MCP as control plane

Model Context Protocol, or MCP, is shifting from a developer convenience to an enterprise control layer for AI agents. (anthropic.com; modelcontextprotocol.io) MCP is a standard way to let an AI application connect to outside systems, the way a USB-C port lets devices plug into different hardware. Anthropic introduced it as an open standard on November 25, 2024, and the protocol’s own documentation says it is meant to connect models to data sources, tools, and workflows. (anthropic.com; modelcontextprotocol.io) The new pitch is not just “connect more tools.” It is “put a governed server in the middle” so a company can decide which agent gets which data, under what permissions, with what logs and limits. (learn.microsoft.com; modelcontextprotocol.io) Microsoft’s Work IQ MCP overview, published in preview on Microsoft Learn in April 2026, says admins can manage MCP servers in the Microsoft 365 admin center and that the system includes scoped permissions, policy enforcement, and runtime observability. Microsoft also says a Microsoft 365 Copilot license is required to use Work IQ MCP servers. (learn.microsoft.com) Microsoft has been positioning Work IQ as the layer that ties together tenant data, memory, and inference for Copilot and agents. In a March 9, 2026 post, Microsoft said Work IQ uses Microsoft 365 tenant data such as SharePoint, OneDrive, Outlook, Teams, Dynamics 365, and Power Apps signals to ground agent behavior. (techcommunity.microsoft.com) IP Fabric is making a similar argument for infrastructure teams. Its April 2026 MCP material says the company’s enterprise MCP server is aimed at AIOps, comes with 10 expert-tested prompts, and is paired with timestamped, audit-ready network insights from its platform. (ipfabric.io) That focus reflects the harder part of enterprise agents: not getting a model to call a tool once, but making repeated tool use safe inside a company’s identity, compliance, and tenancy rules. The MCP specification itself warns that implementations involve arbitrary data access and code-execution paths and says users must explicitly consent to data access and operations. (modelcontextprotocol.io) The protocol’s design helps explain why vendors see an opening. MCP separates the host app, the client connector, and the server that exposes resources, prompts, and tools, which gives software vendors a natural place to add authentication, rate limits, approval flows, and audit trails around agent actions. (modelcontextprotocol.io) The result is that MCP servers are starting to look less like plug-ins and more like policy checkpoints. As more vendors package them with admin controls and compliance features, the fight shifts from who has the smartest model to who governs what the model is allowed to touch. (learn.microsoft.com; ipfabric.io)