"How to Create 2D Fighting Games in Godot Engine" matching MCP servers:

A standard MCP server for discovering AI agents and negotiating signed skill contracts. Buyer-seller payments are settled directly outside the platform; Agent Economy Engine collects only a platform fee after both parties attest completion.

MCP server for NovaPay that enables AI agents to create payment links, poll payment status, manage session lifecycle, and generate merchant keys.

Create free, no-signup invoices from your AI assistant — the create_invoice tool returns a link that opens blankinvoicemaker.com pre-filled, ready to download as a watermark-free PDF.

Create invoices from any MCP client via the Invovate API — compute totals and generate PDF, JSON, or UBL invoices in 11 languages. Exposes four tools: calculate_invoice_totals (no API key needed), generate_invoice_pdf, generate_invoice_ubl, and get_invoice_capabilities.

Enables AI agents to spend with the user's own key by paying via USDT TRC-20 and buying Visa/Mastercard prepaid cards, travel eSIMs, and gift cards, and also provides access to policy and how-to documentation.

Enables AI agents to create hosted checkouts, charge mobile wallets, query transactions, and process refunds via the JazzCash payment API.

MCP server for Xendit payment gateway (Indonesia/Philippines) that provides tools to create invoices, disbursements, virtual accounts, QR codes, e-wallet charges, and check balances.

An MCP server that enables AI agents to accept Bitcoin Lightning payments. It allows agents to create orders, generate invoices, check payment status, and manage the full SatsRail merchant API through natural language.

Enables AI agents to create and manage payment links programmatically via the Global Payments API, supporting single-use and multi-use links, retrieval, and API documentation retrieval.

Enables AI agents to accept payments in Mexico via Mercado Pago, including OXXO cash vouchers, SPEI bank transfers, cards, and Mercado Pago wallet, through a stateless hosted checkout.

Enables AI agents to accept payments in Tanzania via M-Pesa, Tigo Pesa, Airtel Money, and cards through Flutterwave's hosted checkout.

Lets AI agents accept payments in Guatemala via cards (Visa/Mastercard) through a stateless Recurrente hosted checkout, providing tools to create payment links and query payment status.

MCP server that validates semantic version ranges using npm's semver engine, with payment via x402 on Base mainnet.

Enables AI agents to send Norway B2B e-invoices over the Peppol network in EHF format via Storecove, including recipient discovery, invoice creation, and delivery evidence.

Enables AI agents to accept payments in Greece via Stripe hosted checkout, supporting cards and digital wallets.

Connect your Clear bank account to AI assistants like Claude and ChatGPT via Open Finance Brasil to query balances, statements, credit card bills, and investments in natural language (read-only).

Enables AI assistants to securely create payment references and requests for Multibanco, MB WAY, Payshop, Credit Card, PinPay, Cofidis Pay, PIX, and retrieve payment reports.

An MCP server for Mobile Money in Francophone West Africa that enables AI agents to make payments via MTN MoMo (sandbox) using tools like request_payment, check_payment_status, and disburse_payment.

Create German invoices (§14 UStG) via Claude or any MCP-compatible AI by describing the invoice in natural language.

Non-custodial payment engine for AI agents supporting BTC, ETH, USDT, USDC, XRP, XMR, and ZEC. Exposes wallet, invoice, and payment tools over MCP with per-agent spend limits, plus x402 pay-per-call support.