---
title: "Knowledge: agent loop"
summary: "Knowledge Base entries tagged “agent loop”."
published: 2026-11-09
updated: 2026-11-09
language: en
tags: ["agent loop"]
canonical: https://joaodavidsilva.com/knowledge/tags/agent-loop/
---

# Knowledge tagged “agent loop”

- [Tool](https://joaodavidsilva.com/knowledge/tool.md): A function the harness exposes for the agent to call, and the only way the agent perceives and acts on its environment.
- [Tool call](https://joaodavidsilva.com/knowledge/tool-call.md): The model's output naming a tool and its arguments: structured text that the harness has to read and execute.
- [Turn](https://joaodavidsilva.com/knowledge/turn.md): One user message plus everything the agent does in response, up until it yields back to the user.