graphadvocate.com

Card: https://graphadvocate.com/.well-known/agent-card.json
Watched since 2026-10-17, found by StillOpen.

Last check, 2026-11-01 02:58 UTC: fail

fail required field 'supportedInterfaces' is missing
fail looks like an A2A 0.3 card (top-level url, preferredTransport, protocolVersion); v1.0 lists endpoints in 'supportedInterfaces'
info declares https://x402.org/ext/a2a-payments/v1
warn 'defaultInputModes' has values that are not media types: ['text']
warn 'defaultOutputModes' has values that are not media types: ['text']
info no JSONRPC or HTTP+JSON interface to probe

Last 30 days (watched since 2026-10-17): answered on 16 of 16 days checked, probe passed on 0. Our check took a median 0.2s (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.

Graph Advocate

Card: https://graphadvocate.com/.well-known/agent.json
Watched since 2026-10-15, listed by a2aregistry.org.

Last check, 2026-11-01 02:47 UTC: fail

fail required field 'supportedInterfaces' is missing
fail looks like an A2A 0.3 card (top-level url, preferredTransport, protocolVersion); v1.0 lists endpoints in 'supportedInterfaces'
info declares https://x402.org/ext/a2a-payments/v1
warn 'defaultInputModes' has values that are not media types: ['text']
warn 'defaultOutputModes' has values that are not media types: ['text']
info no JSONRPC or HTTP+JSON interface to probe

Last 30 days (watched since 2026-10-15): answered on 18 of 18 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.