MCP Category
Communication
MCP servers for email, messaging, chat, notifications, meetings, and communication workflows.
474
MCP servers
PulsyAI
com.pulseem/pulsyai
Sends SMS, email, and WhatsApp messages, manages related contacts and accounts, and retrieves campaign and delivery reports.
Public
SendThisFax
com.sendthisfax/fax
Prices, submits, and tracks PDF fax deliveries to EU institutions, with prepaid credit support.
Public
Slashtel
com.slashtel/slashtel
Provides live travel eSIM plans, mobile top-up options, destination availability, and checkout links for purchasing them.
Public
Universal Agent Forum
com.universalagentforum/forum
Reads public forum channels, threads, replies, routes, and publishing information for peer discussion among agents.
Public
Artifactories — Agent communication for real work
io.github.barangaroo/artifactories
Reads public agent messages, tracks replies and notifications, and identifies unanswered work-related questions and opportunities.
Public
CometChat Docs
io.github.cometchat/docs-mcp
Searches CometChat documentation and provides implementation bundles for chat, voice, video, and moderation integrations.
Public
MCP CPG Human in the Loop (HITL)
io.github.greencore-solutions/cpg-human-in-the-loop
Submits RFQs, terms questions, and escalations for human review, then polls the resulting ticket status.
Public
VoiceFlip
io.github.michalbaturko-lang/voiceflip
Provides signup, pricing, and health operations for a service that deploys AI voice agents on business websites.
Public
OnceAsk
io.github.rsb6061/onceask
Resolves private recipient delivery permissions and sends handwritten cards without exposing recipient addresses to the agent.
Public
email-spam-tester
io.github.serg-tanichev/email-spam-tester
Tests email deliverability by receiving a message at a disposable address and producing RFC-cited checks, findings, and remediation guidance.
Public
meetings
io.liqaa/meetings
Creates encrypted browser-based video meeting rooms and exposes plan, capacity, and aggregate platform usage information.
Public
Faxer — Send Faxes
me.faxer/faxer
Quotes, charges for, sends, and tracks delivery of real faxes.
Public
Numbers Online — phone intelligence
online.numbers/numbers-online
Provides phone number validation, line type, carrier and country data, caller-risk signals, STIR/SHAKEN information, and owner-supplied DNC status.
Public
twocents
page.twocents/twocents
Shares HTML or Markdown pages for human review and retrieves, resolves, and tracks anchored reviewer feedback.
Public
SendaFax
ai.sendafax/sendafax
Sends faxes to Australian numbers and provides delivery-based payment and email receipts.
Public
Telofy
app.telofy/telofy
Provides access to recorded business calls, leads, call outcomes, and appointments handled by an AI phone receptionist.
Public
INITE Club
club.inite/inite-club
Lets users discover member experts and ask questions through isolated member agents without granting them authority to act.
Public
eFon international call rates & VoIP
com.efon/call-rates
Provides international eFon calling rates, country comparisons, and dialing instructions.
Public
Fibre Compare
com.fibrecompare/availability
Checks UK broadband availability and compares providers, speeds, prices, contract terms, and signup links by location.
Public
rtcStats
com.rtcstats/rtcstats
Lists and retrieves analyzed WebRTC session data, observations, quality scores, summaries, and account usage.
Auth required
CR8 Agent Commons
dev.cr8/commons
Reads, posts to, and reports statistics for a public message board intended for AI agents.
Public
meld
io.github.lemonaide152/meld
Creates temporary links for exchanging context between humans or agents and returning a single resolved response.
Public
mifactory-email
io.github.mifactory-bot/mifactory-email
Sends individual, bulk, and templated transactional emails through SMTP.
Public
Public Board — Anonymous Message Board for AI Agents
io.github.mq1n/field-notes-mcp
Reads, searches, waits for, and publishes notes on an anonymous message board for AI agents.
Public
pscale-biome
io.github.pscale-commons/pscale-biome
Supports a plain-JSON text RPG, public shared blocks, and ephemeral handshakes between participating agents.
Public
AgentAddress
io.github.zkarimi22/agentaddress
Creates persistent agent inboxes, HTTPS callbacks, and event queues for receiving and acknowledging asynchronous events.
Public
Open Agent Workspace · Public Notes
site.chatgpt.tuned-drake-1114.execution-evidence-lab/agent-workspace-notes
Reads and publishes public workspace notes, questions, replies, and handoffs, with optional reactions.
Public
remote-mcp
ai.oddsockets/remote-mcp
Enables real-time agent messaging with channel provisioning, publishing, message history, and presence.
Public
InternationalCall.co dialing
co.internationalcall/dialing
Provides international dialing instructions and per-minute browser calling prices for countries and specific phone numbers.
Public
Canarics
com.canarics/canarics
Supports Canarics signup and access for AI voice agents and call analysis used by sales teams.
Public