"Understanding OAuth 2.0 Protocol" matching MCP connectors:
Matching Connector Tools:
Conta Azul ERP MCP — sales, customers, finance and NF-e via OAuth 2.0. Read + write, 35 tools.
Intercom MCP Pack — contacts, conversations, companies via OAuth.
Chat-first business management. 22 industry templates, 14 widgets. Manage clients, sales, inventory via natural language. OAuth 2.0 authentication.
Interactive proposal and pricing-table software for agencies and MSPs. Lets Claude, ChatGPT, or any MCP client create, edit, search, and manage proposals and build reports on your behalf — via scoped, single-org OAuth.
Manage clients, plans, sessions, habits, and billing on Trainzilla via one-click OAuth.
Send SMS, manage contacts and groups, and read delivery reports. OAuth 2.1 SureSMS login.
CClarity is a remote MCP server that exposes LinkedIn-aligned tenant data to AI assistants: profile and company context, ICP and writing style, post performance, profile viewers, outbound activity (reactions/comments), who engaged on your posts, connection invitations (in/out), and followers. Setup: install the stdio bridge with npx -y @cclarity-packages/mcp (see Server Config) pointed at https://api.cclarity.io. Auth: OAuth 2.1 via the CClarity app; access: an active paid subscription and a con
AI-native CRM with 33 tools. Pipeline, leads, deals, Stripe sync. OAuth 2.1. Free tier.
OracleNet Deal Discovery Protocol — permissioned commercial matching for MCP/A2A agents.