"Understanding the Purpose of Research" matching MCP connectors:

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

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.

Feed of x402/L402 services newly listed on 402index.io within a recency window (candidate #8, manual

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

Processor fees, charge-to-net, invoice totals and proration. 3 of 6 tools free.

Find the repo to build from: search 100k+ repos by base-fitness, clone free or buy over x402.

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

Issue registered Brazilian bank slips (boleto) and Pix charges on PagHiper with the official API. Cr

Payments and pricing math sellers do weekly, computed deterministically over MCP: processor_fees breaks down payment costs with editable presets, charge_to_net answers what to charge to net a target amount, invoice_total validates and totals line items, with discount_stack, proration, and installment_plan in the premium tier.

Payments and billing on Stripe with the full official REST API (api.stripe.com), covers the entire d

Transportation fiscal-document issuer from Bsoft by nstech (HiveCloud). Query CT-e (freight bill of

Anthropic organization usage and cost reporting through an admin API key connected by the user.

Non-custodial USDC checkout on Solana for AI agents and humans. Six tools inspect a public checkout, prepare one-time or recurring payments under a hard USDC ceiling, and read payment or subscription status, always returning unsigned transactions for the caller's own wallet to sign so Rendben never holds funds or keys.

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.

Discover and purchase four Base Sepolia test-USDC services through the public Wever Pay MCP.

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

Looks up the full data of an electronic invoice (NFe) from the access key. Platform-hosted, no crede

Digital Manager Guru checkout and sales-management platform for digital products via the official AP

Securely creates and transfers users to MyWage through the documented partner workflow.