fanfare.run

Card: https://fanfare.run/.well-known/agent.json
Watched since 2026-10-17, found by StillOpen.

Last check, 2026-11-02 02:59 UTC: fail

fail required field 'supportedInterfaces' is missing
fail looks like an A2A 0.3 card (top-level url); v1.0 lists endpoints in 'supportedInterfaces'
info https://x402.org/extensions/sign-in-with-x carries no version in its path; a breaking change then has no new URI to move to (4.6.3)
info declares https://x402.org/extensions/sign-in-with-x
warn v1.0 JSON uses camelCase; these keys are snake_case: pillars.[0].path_prefix, pillars.[1].path_prefix, pillars.[2].path_prefix, pillars.[3].path_prefix
info no JSONRPC or HTTP+JSON interface to probe

Last 30 days (watched since 2026-10-17): answered on 17 of 17 days checked, probe passed on 0. Our check took a median 0.5s (card fetch plus probes, from our server — not the agent's own latency). Card signature: none.

Daily history, last 90 days

One mark per day we checked: green probe passed, amber card answered, red did not answer. Days without a check are not shown.