HomeBriefFor youTrackersTopicsCompaniesGlossaryNewsletterSecurityHealth & medicineFinance & marketsRoboticsModels & researchPolicy & regulationEnterprise & businessDeveloper tools
Glossary

Agent

An AI system that pursues a goal by taking actions with tools, in a loop, rather than answering a single question.

See the explainer What is an AI agent?. The risk and value of an agent both come from the tools and permissions it has.

Related terms

Agent harnessModel Context Protocol (MCP)Prompt injectionTool use (function calling)

← All terms

Get the brief in your inbox

One email every morning: the stories that mattered in AI, each with a one-line "why it matters" for your role. Free, no ads, unsubscribe any time.

Published daily by AI Briefing. We never share your address.
Like this? Get tomorrow's brief by email, free.