Definition · foundations
agent card
agent card is a file that tells other systems who an agent is, what it can do, and how to reach it. You can spot agent card in practice when the record shows what the system observes, what choice it makes, and what changes next, without asking the reader to guess or trust a slogan.
157 definitions656 sourced recordsNamed source: ACL Anthology
Why does agent card matter?
A good card lets another system decide whether this agent fits before sending work or data to it. For agent card, start with three checks: What can the system observe? What choice can it make? What changes after it acts? The answers should point to visible evidence, not a promise.
What does agent card look like?
A coordinator reads an agent card to confirm accepted task types, endpoint, and authentication method. This example makes agent card visible by naming the actor, the action, and the result in practice. It is an illustration for readers, not a claim that every product behaves this way.
What is agent card easy to confuse with?
An agent card describes an agent to others. An agent manifest governs the agent's own purpose, tools, and limits. The closest entries here are agency, agent discovery, agent registry. Compare their definitions with agent card before using the names as if they mean the same thing.
How certain is this definition?
This definition is provisional. ACL Anthology supports the version you see today, but a better or more direct source may change it. Open the cited page and check its date before you use this entry to choose a product, write a policy, set a safety control, or design a system.
Who introduced the term agent card?
We have not verified who first introduced agent card. The source supports a useful definition, but it may not be the earliest use. Until a dated primary record settles the question, we leave the origin open. A popular article or product page is not enough to name the person who coined a term.
What should you understand before agent card?
Read artificial intelligence (AI) first when agent card depends on a more basic idea or mechanism. The link gives you a useful route through the glossary. It does not mean every author teaches the subject in this order, so follow the source when the sequence matters.
What should this term help you answer?
Use agent card to ask what an agent can observe, decide, change, remember, or hand off. The questions below turn the definition into a practical check. They are prompts for your own work, not claims made by the source, so change them to fit the system you are examining.
- What can the system observe?
- What choice can it make?
- What changes after it acts?
Which source supports this definition of agent card?
ACL Anthology supports this working definition of agent card. We checked the link on 2026-07-12. Open the original record for its context, methods, limits, and publication details. The short explanation here is a guide to agent card; the linked source remains the evidence to inspect when the wording or boundary matters.
source foundagent cardChecked 2026-07-12→