# 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 uses a temporary development tunnel with no uptime guarantee. Paid checkout is disabled. No wallet keys or automatic spending required.

- **Domain**: `a2a-fieldcheck.radislabus.workers.dev`
- **A2A protocol version**: 1.0
- **Kind**: a2a_agent
- **Live-responds (last probe)**: False
- **Signed card**: False
- **Streaming**: False
- **Quality score**: 76%

## Skills
- **Check A2A agent behavior** — Submit a bounded check contract with target origin, message and expected text or JSON value. Receive pass/fail, latency and JUnit. One credit per completed chec

## URLs
- Agent card: https://a2a-fieldcheck.radislabus.workers.dev/.well-known/agent-card.json
- Page (HTML): https://agenstry.com/agents/a2a-fieldcheck.radislabus.workers.dev
- Documentation: https://a2a-fieldcheck.radislabus.workers.dev/agents