How would you explain MCP to a product engineer in one minute?

Instruction: Describe the Model Context Protocol in practical terms.

Context: Checks whether the candidate can explain the core concept clearly and connect it to real production decisions. Describe the Model Context Protocol in practical terms.

Example Answer

I would explain MCP as a standard way for assistants and applications to discover and use external capabilities without each integration becoming a custom one-off. It gives the host application a consistent contract for connecting models to tools, resources, and actions exposed by different servers.

For a product engineer, the value is leverage and control at the same time. You can connect new capabilities more consistently, while still deciding what the assistant is allowed to see and do inside your product.

The important caveat is that MCP is not a permission model by itself. It is a connectivity and capability framework. Product safety still depends on what the host allows and how the tools are governed.

Common Poor Answer

A weak answer is describing MCP as if it automatically makes integrations safe. It standardizes integration patterns; it does not replace product control.

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