Sema

Render markdown into email-safe HTML, lint drafts for deliverability problems, and preview emails.

MCP server for Gmail with OAuth2 (personal) and service account (Workspace) support.

MCP server for Google Calendar integration with service account support and domain-wide delegation.

MCP server for Google Docs integration with OAuth2 and service account support.

LMCP

local-mcp

Mac & Windows: let ChatGPT, Claude & Cursor use your email, calendar, iMessage, Teams, files.

Mailtrap

mailtrap

Official MCP Server for Mailtrap