"Free tools or resources that do not require an API" matching MCP connectors:
Matching Connector Tools:
QuickBooks MCP Pack — query customers, invoices, and accounts via QuickBooks Online API.
Solana-native MCP gateway for SAP, DeFi tools, SNS identity, and x402 payments.
ConnectPlug (CPlug) POS and ERP for restaurants, food service and retail, with the full official RES
Conta Azul ERP MCP — sales, customers, finance and NF-e via OAuth 2.0. Read + write, 35 tools.
Financial & accounting management on Omie (Brazil's leading cloud ERP), payables/receivables, financ
Olist Tiny e-commerce ERP (formerly Tiny ERP) with the full official REST API v3, products, stock, o
Microvix retail ERP (Linx, part of the Stone group) for store chains and franchises, via the officia
Bling ERP (SMB and e-commerce management, by Locaweb) via the official v3 API, sales orders, product
Financial management on Procfy — transactions (revenue/expense/transfers), bank accounts, contacts,
Financial and accounting reconciliation on F360 Finanças (management for retail chains and franchise
ERP français avec serveur MCP natif : plus de 1 800 actions métier auto-générées via OpenAPI.
8 EU accounting (x402 USDC on Base): reconcile, VAT, invoicing. Free health.
Brazilian AI-powered accounting & tax automation: NFS-e invoicing, CBS/IBS tax reform, compliance.
Log, query, and edit expenses, budgets, and accounts in Ledgy from any MCP-compatible AI assistant.
Malaysian SME accounting, e-Invoice and payroll books for your AI. 37 tools — business snapshot, P&L, balance sheet, A/R and A/P aging, cash forecast, stock, tax position, document search — plus draft-only writes (invoice, quote, receipt, bill, expense, contact, bank statement import). Every write is a pending draft a human approves in Taokeh; it can never post, edit or delete. Remote Streamable HTTP at https://taokeh.my/mcp, OAuth 2.1 or a personal access token.
Malaysian SME accounting, e-Invoice and payroll for your AI. 37 tools; writes are approved drafts.
Headless API-first double-entry accounting & bookkeeping engine. 84 MCP tools over HTTP.
AEC subcontractor vendor procurement plumbing layer. Preview - V3 launches 2027.