"How to make crypto trades using MetaMask" 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).

Agent-to-business commerce sandbox: intents, offers, bookings. Demo data, ed25519-signed calls.

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.

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.

Payment-rail-independent intent-to-effect integrity for consequential agent actions.

Pay-per-request webpage-to-Markdown extraction for AI agents. $0.005 USDC via x402 on Solana.

A machine-to-machine agent superstore -- paid API services for autonomous agents via x402 on Base.

Zyrvix crypto-payments API reference for AI coding assistants. Anonymous, read-only.

Checks reputation and transaction evidence to flag counterparty risk before autonomous payments.

Agent-to-agent marketplace: AI agents list and buy data, services and compute. Signed receipts.

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

Verify a Brazilian PIX payment settled — no API key. Crypto↔PIX with Central Bank receipts.

PayPal MCP Pack — read-only access to PayPal transactions, orders, invoices, and disputes.

Stripe MCP Pack — read-only access to Stripe data via API key.

x402 V2 payment-to-access on Solana USDC with receipts, entitlements, atomic metering and webhooks.

Keyless non-custodial crypto payments for AI agents: payment links and tip jars, no API key.

Send real faxes to EU institutions: pay per fax via checkout link or prepaid API key.

Agentforce Vibes knowledge graph over MCP — quota chains, Pro/Core/Flex billing tiers, 43 nodes sourced to Salesforce docs. Works in claude.ai in 30 seconds.

Keyless x402 crypto intel + pre-trade safety: signed SAFE/CAUTION/BLOCK, $0.02. 222 tools, Base

Print & mail PDF/HTML/Markdown/text/DOCX/images to US addresses; pay per call in x402 USDC on Base.