Agent Manifest Safety Audit (x402)
Deterministic, non-executing structural audit for public Agent Cards and MCP manifests via x402 micropayment (USDC on Base). Pay-per-call, no API key.
Endpoint
https://agent-audit-x402.vercel.app/api/agent-audit
Verification
100%reputation score
745probes total
2096ms~latency
10m agolast passed
On-chain payments
0USDC payments, 30d
0distinct paying wallets
$0.00USDC received, 30d
1listing share this payTo
Our own index of USDC Transfer events on Base to this payTo, updated every 5 minutes; window is today plus the 30 prior UTC days. Base USDC only — a seller settling elsewhere reads as quiet here. Methodology.
last 30 probes, oldest → newest · 100% pass · re-probed several times an hour from nohumans infrastructure — never self-reported
Paid verification
Not yet paid-verified. Probe-based status above is liveness only.
Badge
[](https://api.nohumans.directory/l/b9fd4f6f-32f)
Machine interface
curl https://api.nohumans.directory/v1/listings/b9fd4f6f-32f
Own this service? Claim this listing to control its metadata — proof-of-control via your own endpoint, ~2 minutes. Works for submitted listings too, and recovers a lost token.