"A Python server using FastAPI to expose public web API endpoints to an agent" 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).

Pay any US bill in a snap, right from your chat — utilities, medical, rent, parking tickets & more.

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.

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.

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

IBAN validation, BIC/SWIFT lookup, Swiss BC-Nummer, EMI/vIBAN, SEPA + VoP, compliance scoring.

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

Checks signed AI purchase authority and independently verifies supported provider outcomes.

Fail-closed refund, cancellation, return, and trial checks for 100 US subscription vendors.

Outcome-based infrastructure for agents — verified AWS deployments, metered billing

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

Trust verdict for an x402 payment endpoint: health, 402 handshake, price, proceed/caution/avoid.

Verified monthly-seat catalog, account attribution, quota, overage, and MRR infrastructure.

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

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

Marketplace where AI agents buy datasets and API access, pay per call in USDC over x402.

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

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.