The answer
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.
What are AI agents, and how do they use MCP?
What is the difference between a tool and an agent?
More FAQs in What are AI agents, and how do they use MCP?
Yes. Agents can call ordinary APIs, local functions, or other tool interfaces. MCP provides a shared integration format, rather than a mandatory agent architecture.
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.
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