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AI Agent

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An autonomous system that perceives its environment, plans across multiple steps, acts using tools, observes results, and self-corrects in a loop.

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Definition

An AI agent is a model running as a loop: gather context, act using tools, observe results, decide what to do next, repeat. Unlike autocomplete — where the model responds once to a prompt — an agent plans, acts, and self-corrects across an extended task. The loop is the same regardless of task: gather, act, observe. What changes is the skill that shapes how the agent gathers, what tools it calls, and where the human gates are.

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Source

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