"Files formatted in JSON" matching MCP connectors:
Matching Connector Tools:
Teaches AI to write HTML email that renders in Outlook, Gmail, and Apple Mail. 19 rules, 6 comps.
Render HTML/.eml emails in real Gmail, Outlook & Yahoo web clients and screenshot them
Let ChatGPT, Claude & Cursor use your Mac: email, calendar, iMessage, Teams, files. Local, free.
Emailable MCP — wraps the Emailable email verification API (emailable.com)
send-that-email MCP — wraps StupidAPIs (requires X-API-Key)
could-have-been-email MCP — wraps StupidAPIs (requires X-API-Key)
Mailchimp MCP Pack — manage audiences, campaigns, and members via Mailchimp Marketing API.
Open-source MCP server that gives AI agents access to real email and calendar in one npm install. Solves the problem of AI agents hitting a wall when they need your inbox.
Heldly reads your Google Calendar directly, places tentative holds on every host's calendar, and emails the invitee a one-click picker. The moment the invitee picks, Heldly confirms the chosen slot and deletes the siblings across every host's calendar in the same request. No reusable booking page, no in-app form, no calendar cleanup.
Query Inbin's parsed email events (newsletters, invoices, alerts) as typed JSON tools.
Stateful email for AI agents — read inboxes, reply in-thread, draft with approval.
Receive inbound email as clean JSON — manage domains, routes, and webhooks. MailKite.
Email for agents: newsletters, subscribers, contacts, broadcasts. OAuth sign-in, no API key.