"An introduction or resources related to MongoDB" matching MCP connectors:

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

Pay-per-action access to APIs and MCP tools over Lightning L402 and Base USDC x402.

Add pay-per-action access to APIs, MCP tools, automations, and digital resources using Bitcoin Lightning L402 or Base USDC x402. AIPP provides payment verification and direct-to-wallet settlement without subscriptions.

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).

Round cash totals to the nearest nickel correctly — after tax, on the total, cash only.

Read-only payment state for USDC on Base/Solana (Bridge, Circle): completed, failed, or delayed.

Verify x402 payment endpoints before an AI agent pays: scam scan, on-chain checks, trust scores.

RightCardA

ai.rightcard

Which of your credit cards to use at any store, from verified bank data. No bank login.

PIX payments for Brazil: verify a settlement with no API key, or sell USDT/USDC for BRL over PIX.

Pay-per-call APIs and MCP services for agents, no accounts or keys, with verifiable receipts.

Check what a paid x402 endpoint or MCP server delivered, from probes anyone can repeat.

Pay-per-use tool API for AI agents. Free tier, x402 USDC micropayments, or API key.

Paid advertising for agents: rankings, quotes and MPP or x402 wallet integrations.

Connect your 99Pay account to AI via Brazil's Open Finance: balances, statements, cards, investments

Inspect and validate an x402 endpoint before an autonomous agent spends USDC.

Connect your Uber Conta by Digio account to AI via Brazil's Open Finance: balances, statements, card

AmanChain: quantum-resistant x402 payments. Remote MCP, 50 paid services. USDC on Base or AMAN.

Connect your Bradescard account to AI via Brazil's Open Finance: balances, statements, cards, invest

Connect your Banrisul account to AI via Brazil's Open Finance: balances, statements, cards, investme

Connect your PagBank account to AI via Brazil's Open Finance: balances, statements, cards, investmen