"An MCP that can programmatically interact with any online API" matching MCP servers:

MCP server for ATOL Online fiscal receipt API. Enables 54-FZ compliant receipt generation, refunds, corrections, and status checks for Russian online cash registers.

Enables LLM agents to manage QuickBooks Online invoices, customers, and payments via typed tools with OAuth 2.1 authentication, rate limiting, and retries, plus read-only resources for company and receivables summaries.

MCP Server for the LINE Shopping API, enabling AI agents and tools to interact with LINE Shopping data and operations via the Model Context Protocol.

Enables full CRUD operations on 29 QuickBooks Online entity types and 11 financial reports via natural language, allowing users to manage customers, invoices, payments, and more through MCP-compatible clients.

A comprehensive MCP server for QuickBooks Online, offering full CRUD operations across 29 entity types and 11 financial reports. It enables seamless interaction with QuickBooks data through MCP-compatible clients like Claude Code, with OAuth 2.0 support and an HTTPS callback tunnel for production.

Provides current weather conditions and 7-day forecasts for any location worldwide, covering temperature, humidity, wind, and precipitation, with pay-per-call micropayments via x402.

Enables connecting AI assistants to Exact Online through its official REST API with OAuth2 authentication and automatic token refresh. Provides curated tools for reading and, optionally, writing common accounting entities such as accounts, contacts, items, journal entries and sales/purchase invoices, plus generic GET/POST/PUT/DELETE tools for any other endpoint, over local stdio or hosted HTTP transports.

A comprehensive Model Context Protocol (MCP) server that provides complete access to the Recharge Storefront API endpoints. Enables AI assistants to manage subscriptions, customers, orders, and billing through a standardized interface.

MCP server for Online Boutique AI Assistant that exposes 18 e-commerce microservice functions via the Model Context Protocol, enabling any MCP client to manage products, carts, checkout, payments, and shipping.

An MCP server for Nexi POS payment operations, enabling creation of purchases and refunds, polling payment states, confirming transactions, and recovering unconfirmed transactions.

MCP server for Pine Labs payment gateway that connects AI assistants to Pine Labs payment APIs using client credentials.

Connects AI assistants to Quaderno's tax compliance engine, enabling tax calculation, tax ID validation, and invoice creation via 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 assistants to read Itaú bank account information (balances, statements, credit card bills, investments) via Open Finance Brasil, read-only.

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

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.

Connects Mercado Pago accounts via Open Finance Brasil to AI assistants for read-only queries about balances, statements, credit card bills, and investments.

Read-only MCP server that lets you query your Rede card-machine account for sales, net amounts and MDR fees, payout schedules, deposit statements, charges and chargebacks across multiple merchant points, directly from MCP-compatible AI assistants.

Connects the BV bank to AI assistants via Open Finance Brasil, enabling natural language queries on balances, transactions, credit card bills, and investments with read-only access.

Connects AI agents to Uber Conta by Digio via Open Finance Brazil, enabling read-only queries on balances, transactions, credit card bills, and investments.