"Exploring RAG through defined workspaces" matching MCP connectors:

Free hosted MCP server that connects ChatGPT and Claude (claude.ai, Claude Code) to multiple Gmail, Google Calendar, Google Drive (read-only) and Google Contacts accounts, Slack workspaces and Notion through one connection URL. Search, read and act across every connected account at once, with a memory shared across your AI assistants. OAuth sign-in. Outlook / Microsoft 365 are not supported.

AI-powered virtual assistant that connects to Gmail, Outlook, Slack, Salesforce, HubSpot, Google Calendar, DocuSign, QuickBooks, and 20+ other services. Manage your entire professional life through a single Claude conversation — email, calendar, CRM, documents, travel, expenses, and more.

Kasar CRM's remote MCP server connects Claude, ChatGPT, Cursor and Claude Code to your CRM over OAuth 2.1. 39 tools: search and update contacts, companies and deals, move deals through pipelines, manage tasks and notes, read activity history, email, LinkedIn and WhatsApp threads, check the calendar and meeting transcripts, build dashboards, automations and email sequences. Messages and deletions go through a preview-then-confirm step.

Keep your household on the same page with ComingUp Today. Built for families and caregivers managing busy schedules, ComingUp brings calendars, lists, notes, contacts, and recipes together. Connect your AI assistant to see what’s coming up, add groceries, find household information, save recipes, and create or update ComingUp events—all through conversation. Connect securely with OAuth and choose the permissions you grant. Connected external calendars remain read-only.