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What is an AI agent?

Glossary · AI agent and machine identity security

Short answer

An AI agent is software that decides on steps and takes actions with the access it is given, instead of only answering questions.

Why it matters

An agent acts as an identity. What it can do depends on the credentials, roles and tools it holds, not on what its instructions say.

What it looks like

An assistant that reads tickets, searches documents and opens pull requests, each with a different credential.

In nerl0

nerl0 maps every AI agent and what each can reach. The Agent in the workspace answers questions about that map. See Agent.

Related terms

Non-human identity · Agent Reach · Shadow agent