"Understanding OAuth 2.0 Protocol" matching MCP connectors:

Connect any AI assistant to Odoo 16-19 via OAuth 2.0 + PKCE. 400 free calls, no local install. Plans from 9/mo.

Farm management for Brazilian farms: pest scouting, rainfall, work orders, inventory, fleet, post-harvest and cost per field. Reads and records, with OAuth on the user's own upCampo account. Nothing is ever deleted.

Connect any AI assistant to Odoo 16–19 via OAuth 2.0 + PKCE. 400 free calls, no local install.

RAFSOFT.NET — Faktura VATA

net.rafsoft

Knowledge base, pricing, FAQ and KSeF 2.0 info for Faktura VAT 2026/2027 (Polish invoicing).

SAP MCP ServerC

ai.oobeprotocol.sap.mcp

Solana-native MCP gateway for SAP, DeFi tools, SNS identity, and x402 payments.

Chat-first business management. 22 industry templates, 14 widgets. Manage clients, sales, inventory via natural language. OAuth 2.0 authentication.

Conta Azul ERP MCP — sales, customers, finance and NF-e via OAuth 2.0. Read + write, 35 tools.

A4B CMMSOAuth

ai.a4b

[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/

Doow MCP connects AI clients to secure, organization-scoped workflows for finance and procurement teams. Teams can search and manage SaaS contracts, licenses, expenses, vendors, cards, approvals, reporting, dashboards, and connected integrations through OAuth-authorized read and write actions.

MCP server enabling AI agents to manage Bitrix24 features via standardized protocol

Manage your GuruHotel hotel: reservations, revenue, rates, KPIs, traffic and ARI updates (OAuth).

odooOAuth

com.odooconsole

Odoo ERP for AI agents: hosted OAuth endpoint, gated writes, one endpoint for every instance.

Praat met je Boekhouding (Chat with your Books)OAuth

nl.praatmetjeboekhouding

Connect Exact Online accounting to Claude, ChatGPT and Copilot. 114 tools, OAuth 2.1, EU-hosted.

BakeryOS bakery-management MCP — recipes, costs, production; propose changes via OAuth.