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/package-check

0.005 USDC per call, Base network

Registry check for npm or PyPI: latest version, deprecation, licence, staleness

Facts

Endpoint
POST https://tools.nalvorn.top/package-check
Price
0.005 USDC per call on Base
Payment address
0x98d6768508A36C04d8a60E5E5B24Ac3d628F5350
MCP tool name
package_check at https://tools.nalvorn.top/mcp
Repeat calls
Every answer carries recheck_at (when to look again) and changed_since_last_call (whether anything moved since your previous call of the same tool), so you pay for a change, not for a habit of checking.

Request

{
  "ecosystem": "npm",
  "name": "left-pad"
}

Answer

{
  "ok": true,
  "ecosystem": "npm",
  "name": "left-pad",
  "latest": "1.3.0",
  "verdict": "fail",
  "deprecated": true,
  "findings": [
    "package is deprecated"
  ]
}

Run it

# первый вызов без оплаты вернёт 402 и точную цену в атомарных единицах
curl -sS -X POST https://tools.nalvorn.top/package-check \
  -H 'content-type: application/json' \
  -d '{"ecosystem": "npm", "name": "left-pad"}'

# платный вызов: тот же запрос плюс подпись платежа
curl -sS -X POST https://tools.nalvorn.top/package-check \
  -H 'content-type: application/json' \
  -H "PAYMENT-SIGNATURE: $PAYMENT" \
  -d '{"ecosystem": "npm", "name": "left-pad"}'

Try a free one first