MCP Servers 618
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Sendinel
AI-controlled email ops for campaigns, contacts, segments, analytics, and sending.
Jekakos User Data Enrichment
Enrich user data by adding social network links based on provided personal information.
EmailMCP
AI agent email — 23 tools free to read inbox, 28 paid to send.
Tandem
Messaging for human + AI pairs: your AI drafts, you sign, threads route across clients + web inbox.
Superpowers.social
Hosted MCP for X/Twitter and Reddit.
soeru
Write personalized, on-brand thank-you and packing-slip messages for your EC orders.

Mifactory Email
Send transactional emails for AI agents via SMTP.
Postfleet
Give an AI agent its own email address: send, reply, read, and wait for mail.
Aura
Email address, webhook, durable memory and zero-token waiting for agents.
Layero
Build a landing page from your IDE chat, publish it, then manage domains and analytics.
Chinese Social Signals
MCP server: AI-agent access to Chinese social & trend signals — Douyin, Weibo, Xiaohongshu/RedNote,
Email Verifier
Verify email deliverability & find business emails (single or bulk) via the Verifox API.
Postey
Draft, schedule and publish social posts to nine platforms from any AI agent.
Bavlio
LinkedIn + cold email outreach: find leads, launch personalized campaigns, manage replies.
Servana
Search and message local service vendors (cleaning, med spa, yoga, personal training) by city.
Pally
Chat with your Pally, the AI assistant in your texts, from any MCP-compatible AI app.
SocialData
Twitter (X) API alternative for AI agents: tweet search, profiles, followers.
Twitter X Aio
Twitter: Access real-time Twitter/X data as soon as it's posted! With the Twitter/X AIO API, you.
MailInApp
Build and send interactive email campaigns: studio editing, contacts, sending, results.
Regex/Email/URL Validator
Regex matching, email/URL format validation, and JSON Schema validation.
Hedwig
Read, arrange, and build agents on your Hedwig email board from any AI client.

Notification Cadence Guide
Set notification cadence for an operations workflow