Enterprise AI Glossary · Reviewed August 2026

MCP (Model Context Protocol)

An open protocol for exposing tools, data sources, and prompts to AI agents in a standard way.

What is MCP (Model Context Protocol)?

MCP lets you wrap an internal API or a third-party agent platform as a tool any compatible agent can invoke. In practice it is the integration glue between platforms — for example, running n8n or CrewAI flows as tools inside a VDF AI Network. See Model Context Protocol and Integrate n8n & CrewAI as MCP Tools.

What is an example of MCP (Model Context Protocol)?

An internal MCP server exposes approved read-only customer-service tools and policy documents. Multiple AI clients can discover the same capabilities without each team building a custom connector, while the server enforces the user’s permissions.

How is MCP (Model Context Protocol) different from related concepts?

MCP connects an AI application to tools and context. Agent-to-agent protocols focus on agents discovering and collaborating with other agents. The two can be complementary.

Why it matters for on-premise & regulated AI

MCP standardises how agents reach tools and data — which makes it the natural enforcement point for on-prem governance. Self-hosting your MCP servers means connectors to Jira, databases, and file stores run inside your network with your credentials, and every tool invocation can be policy-checked and logged locally. The alternative — cloud-hosted connectors holding standing credentials to internal systems — is precisely what security teams reject.

What should enterprises evaluate for MCP (Model Context Protocol)?

  • Treat every MCP server as a privileged integration and review its operator, code, credentials, data access, and network reach.
  • Prefer narrow, typed tools with least-privilege credentials and explicit confirmation for consequential actions.
  • Log tool name, arguments, authorization decision, result, and originating user and agent for every call.

Related terms

Authoritative sources

Primary sources for the formal meaning, requirements, or original research behind MCP (Model Context Protocol):

Putting MCP (Model Context Protocol) to work?

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