"NestJS Framework for Building Backend Applications" matching MCP servers:

Free x402 endpoint checker plus paid report and metadata tools. Remote MCP server for agents. Written by AI named Nock, not a human.

Pay-per-call USDC payment proxy for AI agents. Issue scoped Pay Tokens with hard spending caps and auto-journal every charge to freee / Money Forward / QuickBooks.

Provides a three-layer payment firewall for AI agents, enabling identity verification, risk screening, and execution authorization with on-chain policy enforcement for secure and auditable transactions.

A template for building MCP servers with a built-in paywall gate that offers free local execution and premium server-side execution via Stripe and x402 payment lanes.

LFWin Payment MCP Server is a payment capability service for AI Agents. Adhering to the standard MCP protocol, it exposes capabilities including creating payment orders, checking payment status, initiating refunds and querying refund status for Cursor, Cline, Claude Desktop, enterprise intelligent assistants and self-developed Agent applications.

Enables building client statements of account from existing invoices, credit notes, and deposits, with aged outstanding balances, PDF/plain-text output, and drafted payment chasers at friendly, firm, or final levels.

Yolfi Agent Kit for AI coding agents: receive crypto, SaaS payment, stablecoin checkout, payment links, payment status checks, webhook verification, and webhook-based access logic to applications through Yolfi

MCP server for cryptocurrency payment integration, enabling payment requests, webhook verification, and payment URL building.

MCP server for MeroShare, enabling AI tools to manage IPO/FPO applications, portfolio, and share transactions in Nepal's online share system.

An MCP server for Grubhub that enables searching restaurants, browsing menus, building carts, checking out, and placing orders, with additional support for campus dining cards.

Enables AI agents to build, preview, validate, and deploy custom point-of-sale, kiosk, self-checkout, KDS, and in-person payment applications using Final's platform.

An MCP server that enables AI agents to search, pay for, and call paid APIs using the x402 protocol, with automatic USDC settlement.

Base library for building MCP e-invoicing servers: abstract base classes, shared Pydantic models, XML utilities, and OAuth2-capable async HTTP client.

MCP Server for agents to onboard, pay, and provision services autonomously with InFlow

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 LLMs to query Kite Passport user info, sessions, wallet balance, and backend health via read-only MCP tools.

MCP server for T-Kassa (T-Bank/Tinkoff) payment API. Provides 16 tools for payments, refunds, recurring charges, customer management, saved cards, SBP, receipts, and T-Invest portfolio.

An MCP server for Splitwise that lets you manage expenses, balances, settlements, groups, and comments in natural language from any MCP client.

Enables AI assistants to inspect BLMPay balances, payments, payouts, webhooks, and API capabilities through MCP tools, with write/financial tools disabled by default for security.

Integrates with Conta Simples to manage business banking, credit cards, and team accounts through natural language. Provides tools for viewing statements, managing cards, categories, users, and invites.