A field guide to verifiable credentials for AI agents: how an agent proves who it is, who it acts for and what it may do, and reveals nothing else.https://agentcredentials.dev/https://agentcredentials.dev/writing/delegating-a-credential-to-an-agent/https://agentcredentials.dev/writing/delegating-a-credential-to-an-agent/For identity and security engineers. How a person can hand one fact from their own credential to an AI agent with Delegate SD-JWT, without giving the agent the credential or its key, and how a site checks the chain.Fri, 16 Oct 2026 00:00:00 GMThttps://agentcredentials.dev/writing/agent-credential-under-the-hood/https://agentcredentials.dev/writing/agent-credential-under-the-hood/For identity and security engineers. How an AI agent gets an SD-JWT VC over OpenID4VCI, keeps it in a wallet it cannot open, and signs in over OpenID4VP, in eight interaction points.Tue, 13 Oct 2026 00:00:00 GMThttps://agentcredentials.dev/writing/an-agent-with-its-own-credential/https://agentcredentials.dev/writing/an-agent-with-its-own-credential/Personal AI agents prove who they are with API keys, a separate secret for every service. We gave one its own digital ID and a wallet to keep it in, then sent it to hold two concert seats.Tue, 13 Oct 2026 00:00:00 GMT