The answer
Yes. Agents can call ordinary APIs, local functions, or other tool interfaces. MCP provides a shared integration format, rather than a mandatory agent architecture.
What are AI agents, and how do they use MCP?
Can an AI agent work without MCP?
More FAQs in What are AI agents, and how do they use MCP?
No. MCP can give an application access to external information during a task. That information becomes context without necessarily changing the model's trained parameters.
A tool performs a defined operation, such as searching records. An agent coordinates steps and may select tools based on the goal and previous results.
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