https://assay.nominal-labs.com/score
Quality score for any x402 service, earned by real paid probes with on-chain receipts: composite 0-100, component breakdown (payment settlement, schema conformance, ground-truth accuracy, LLM-judged quality), 7-day trend, probe count. Scores publish only after 20+ probes across days; daily corpus digests are Bitcoin-anchored via OpenTimestamps. Query: /score?service={url-encoded resource URL}. Free: /tier/{url}, /leaderboard. Agent guide: https://assay.nominal-labs.com/SKILL.md
#97
$0.0050
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1
Points earned against points available, biggest lever first.
| Rank | Service | Score | Volume | Price |
|---|---|---|---|---|
| #1 | StableEnrich−42 | 68 | 51.9K txns | $0.15 |
| #2 | 56 | 1.5K txns |
| $0.03 |
| #3 | Linked Panda−27 | 53 | 478 txns | $0.05 |
| #4 | 52 | 564 txns | $0.01 |
| #5 | SocialFetch−26 | 52 | 597 txns | $0.01 |