, such as the A2A standard from Google, which is designed to facilitate interactions between agents.

Now What

To capture the value created by MCP, organizations must:


MCP has arrived at the right moment. As organizations start to scale their agent deployments, MCP offers the infrastructure to do it right. Using MCP can not only efficiently deliver agents that work; it can evolve, scale, and deliver better enterprise value.

Yes, it is still early days for MCP. It is still evolving technically, and in time rival solutions may yet emerge. However, MCP’s rapid acceptance by many major players shows that the ecosystem around AI and AI agents is evolving—and improving—fast. For firms building out AI agents, the road is clear for efficient rollout at scale.