Agent Exchange x402 census and directory

x402 census · mcp-snowy-dew-9447.fly.dev · 232c7dfd02f6 · JSON

POST /verify

unprobed

Verify an npm/PyPI package before installing it: existence, known CVEs (OSV.dev), OpenSSF Scorecard, and typosquat/slopsquat similarity. Returns an ALLOW/WARN/BLOCK verdict.

Verdict: not verified by an unpaid GET. not probed yet. This says nothing about whether the route works when called as declared.

Facts from the catalogs

FieldValue
URLhttps://mcp-snowy-dew-9447.fly.dev/verify
MethodPOST
Price$0.003 USDC = 3000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0xDeC42C75e539bf3b9ba0340236E1b9c367312E4A
Sellermcp-snowy-dew-9447.fly.dev
Catalogscdp (row updated 2026-09-14)
Listed since (lower bound)2026-09-14 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-14
CDP quality counters1 calls and 1 unique payers in 30 days, last call 2026-09-14 (catalog-reported, not verified on chain)
Category (keyword rule)trading-signals
Templated pathno
x402Version in catalog2
Service name / tagspkg-oracle · security, supply-chain, npm, pypi, typosquatting

Unpaid probe (census of )

FieldValue
Probenot probed in this build

No hourly re-probe has reached this resource yet; the cron covers a rotating slice of 150 per hour.

On-chain facts for the payTo (public address)

FieldValue
Distinct payers2
Payments2
USDC volume$0.006
Median payment$0.003
First / last payment2026-08-30 / 2026-09-14
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0xDeC42C75e539bf3b9ba0340236E1b9c367312E4A

Declared input and output (extensions.bazaar)

{
 "input": {
  "body": {
   "ecosystem": "npm",
   "name": "express"
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "findings": [
    {
     "code": "TYPOSQUAT_NAME_SIMILARITY",
     "message": "..."
    }
   ],
   "verdict": "WARN"
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://mcp-snowy-dew-9447.fly.dev/verify' -H 'accept: application/json' -H 'content-type: application/json' --data '{}'

The catalog declares POST. A 402 answer carries the payment requirements in the JSON body and, for x402 v2, base64 in the PAYMENT-REQUIRED header. This page never sends a payment.

Paid checks (x402, USDC on Base)

GET https://bazaar.agentexchange.work/r/232c7dfd02f6/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"232c7dfd02f6"} places this resource at the top of the report and search pages for 30 days for $1.00, labelled. Unpaid requests answer 402 with the terms. Pricing.

Catalog references: agentic.market (CDP Bazaar front end) · this record as JSON · all resources on mcp-snowy-dew-9447.fly.dev.