"Samsung Pay" matching MCP servers:

Provides a high quality cybersecurity tool platform with pay as you go pricing (no subscription).

Enables users to analyze HTTP response headers of any URL for security and configuration, returning a 0-100 security score, HSTS/CSP and header checks, server detection, caching details, and recommendations. Supports pay-per-call access via x402 micropayments.

Enables AI agents to scan TCP ports on any host and report open/closed status and response times via a pay-per-call x402 micropayment API.

Analyzes password strength with entropy calculation and crack time estimation. Supports pay-per-call payments via x402 (USDC on Base L2) without requiring API keys or signup.

53 security & enrichment MCP tools for AI agents. Contract scanning, threat intel, OSINT, crypto data, DNS/WAF recon. Pay-per-call via HTTP 402 + USDC on Base mainnet. No API keys. First call free.