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Explore the concepts behind AI agents, one useful connection at a time.
Concept directory
Agent
An agent is a system that uses a model to choose actions toward a goal, then responds to what happens. How much freedom it has depends on the application.
Agent Harness
An agent harness runs interactions between a model and its tools. It supplies context, routes action requests, returns results, and manages when execution continues or stops.
Agent Loop
An agent loop repeats a cycle of model decisions, actions, and feedback until a stopping condition is met. It lets the system adapt its next step to the result of an earlier action.
Scaffold
Scaffold can describe the instructions, tool descriptions, and context setup that shape a model’s behavior. Some authors use the word for more of the surrounding agent software.
Workflow
In this Atlas, a workflow is an arrangement of steps whose control flow is primarily specified by application code. It may include language models, tools, branching, and repeated operations.