agent card
A machine-readable description of what an agent or service can do, served at a well-known path.
What agent card means
Early and sparsely adopted.
Where agent card comes up on this site
- How an AI agent should verify a website before it actsA site declares itself in several places: agent manifests , robots.txt and its Content Signals, llms.txt, structured data, an A2A agent card, MCP listings.
Terms this definition uses
Definitions that name agent card
Related terms in Machine files
The files addressed to machines rather than readers, and what publishing one does and does not buy.
llms.txt · llms-full.txt · agents.md · entity map · entity map parity · machine layer · well-known URI · MCP · sitemap index · OpenAPI specification · ai.txt · Tool definition · SKILL.md · sitemap origin error · soft 404 on a machine file · tdmrep.json · TDM exception · security.txt · Content Signals · HTTP Message Signatures · changefreq and priority · staging leak · host duplicate
Questions about agent card
What is agent card?
A machine-readable description of what an agent or service can do, served at a well-known path.
Which area of the glossary does agent card belong to?
Machine files: The files addressed to machines rather than readers, and what publishing one does and does not buy.
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