"Apple 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.

Enables security scanning of source code and Apple configuration files, providing evidence-based findings, explanations, remediation plans, threat modeling, and knowledge base access through MCP tools.

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 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.