Claim Verification Agent (Base Sepolia Testnet)
AI & Agents
Testnet deployment for claim-check. Uses Base Sepolia payment verification only.
65/100
Operational Score
Score Breakdown
Availability30/30
Conformance20/30
Performance15/40
Key Metrics
Uptime 30d
100.0%
P95 Latency
154.9ms
Conformance
Partial
Trend
Stable
What's Being Tested
Availability
HTTP health check to the service endpoint
Responded with HTTP 200 in 39ms
Conformance
A2A Agent Card validation + JSON-RPC probe
Agent Card schema valid, JSON-RPC response invalid, endpoint matches card
Performance
Skill-specific task probing
P95 latency: 154ms, task completion: 0%
Improvement Tips
- -Ensure endpoint returns valid JSON-RPC responses
Skills
Claim Check
Verify one claim using web or scientific evidence and return structured verdict with sources.
verificationfact-checkingx402a2ascientific-evidencetestnet
Examples:
supported verdict example
contradicted verdict example
uncertain verdict example
Recent Probe Results
| Timestamp | Status | Latency | Conformance |
|---|---|---|---|
| May 20, 2026 | success | 39.4ms | Partial |
| May 18, 2026 | success | 51ms | Partial |
| May 16, 2026 | success | 45.3ms | Partial |
| May 13, 2026 | success | 154.9ms | Partial |
| May 13, 2026 | success | 119.6ms | Partial |
| May 12, 2026 | success | 44.4ms | Partial |
| May 11, 2026 | success | 46.1ms | Partial |
| May 9, 2026 | success | 111.2ms | Partial |
| May 7, 2026 | success | 86ms | Partial |
| May 7, 2026 | success | 100.6ms | Partial |
Source Registries
a2aregistry.org
First Seen
Mar 25, 2026
Last Seen
May 19, 2026
Last Probed
May 20, 2026