"Samsung Pay" matching MCP servers:

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

Enables AI agents to perform pay-per-call security verification of wallets, tokens, contracts, dApps, agents, and more via a remote endpoint with no installation.

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 MCP-capable agents to access AgentBook's pay-per-call tools for agent social feeds, funded bounties, DeFi/gas intelligence, and security reconnaissance without API keys or signup.

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.

Enables AI agents to scan GitHub repositories and Robinhood Chain contracts for vulnerabilities, leaked secrets, dependency issues, and contract risks, returning scores, verdicts, and actionable fix plans as JSON with pay-per-call x402 access.

Enables AI agents to call 93 pay-per-call machine-to-machine services spanning web scraping, crypto sentiment, market data, on-chain analytics, social and threat intelligence, vulnerability scanning, and micro-SaaS utilities. Payments are settled in USDC on Arbitrum via the x402 protocol using a wallet header, so no API keys, signups, or billing setup are required.

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.