- Registry update
- Oct 17, 2026
Connect
npm$claude mcp add slack-mcp \ -- npx -y @mrfentmen/[email protected]
Environment variables
Nothing to configure — it works as is.
Security review
Review passedReviewed 3m ago.
- metadata
- scanned
- packages
- 1 checked
No findings.
Tools
This server runs on your machine, so its tool list is not fetched before install — the README below describes what it offers.
More in Messaging
vapi-mcp
io.github.mrfentmen
Query the Vapi API: assistants, single assistant, call history, call details.
twilio-mcp-server
io.github.mrfentmen
Send SMS, MMS, WhatsApp messages, make voice calls, and manage Twilio phone numbers.
telegram-mcp
io.github.mrfentmen
Use the Telegram Bot API (free bot; set TELEGRAM_BOT_TOKEN): bot info, send messages, read updates.
savvycal-mcp
io.github.mrfentmen
Timezone, business-day and meeting-slot maths - no API key.
postmark-mcp
io.github.mrfentmen
Query the Postmark API: server info, templates, outbound messages.
mailjet-mcp
io.github.mrfentmen
MCP server for Mailjet: contacts, messages, campaigns. Needs free API keys.
Listing from the official MCP Registry.