Endpoint
proof.holdings/ api/ a2aDelegated by proof.holdings.
A signed delegation for this endpoint was found where its publisher can put one, and it is in force. Every place checked is on the search record.
A delegation records that the owner of proof.holdings authorized this endpoint. It does not say the endpoint is safe, audited or endorsed.
Proofproof.holdings · artifact lookup
Search recordChecked 2026-10-13 18:00 UTC
artifacthttps://proof.holdings/api/a2a
answerDelegated by proof.holdings
places checked
endpointThe endpoint address itselfNothing publishedRead; it carries no delegation in any of the sanctioned slots.https://proof.holdings/api/a2a
mcp cardhttps://proof.holdings/.well-known/mcp/server-card.jsonDelegation for a different artifactCarries a delegation for a different artifact (pkg:npm/@proof-holdings/mcp-server); it says nothing about this one.https://proof.holdings/.well-known/mcp/server-card.json
agent cardhttps://proof.holdings/.well-known/agent-card.jsonDelegation found, in forceCarries a delegation from proof.holdings for this artifact.https://proof.holdings/.well-known/agent-card.json
agent.jsonhttps://proof.holdings/.well-known/agent.jsonDelegation found, in forceCarries a delegation from proof.holdings for this artifact.https://proof.holdings/.well-known/agent.json
domainsThe _mcp DNS pointer and the .well-known MCP and agent cards of up to 5 domains holding a delegation for this artifact at proof.holdingsDelegation found, in forceproof.holdings publishes a delegation for this artifact at https://proof.holdings/.well-known/agent-card.json.https://proof.holdings/.well-known/agent-card.json
[](https://proof.holdings/endpoint/proof.holdings/api/a2a)The delegation
The token, as it was found
Check it yourself: its signature against api.proof.holdings/.well-known/jwks.json, and that its delegate is exactly https://proof.holdings/api/a2a — the artifact you looked up, not whatever a card says about itself.
principalproof.holdings
scopeproof-verification
issued2026-10-08
expires2027-10-08
found athttps://proof.holdings/.well-known/agent-card.json; https://proof.holdings/.well-known/agent.json; The _mcp DNS pointer and the .well-known MCP and agent cards of up to 5 domains holding a delegation for this artifact at proof.holdings
handleph_dlg_7d7e7ea7521735cb035b1908992c1524
token
eyJhbGciOiJFUzI1NiIsInR5cCI6IkpXVCIsImtpZCI6InByb29mLWhvbGRpbmdzLTIwMjYtMDkifQ.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.G88kjuh_DHSc82VQeFSGeORq7ZS1gDe30Educ8NYfuI7x8dG1XD8bEU7RS-MRJb9TKXATDJcxvQQ6nhm-cegNw