"An MCP to access OpenAI's RAG system via API" matching MCP servers:

Permite consultar contas da CPFL via link em fonte oficial, com uma ferramenta somente leitura.

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.

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.

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.

Read-only MCP server to query ANTT SIFAMA second-issue boletos from the official source. Hosted service with prepaid pay-per-use credits, works with any MCP client.

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

Connects AI assistants to Quaderno's tax compliance engine, enabling tax calculation, tax ID validation, and invoice creation via natural language.

Enables AI assistants to read Itaú bank account information (balances, statements, credit card bills, investments) via Open Finance Brasil, read-only.

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.

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.

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).

Connects PagBank accounts to AI assistants via Open Finance Brasil, enabling natural language queries about balances, statements, credit card bills, and investments. Read-only and regulated by the Central Bank.

MCP server for Stone's payment gateway, enabling AI agents to manage orders, charges, customers, subscriptions, and more via the Pagar.me API.

Enables read-only consultation of electronic service invoices (NFS-e) from São Paulo city hall via an official source, using a single tool and pay-per-use credits.

Connect your PicPay account to Claude, ChatGPT, and AI agents via Open Finance Brazil to query balances, statements, credit card bills, and investments in natural language. Read-only.

Connect your Íon account to Claude, ChatGPT, and AI agents via Open Finance Brasil to query balances, statements, credit card bills, and investments in natural language. Read-only and regulated by the Central Bank.

Enables issuing Brazilian bank slips (boleto) and Pix charges via PagHiper's official API, generating Pix copy-paste codes, QR Codes, boleto barcodes, checking payment status, canceling unpaid charges, listing transactions and bank accounts.

Provides read-only access to download and OCR 'Light' utility bills from the official source, enabling document retrieval and text extraction via natural language. It is a hosted MCP server with prepaid credits and works with any MCP client.