"Samsung Pay" matching MCP servers:

Project Point One Percent - Agent Pay \[pop-pay] is a payment guardrail and one-time flow protocol specifically designed for Agentic AI (e.g., Claude Code, OpenClaw). It enables agents to handle financial transactions safely without risking unlimited exposure of human-controlled credit cards.

Per-byte data marketplace for AI agents on Arbitrum. Discover publishers, evaluate on-chain Proof-of-Quality Score (PQS), subscribe + pay per request in USDC via the x402 gateway. 13 tools, no API keys, live testnet.

Connects Claude Desktop to the Paylocity API to manage employee records, pay statements, and company headcount data through natural language. It includes automated data protection that redacts sensitive information like SSNs and bank account numbers before reaching the model.

security tools for AI agents: URL safety scanning, prompt injection detection (200+ patterns), email/password breach checks via HIBP, domain & IP reputation analysis, and AI skill supply chain scanning. Free tier (3 calls/day) or pay-per-request with USDC micropayments via x402.

Authentication, pay-per-call metering, and signed receipts for AI agents and MCP tools using Bitcoin and Lightning Network.

MCP server providing 124 tools for censorship intelligence, encrypted agent messaging, and Voidly Pay onboarding, enabling AI assistants to access real-time censorship data, risk forecasts, and agent-to-agent communication.

MCP server for Alderpost Intelligence API — 8 x402 endpoints bundling premium data sources (VirusTotal, People Data Labs, Hunter.io, AbuseIPDB, SSL Labs, NIH RxNorm) into scored intelligence responses. Pay per call via USDC on Base.

Headless document processing for AI agents. Invoice extraction, contract analysis, and Dutch business verification. Pay-per-use via X402 on Solana. No API keys needed.

A Python MCP server for SonarQube, enabling AI agents to query projects, issues, quality gates, coverage, and security hotspots.

23 pay-per-call web analysis APIs as MCP tools. Security audits, tech stack detection, email verification, SEO analysis, SSL checks, performance monitoring. Supports x402 and Stripe MPP payments.

Enables AI agents to use payment APIs safely by gating every tool call through deterministic mandates, value checks, and an exactly-once ledger, so they cannot pay twice or exceed authorisation.

MCP server for NetIntel, offering 64 network intelligence tools (DNS, SSL, WHOIS, email, OSINT, etc.) with pay-per-call via x402 on Base mainnet, no API keys needed.

Stop AI agents leaking your card or making hallucinated purchases. No SaaS, No login, Fully local. A runtime security layer that protects AI agents during online purchases. It sits between the agent and payment forms

MCP server providing comprehensive domain intelligence (WHOIS, DNS, SSL, domain age) for due diligence and security audits, with pay-per-call via x402 micropayments.

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.

Detect PII in text: emails, phones, SSNs, credit cards, IPs, addresses. Pay-per-call via x402 micropayments without API keys or signup.

29 pay-per-call DNS, SEO, SSL, security, and dev tools for AI agents. x402, no API key.

MCP server to validate Brazilian driver's licenses (CNH) via official SENATRAN source. Provides read-only, pay-per-query access to verify CNH status.

Cryptographic hash generator supporting MD5, SHA1, SHA256, SHA512, and bcrypt, with pay-per-call via x402 (USDC on Base L2) – no API key or signup required.

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.