"Files formatted in JSON" matching MCP connectors:

Wholesale BOM pricer: send a parts list, get a priced line-by-line quote by email in minutes.

Xero (Accounting) MCP Pack

QuickBooks MCP Pack — query customers, invoices, and accounts via QuickBooks Online API.

Odoo MCP Pack — ERP/CRM via Odoo's external JSON-RPC API.

BambooHR MCP Pack — wraps the BambooHR API v1

[A4B](https://a4b.ai/) is a flat-rate CMMS (asset & maintenance management) that ships a native MCP server — an integration still uncommon in the CMMS category. AI assistants like Claude and ChatGPT can query asset inventory, create and update assets and maintenance tasks, search history, and generate reports. Secured with OAuth sign-in, audit logging, and per-organization isolation. Docs: https://docs.a4b.ai/mcp/

Documents in, reconciled double-entry books out. Statements, invoices, receipts, matched and posted.

AI-native ERP MCP: ES/EU fiscal compliance (VeriFactu/TicketBAI/Facturae), invoicing, tax, banking

AI for Tally Prime and Tally ERP 9. Hosted MCP server to ask your accounts in any language.