POPULARITY RANK 01
MailDev MCP
OFFICIAL SERVERSearch, read and clear the test inbox of a local MailDev SMTP server from an MCP client
6.2kGitHub stars
8.3k/wknpm downloads
92popularity score
Communication MCP servers
MCP servers for messages: chat apps, email and SMS, read and send from an assistant.
36 servers, page 1 of 2.
Search capabilities in this directory
POPULARITY RANK 02
Google Workspace MCP Server
Gmail, Drive, Calendar, Docs, Sheets and nine more Google Workspace services from one MCP server
3.5kGitHub stars
290k/moPyPI downloads
91popularity score
POPULARITY RANK 03
SnowLuma MCP
Browse SnowLuma's OneBot v11 action reference for QQ bots, and optionally call those actions
3.8kGitHub stars
51k/wknpm downloads
85popularity score
POPULARITY RANK 04
Slack MCP Server
Read, search and post in a Slack workspace, including DMs, threads, unreads and user groups
1.9kGitHub stars
54k/wknpm downloads
84popularity score
POPULARITY RANK 05
Microsoft 365 MCP Server
Reads and changes Outlook mail, calendars, OneDrive, Teams, SharePoint and more through Microsoft Graph
1.1kGitHub stars
52k/wknpm downloads
84popularity score
POPULARITY RANK 06
Work IQ
OFFICIAL SERVERMicrosoft's own MCP server for querying and changing Microsoft 365 mail, meetings, files and Teams
1.1kGitHub stars
11k/wknpm downloads
84popularity score
POPULARITY RANK 07
OpenConnector
Self-hosted auth gateway that runs prebuilt Actions across 1,000+ SaaS apps over MCP
6.2kGitHub stars
2.4k/wknpm downloads
83popularity score
POPULARITY RANK 08
LINE Bot MCP Server
OFFICIAL SERVERConnects an AI agent to a LINE Official Account to send messages and manage rich menus
797GitHub stars
2.6k/wknpm downloads
76popularity score
POPULARITY RANK 09
Commonly MCP Server
OFFICIAL SERVERConnects a coding agent to a Commonly pod to chat, take on tasks and keep memory there
1.4kGitHub stars
4.9k/wknpm downloads
75popularity score
POPULARITY RANK 10
Reddit MCP Buddy
Reddit access for assistants: subreddit listings, search, threads, user histories and opt-in posting
886GitHub stars
4.1k/wknpm downloads
72popularity score
POPULARITY RANK 11
Agent Swarm
OFFICIAL SERVERSelf-hosted multi-agent orchestration API whose MCP endpoint hands tasks, memory and schedules to agents
1.0kGitHub stars
3.2k/wknpm downloads
72popularity score
POPULARITY RANK 12
Discourse MCP
OFFICIAL SERVERRead, search and, when allowed, post to and administer a Discourse forum over MCP
79GitHub stars
26k/wknpm downloads
69popularity score
POPULARITY RANK 13
emailmd
OFFICIAL SERVERTurn markdown into email-safe HTML, check drafts for deliverability issues and get a preview link
1.4kGitHub stars
5.3k/wknpm downloads
68popularity score
POPULARITY RANK 14
Reddit MCP Server
Read Reddit keyless or with your own app, and post, reply, edit and delete with a login
322GitHub stars
3.8k/wknpm downloads
67popularity score
POPULARITY RANK 15
mcp-email-server
Read, search, file and send mail on any IMAP and SMTP account from an MCP client
378GitHub stars
14k/moPyPI downloads
67popularity score
POPULARITY RANK 16
Agent Network
Self-hosted hub where coding agents on several machines find each other and hand off tasks over MCP
115GitHub stars
15k/wknpm downloads
66popularity score
POPULARITY RANK 17
XActions
Read, post and engage on X/Twitter with your own session cookie, without an X API key
644GitHub stars
412/wknpm downloads
64popularity score
POPULARITY RANK 18
Apple Mail MCP Server
Read, search, send and organise mail in the macOS Mail app from an MCP client
107GitHub stars
6.7k/wknpm downloads
62popularity score
POPULARITY RANK 19
xiaohongshu-mcp
Publish to Xiaohongshu (RedNote) from your own account, plus search, read, comment, like and notifications.
17kGitHub stars
61popularity score
POPULARITY RANK 20
yutu
YouTube channel management over the YouTube Data API: uploads, comments, playlists, live streams
715GitHub stars
179/wknpm downloads
59popularity score
POPULARITY RANK 21
Plunk MCP server
OFFICIAL SERVERSend email and manage contacts, campaigns, segments and workflows in a Plunk project
5.6kGitHub stars
1.4k/wknpm downloads
58popularity score
POPULARITY RANK 22
Pipedream MCP
OFFICIAL SERVERHosted MCP access to the actions of Pipedream's 3,000+ app integrations, with Pipedream handling sign-in
12kGitHub stars
57popularity score
POPULARITY RANK 23
Google Workspace MCP Server
Gmail, Calendar, Drive, Docs, Sheets, Tasks, Meet and Contacts across several Google accounts
194GitHub stars
1.2k/wknpm downloads
55popularity score
POPULARITY RANK 24
L Harness MCP Server
Run a self-hosted L Harness LINE Official Account CRM from an MCP client: friends, tags, scenarios, broadcasts
615GitHub stars
325/wknpm downloads
46popularity score
POPULARITY RANK 25
Customer.io MCP
OFFICIAL SERVERHosted MCP server from Customer.io for working with its Journeys and Data Pipelines APIs
40popularity score
POPULARITY RANK 26
Goshen Email MCP server
OFFICIAL SERVERGives an assistant its own email inbox to send, receive, search and reply to mail in threads.
182GitHub stars
40popularity score
POPULARITY RANK 27
Knock MCP Server
OFFICIAL SERVERKnock's hosted MCP server for building workflows and managing notification data in a Knock account
40popularity score
POPULARITY RANK 28
OneSignal MCP Server
OFFICIAL SERVEROneSignal's hosted MCP endpoint for push, email and SMS messaging, users, segments and exports
40popularity score
POPULARITY RANK 29
Summer
OFFICIAL SERVERHosted connector for a Summer Games player account: friends, messages, parties and invites
40popularity score
POPULARITY RANK 30
Work IQ Calendar MCP Server
OFFICIAL SERVERMicrosoft-hosted MCP endpoint for Outlook calendar events, meeting invites and free/busy lookups
40popularity score