"Design Resources and Prototyping Best Practices" matching MCP servers:

Credit and payments for AI agent developers — over MCP. No crypto required

Enables AI assistants to build PayRetailers cross-border payment integrations accurately by providing official documentation, endpoint specs, country-specific payload validation, webhook guidance, and integration prompts as MCP resources, tools, and prompts.

MCP server for real FDM 3D-printing slicing, quoting, and design-for-manufacturability analysis via the FabTally API, supporting 12 printer profiles and 12 materials. Includes free discovery/printability tools and paid slice/quote/orientation tools settled via x402 (USDC on Base).

MCP server exposing a fictional payment domain as tools, resources, and prompts, enabling reasoning over transactions, payment hubs, services, and system health.

AI-powered invoice automation. Create PDF invoices, predict late payment risk 0-100, auto-send reminders, reconcile Stripe/PayPal payments, track cash flow. 10 MCP tools, 4 resources.

A local MCP server providing payment validation tools and resources, including card number Luhn checks, card network detection, and IBAN validation, with no network calls required.

An MCP server that provides a standardized interface for AI assistants to interact with TropiPay's payment platform, enabling account management, transactions, beneficiary management, and payment link creation through tools and resources.

A production-ready MCP server with 24 tools for Stripe, Twilio, Resend, GitHub, and Slack, plus pre-built workflow prompts and live resources.

Enables API documentation lookup and live API tools for managing Upmind platform resources like brands, products, clients, invoices, and tickets through natural language.

Enables AI agents to interact with the Meridian business-services platform, exposing services, service requests, workflow steps, payments, and meetings as MCP tools and resources.

A Model Context Protocol server that exposes the Up Banking API to LLM clients, providing 19 tools and 2 resources for accounts, transactions, categories, tags, attachments, and webhooks.

Enables managing REG.RU domain names, DNS zones and records, services, billing, DNSSEC, and account folders through REG.API 2.0 over the Model Context Protocol. Provides tools, resources, and prompts for domain availability checks, DNS record edits, renewals, balance and invoice lookups, plus workflows like expiring-service audits and VPS domain configuration.

Enables Claude to read UK bank account data—balances, transactions, cards, standing orders, direct debits, and identity—through TrueLayer's Data API, with local caching and optional live refreshes. It is read-only by design, requiring consent and never moving money.

Enables AI agents to manage MONA Cloud resources such as VPS and databases, use a shared VND wallet, integrate MONA Pay payments, and send transactional email via MONA Mail, all through natural language in MCP-compatible clients.

A Model Context Protocol server that enables interaction with the Ryft API to manage financial resources such as payment sessions, customers, and subscriptions. It supports comprehensive operations including payouts, disputes, and account-scoped requests through a secure stdio interface.

Official hosted MCP server for Whop, enabling AI clients to manage Whop businesses and resources via OAuth with prepare-and-confirm safeguards.

Enables creating non-custodial payment drafts and pay links for BTC, USDC, USDT, and EURC, with signing and broadcast remaining in the user's wallet.

Enables AI clients to read and modify Settle Up group finances — listing groups, checking who owes whom, searching transactions, and recording, editing or deleting shared expenses and debt-settling transfers. Authenticates with Settle Up email and password credentials, with group and member creation optionally unlocked by an extra environment flag.

Enables invoice management through MCP, including customer, invoice, and report operations with CLI and web interfaces.

Enables AI agents to pay for protected HTTP resources using Stellar USDC via the x402 protocol, facilitating automated payments and access to paid APIs.