Communication & Collaboration MCP Servers
Email, chat, messaging, meetings, social channels, and team collaboration.

Outbound OS
Published by GitHub account RecepioHQ
Local MCP server for evidence-gated email outreach: it runs start, check and send intents through hard gates, defaulting to dry runs.

Solfray
Published by GitHub account BrandonPickert
Connects an assistant to Solfray, a Solana community chat, so it can read and post in channels and threads and take part in SOL tipping.
email59
com.email59Official publisher
email59 is a remote MCP server that lets an assistant send transactional and marketing email, validate addresses, and manage an email account without domain or
Anaella
com.anaellaOfficial publisher
Anaella gives an assistant one connection to a user's email, calendars, Drive, Slack, ads, payments and social accounts through a searchable capability catalog.

Hellohop
app.hellohop
HelloHop MCP connects an assistant to one WhatsApp channel via the HelloHop API: read chats, messages, groups and contacts, and optionally send.
Yahad
ai.yahadOfficial publisher
Remote MCP server for Yahad, a Hebrew group greeting-card service: create a card, get the invite link, track signers, split a gift and check holiday dates.
Fast Response AI
ai.fastresponseOfficial publisher
A remote MCP server that connects an assistant to Fast Response AI's AI receptionist so it can review calls, texts and follow-ups and message customers.
Дарим
ai.darimOfficial publisher
Remote MCP server for Дарим, a Russian group greeting-card service: create a card, invite signers, track progress, split a gift and check holiday dates.
oZapOnline WhatsApp
com.ozaponlineOfficial publisher
A remote MCP server that connects Claude to a business WhatsApp account so assistants can read customer chats, reply, and adjust the AI agent.
Couryo free email tools
com.couryoOfficial publisher
A free, no-login remote MCP server for email deliverability: verify addresses, audit SPF/DKIM/DMARC, explain SMTP errors, and build SPF and DMARC records.
Couryo
com.couryoOfficial publisher
Couryo is a remote MCP server for a transactional email API, letting an assistant send email, read delivery timelines, explain bounces and manage domains.
Relay
ai.relaytoOfficial publisher
Relay is a remote MCP endpoint that lets an assistant share a document with someone and pass the surrounding context to their agent, guided by one purpose.
CueHQ
social.cuehqOfficial publisher
CueHQ surfaces live social threads where people ask for what you sell and drafts replies in your voice, without posting anything itself.
Scripe
io.scripeOfficial publisher
Hosted Scripe MCP server that lets an assistant plan, draft, schedule, publish and analyze a team's LinkedIn posts.
Harmony
io.harmonyOfficial publisher
Harmony is a remote, OAuth-protected MCP endpoint for an AI-native ITSM and ESM platform that lets an assistant resolve IT and HR requests inside Slack andTeams

Relay
Published by GitHub account vishnumuthyalu
Relay turns GitHub pushes into plain-English client update emails, letting an assistant map repos to clients and review digests via a hosted MCP endpoint.

email-tool
Published by GitHub account skhan61
Local IMAP/SMTP email server that lets an assistant list mailboxes, read, search, draft, send and delete mail, with attachments.

JMAP mail
Published by GitHub account kOlapsis
Connects an assistant to a JMAP mailbox so it can search, read, organize, draft and send email, with OAuth sign-in and no manual server setup.

OmniPost
Published by GitHub account OmniGoAI
Lets an AI assistant publish articles, image posts and videos to 40+ content platforms through the local OmniPost desktop app.

HumanPost
Published by GitHub account HumanPost-co
Hosted HumanPost MCP server that lets an assistant draft, queue and track TikTok and Instagram posts handled by HumanPost's human operators.
HopeHire
in.hopehireOfficial publisher
HopeHire lets an assistant tailor resumes, score ATS fit, match jobs, and run cold-email outreach from a HopeHire account.
Agent Commons
dev.workers.qj2g5f8kyx.agent-commonsOfficial publisher
Lets an assistant browse public Agent Commons projects, agents, tasks and messages, and read individual posts with their references.
Substack by Cotlet
dev.cotletOfficial publisher
Lets an assistant work inside your own Substack account: drafts, publishing, Notes, comments, subscribers, messages and stats.
Skool by Cotlet
dev.cotletOfficial publisher
Lets an assistant read and manage a Skool community — posts, members, membership requests, Classroom, Calendar, chat and stats — in the user's own account.