"A tool for generating draw.io flowcharts from codebase analysis" matching MCP servers:

• MCP Server for Multiple

  uaixo

  A

  license

  A

  quality

  B

  maintenance

  Enables AI assistants to manage multiple Outlook/Microsoft 365 mailboxes simultaneously through MCP tools, with local OAuth token storage.

  Last updated 2026-06-26

  1

  MIT

• Generic MCP Server for Google

  Santhosh-A-Git

  A

  license

  -

  quality

  B

  maintenance

  Enables AI agents to send emails, create drafts in Gmail, and append content to Google Docs via standardized MCP tools.

  Last updated 2026-07-12

  57

  ISC

• SandMail — Disposable Email

  brobin002

  A

  license

  A

  quality

  D

  maintenance

  Create disposable email inboxes, extract OTP codes in 15 languages, and receive webhooks — all from your AI agent. One call: create inbox → wait for email → get the verification code. Supports 7 domains, email forwarding, and HMAC-signed webhooks with OTP included in payload. Free tier available.

  Last updated 2026-04-16

  8

  2

  MIT

• tutamcp MCP Server for Tuta

  peix2

  A

  license

  -

  quality

  B

  maintenance

  MCP server giving Claude access to Tuta mail, calendar, contacts and drive. Supports mail modes (dedicated/shared/folder), trusted sender filtering with E2E verification, and Docker-based setup.

  Last updated 2026-06-23

  AGPL 3.0

• MCP Server for Gmail & Google

  tkvp023

  F

  license

  -

  quality

  B

  maintenance

  Enables sending and drafting emails via Gmail and appending content to Google Docs through natural language commands.

  Last updated 2026-07-09

• Google MCP Server

  kapilnankani90

  F

  license

  -

  quality

  C

  maintenance

  Integrates with Google Docs and Gmail to append content to documents and create email drafts, featuring a manual approval system.

  Last updated 2026-06-17

• dnsdoctor

  Baneado98

  A

  license

  A

  quality

  B

  maintenance

  An MCP server that checks SPF, DKIM, DMARC, and MX records for a domain, returning a health verdict and specific DNS fixes to improve email deliverability.

  Last updated 2026-06-23

  1

  MIT

• @deliveriq/mcp

  Davison-Francis

  A

  license

  A

  quality

  A

  maintenance

  Email-deliverability tools for AI agents — 12 MCP tools across email verification, DNSBL across 50 zones, SPF/DKIM/DMARC analysis, spam-trap scoring, domain intelligence, and email finder. Free tier with no credit card.

  Last updated 2026-05-02

  12

  87

  1

  MIT

• Emailens MCP

  emailens

  A

  license

  A

  quality

  C

  maintenance

  MCP server for email compatibility analysis. Analyze, preview, diff, and fix HTML emails across 15 email clients — plus capture real screenshots and create shareable links with an optional API key.

  Last updated 2026-07-18

  9

  85

  6

  MIT

• mail-macos-mcp

  Maxtechexplore

  A

  license

  A

  quality

  A

  maintenance

  Enables Claude to control the macOS Mail app for reading, searching, drafting, sending, and managing emails directly from Claude Desktop.

  Last updated 2026-06-30

  12

  MIT

• guerrillamail-mcp

  cv3inx

  A

  license

  A

  quality

  B

  maintenance

  MCP server for the Guerrilla Mail temporary/disposable email API. Spin up throwaway inboxes, poll for mail, and read messages from any MCP client.

  Last updated 2026-06-26

  6

  24

  1

  MIT

• mcp-server

  TJYOYO

  F

  license

  A

  quality

  B

  maintenance

  Minimal FastMCP server demo with example tools like generating leave request emails.

  Last updated 2026-05-21

  1

• substack-publisher-mcp

  Playerbs1

  A

  license

  A

  quality

  D

  maintenance

  A tool that connects to Substack's official Publisher API to access posts, newsletters, analytics, and subscribers, compatible with MCP clients like Claude and Cursor.

  Last updated 2026-06-16

  6

  3

  MIT

• resend-email-mcp

  helbertparanhos

  A

  license

  A

  quality

  B

  maintenance

  The most complete Resend MCP server — full coverage of the Resend API (emails, domains, contacts, broadcasts, templates, segments, topics, webhooks, logs) plus a unique debug/diagnostics layer no other Resend MCP offers: deliverability analysis, DNS troubleshooting, email lifecycle inspection, bounce explanation, and account auditing. Works with Claude Code, Cursor, Claude Desktop, and any other

  Last updated 2026-06-11

  75

  74

  1

  MIT

• GAM MCP Server

  undeadindustries

  F

  license

  A

  quality

  C

  maintenance

  Enables Google Workspace administration (Directory, Gmail, Drive, Sheets) via MCP using Domain-Wide Delegation for secure, schema-validated tool operations.

  Last updated 2026-07-08

  13

• Email MCP Server

  Rajath2000

  F

  license

  A

  quality

  C

  maintenance

  Enables AI assistants to read recent emails and fetch full email content from an IMAP inbox, allowing natural language queries about email summaries.

  Last updated 2026-06-21

  3

• apple-mail-readonly-mcp

  hzcsj

  A

  license

  A

  quality

  C

  maintenance

  A local MCP server for searching and reading downloaded Apple Mail data without changing mail state.

  Last updated 2026-07-10

  8

  MIT

• gmail-mcp-multi

  dmorrill

  A

  license

  A

  quality

  F

  maintenance

  A Gmail MCP server with native multi-account support, enabling management of multiple Gmail accounts from a single server instance.

  Last updated 2026-03-08

  7

  2

  MIT

• Claude-Read-Outlook

  Zacccck

  A

  license

  B

  quality

  C

  maintenance

  A MCP server for Claude that reads Outlook emails its attachments through the Microsoft Graph API.

  Last updated 2026-06-16

  6

  15

  MIT

• multi-google-calendar-gmail

  travisthetrashpanda

  A

  license

  B

  quality

  C

  maintenance

  Enables multi-account Gmail and Google Calendar access through MCP, allowing operations across multiple Google accounts with a single tool call.

  Last updated 2026-07-15

  11

  MIT