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/http-headers

0.01 USDC per call, Base network

Security headers and the redirect chain, with what is missing and why it matters

Facts

Endpoint
POST https://tools.nalvorn.top/http-headers
Price
0.01 USDC per call on Base
Payment address
0x98d6768508A36C04d8a60E5E5B24Ac3d628F5350
MCP tool name
http_headers 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

{
  "url": "https://example.com"
}

Answer

{
  "ok": true,
  "final_url": "https://example.com/",
  "status": 200,
  "verdict": "fail",
  "present_count": 2,
  "expected_count": 6,
  "findings": [
    "content-security-policy missing (CSP: limits what injected scripts can do)"
  ]
}

Run it

# первый вызов без оплаты вернёт 402 и точную цену в атомарных единицах
curl -sS -X POST https://tools.nalvorn.top/http-headers \
  -H 'content-type: application/json' \
  -d '{"url": "https://example.com"}'

# платный вызов: тот же запрос плюс подпись платежа
curl -sS -X POST https://tools.nalvorn.top/http-headers \
  -H 'content-type: application/json' \
  -H "PAYMENT-SIGNATURE: $PAYMENT" \
  -d '{"url": "https://example.com"}'

Try a free one first