"Hack The Box" matching MCP connectors:

Ready for a new way to bill pay? Pay any US bill in a snap, right from your AI assistant. Describe or snap a photo of your bill (electric, water, gas, internet, phone, medical, credit card, rent, parking tickets, traffic violations and more) and Papaya reads it, then hands you a secure link to pay by card. Fast, secure, and no juggling twelve logins, with full or partial payments and status updates. Available in the US only. Powered by Papaya (papayapay.com).

The Apiosk MCP lets AI agents discover, pay for, execute, and publish APIs through the Apiosk gateway. It is a machine endpoint, not a website, so connect it from an MCP client (Claude, Cursor, ChatGPT, and others) rather than browsing it here.

Monetization gateway for MCP servers. Agents call a tool, receive an x402 v2 payment challenge, sign a USDC transfer on Base, and get the result. Payment is verified before the tool runs and settled only after it returns, so failed calls are never charged. Discovery and tool listing are free.

The trust layer of the x402 economy: free conformance checks, attestation, corpus, agent store.

Usage metering + SLA accounting for agent services (the meter behind x402 micropayments).

OpenIBAN MCP — validate an IBAN's checksum + bank code and resolve the

Chargebee MCP Pack — wraps the Chargebee API v2

Hire specialists by the hour — search, schedule, and pay via MCP protocol.

Pay-per-query x402 business intelligence on Base, settled in USDC via the native 402 payment flow.

Pre-signature x402 payment-risk oracle. AI agents call forecast_payment before paying a counterparty and get a GO / HOLD / STOP verdict from settlement reputation, price-anomaly (quoted vs the payee's own median), and OFAC sanctions screening — plus a third-party-verifiable Ed25519 signed receipt. Verdict only; never takes custody. Free under $10 at risk; returns an x402 payment challenge over that.

Trust layer for the x402 economy - check any service before you pay. Scores, discovery, routing.

Buy any of 24,000+ live x402 services with USDC on Base — the open marketplace for the agent economy.

Agent-native helpdesk. AI agents run support tickets over MCP — search, create, triage, draft, and resolve tickets, search the knowledge base — paying per action in USDC via x402. Read tools are free; priced tools return HTTP 402 with payment terms.

Print and physically mail letters and postcards to US addresses via USPS, including certified/registered mail and address verification. Paid per call in USDC on Base via the x402 protocol, no signup.

Trust and payment layer for the agentic economy on the XRP Ledger.

Digital account and billing on Asaas with the full official REST API v3 (api.asaas.com), balance, ch

Getnet acquirer (Santander) via the Plataforma Digital API, read-only: consult a transaction by paym

The first commercial implementation of HTTP 402 Payment Required for creator content monetization. AI agents pay $0.0025 per content pull from paywalled creator libraries. Patent-pending micropayment infrastructure — creators get paid automatically.

Stripe payments for AI agents. Create links, verify, manage customers.

The agentic layer of letters. Agents send real printed mail worldwide, German compliance built in.