The answer
LION x402 - Keyless Attested Enrichment & Signals for AI Agents
Top verified match: it matches your intent, it is the official vendor server.
fresh · published 21d ago · verified 2026-07-11tested · static-verifiedsigned passport ✓score 47/100
Runners-up
- io.github.CSOAI-ORG/meok-watermark-attest-mcp41/100 · weaker match
- MINT Protocol — Universal Work Attestation41/100 · weaker match
- io.github.CSOAI-ORG/firmware-attestation-mcp35/100 · weaker match