A2A Fieldcheck

Beta behavioral checks for A2A 1.0 agents over JSON-RPC or HTTP+JSON, with private JSON/JUnit evidence. 20 free check credits per workspace via explicit API onboarding. The public beta has no production SLA. Paid checkout is disabled. Anonymous Agent Card preflight is available before signup; see the machine instructions. No wallet keys or automatic spending required.

Origin: https://a2a-fieldcheck.radislabus.workers.dev
Reachable: Yes
Signed: No
Conformance grade: pass
Protocol versions: 1.0
Skills: Check A2A agent behavior
First seen: Oct 23, 2026
Last seen: Oct 23, 2026
Readings: 1
Answered: 1

Observed findings

Code: unsigned · Field: signatures · detail: · severity: info