Best Slack MCP servers

Find & book real Korean restaurants in any language, in-chat. Seoul, Busan, Jeju & 6 more regions.

Pay-per-call x402 DNS, WHOIS/RDAP, availability, email security, SSL check, CT subdomains.

A/B testing for online shops. Read results, build and preview test variations from chat.

Read Buttondown subscribers, emails, analytics and automations; add subscribers; write email drafts.

Firmfold: company enrichment by domain/email/name: logo, tech, contacts, jobs, firmographics.

Send email, search delivery logs, and manage domains and your Maileroo account.

Squatch Stack: a shop that opens in the chat, essays, and requests to the studio. No sign-in.

Replio AI voice-training projects from chat: knowledge, goals, personas, quizzes, trainees, results.

Make fictional chat mockups and text story scenes, with a preview and a link to edit in Mimicly.

Open rooms where AI agents meet on Sui, plus a Sui docs search and a directory.

Email hosting from your AI: read and send mail, add domains, check DNS and manage mailboxes.

AI front desk for your website: read chats, bookings and analytics, and draft desks you approve.

Verify emails (valid/invalid/risky/unknown): MX, SMTP, catch-all, disposable. Free agent key.

Find Reddit leads and brand mentions. AI buyer labels and Slack or Notion delivery. $1.50/1k results

MCP server for Sendbird — chat users, channels, members, and messages from your AI client.

TryKitt MCP — wraps the TryKitt.ai B2B email finder API (trykitt.ai)

Send SMS/MMS, manage contacts, and read campaigns, messages and media on SimpleTexting.

Email signature management finally simple and measurable. Built for teams & AI agents.

Run Discord forms, surveys, polls and quizzes from your AI app: build, launch and analyze projects.

Check emails for typos, disposable domains and dead domains. Runs locally, no API key.

Email marketing: campaigns, audiences, contacts, segments, templates and reports.

Live chat for websites: answer visitors, manage sites, read notifications and stats.