"Understanding Server-Sent Events (SSE)" matching MCP connectors:

ManaBuy MCP Server is a stdio-based Model Context Protocol server for integrating ManaBuy product and order APIs with MCP clients. It exposes tools for product search, product detail retrieval, SKU and order-field inspection, order quotation, authenticated order creation, order status lookup, and order detail retrieval, with explicit confirmation required before any order-creation workflow.

Discover and call pay-per-request (x402) APIs, ranked by reliability, latency and price.

Viridis Verified: wrap any MCP server with tamper-evident delivery receipts + metered fees.

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

Solana-native MCP gateway for SAP, DeFi tools, SNS identity, and x402 payments.

Scheduling, availability, clients, billing and CRM for appointment-based services.

AI news, model pricing, service status, and machine-payable premium tools. AFTA-certified.

Agent-commerce MCP server for x402/USDC payments and affiliate splits on Base.

Curated audio-news MCP server. Search trending articles, fetch narrated audio, subscribe topic feeds. OAuth 2.1 + RFC 7591 DCR. Free tier; premium briefings via x402 with stablecoin settlement.

Discover and pay for APIs with USDC credits. No wallet, no gas, MCP-native marketplace.

Live financial data MCP: FX, crypto, stocks, news, URL reader. x402 on Base: $0.001/call.

World's first independent FX audit MCP. Detects hidden bank fees in 30 seconds.

Model Context Protocol server for todo.vu task management and time tracking.

Official MCP server for Fakturoid — Czech invoicing for freelancers and small businesses. Issue invoices, check overdue receivables, manage contacts, expenses and bank accounts directly from your AI assistant.

Official Dodo Payments MCP server for live payments, subscriptions, customers, products, refunds, license keys, and usage-based billing (browser OAuth)

MCP server for Lemon Squeezy — stores, products, orders, subscriptions, license keys.

MCP server for Recurly — accounts, subscriptions, invoices, plans; cancel & pause subs.

MCP server for Quaderno — tax-rate calculation, invoices, contacts, products, receipts & expenses.

MCP server for Autumn — read customers, plans, balances & invoices; track usage and attach plans.

Query GoCardless: customers, mandates, payments, subscriptions, payouts, refunds, events.