"LINE" matching MCP servers:

• Newsletter Growth MCP

  closermethod

  A

  license

  -

  quality

  C

  maintenance

  Provides tools for newsletter growth loops, welcome sequences, subject line audits, list metric interpretation, and monetization readiness based on engagement.

  Last updated 2026-07-14

  107

  MIT

• ldm-email-deliverability

  live-direct-marketing

  A

  license

  A

  quality

  D

  maintenance

  Programmatic email deliverability testing for AI agents. Create inbox placement tests across Gmail, Outlook, Yahoo, Mail.ru, Yandex — get per-provider placement (Inbox/Spam/Promotions), SPF/DKIM/DMARC auth, Rspamd & SpamAssassin verdicts, DNS health (MX, PTR, DNSBL), and live SSE results.

  Last updated 2026-04-23

  5

  62

  1

  MIT

• mcp-outlook-lite

  w21180239

  A

  license

  -

  quality

  D

  maintenance

  Lightweight MCP server that enables AI agents to manage Microsoft Outlook email, calendar, and files using PKCE authentication with only a Client ID.

  Last updated 2026-03-18

  MIT

• lite-google-workspace-mcp

  WhymustIhaveaname

  F

  license

  -

  quality

  B

  maintenance

  Lightweight MCP server for Gmail and Google Calendar, enabling email and calendar management via natural language with per-account processes.

  Last updated 2026-07-01

• Newsletter Tools

  josephtandle

  F

  license

  -

  quality

  D

  maintenance

  A utility MCP server providing 10 specialized tools for newsletter content preparation and optimization, including subject line generation, HTML-to-text extraction, read time estimation, and email validation. Enables newsletter operators, developers, and content teams to automate pre-send workflows and audit newsletter issues through natural language interactions.

  Last updated 2026-04-03