🛡️ ShieldAPI MCP Server
Security intelligence tools for AI agents — prompt injection detection, skill security scanning, URL/domain/IP/email/password checks.
🆓 Free Tier: 10 real API calls per endpoint per day — no wallet, no account, no API key needed.
💰 Unlimited: Pay-per-request with USDC micropayments via x402 ($0.001–$0.02/call).
Now with AI-native security: Detect prompt injection in real-time and scan AI skills for supply chain attacks.
Quick Start
npx shieldapi-mcpNo wallet? No problem — the free tier gives you 10 real API calls per endpoint per day with full results.
With wallet? Unlimited calls via x402 USDC micropayments on Base.
Pricing
| Tier | Access | Limit |
|---|---|---|
| 🆓 Free | No wallet needed | 10 calls/endpoint/day (real results) |
| 💰 Paid | x402 USDC on Base | Unlimited |
| Endpoint | Free Calls/Day | Paid Price |
|---|---|---|
| check-password | 10 | $0.001 |
| check-password-range | 3 | $0.001 |
| check-email | 10 | $0.005 |
| check-domain | 10 | $0.003 |
| check-ip | 10 | $0.002 |
| check-url | 10 | $0.003 |
| check-prompt | 10 | $0.005 |
| full-scan | 3 | $0.01 |
| scan-skill | 3 | $0.02 |
Free tier responses include full results with a _meta.tier: "free" field and remaining call count.
