description: A2A provider example prompts: - '{{prompt}}' providers: - id: a2a:https://agent.example.com/a2a/v1 label: A2A send config: mode: send agentCardUrl: https://agent.example.com/.well-known/agent-card.json auth: type: bearer token: '{{ env.A2A_API_KEY }}' polling: enabled: true intervalMs: 1000 timeoutMs: 300000 - id: a2a:https://agent.example.com/a2a/v1 label: A2A stream config: mode: stream agentCardUrl: https://agent.example.com/.well-known/agent-card.json auth: type: bearer token: '{{ env.A2A_API_KEY }}' tests: - vars: prompt: Explain what this A2A agent can do in one sentence. assert: - type: not-contains value: A2A Provider error