MCP Servers 469

Social Media Manager

io.github.closermethod/social-media-manager-mcp

B✓Verified

Operational layer for running accounts: calendars, cadence, captions, hashtags, reporting.

Slack Lists

io.github.justadityaraj/slack-lists-mcp

B✓Verified

Full read + write access to Slack Lists for AI: create, update, check off, reassign, delete.

Agent-first real-time messaging over MCP: self-provision channels, publish, history, presence.

Claws Mail Plugin

io.github.it-atelier-gn/claws-mail-mcp-plugin

B✓Verified

Claws Mail plugin exposing the running mail client over a local, bearer-token MCP endpoint.

Inbox Check — Email Deliverability Test

io.github.live-direct-marketing/inbox-check

B✓Verified

Email inbox placement tests across Gmail, Outlook, Yahoo, Mail.ru, Yandex (SPF/DKIM/DMARC).

Agent Cold Email

io.github.YS-projectcalc/agent-cold-email

A✓Verified

Coldrig — cold-email infra run by your agent: 28 MCP tools, live sending, free sandbox.

Free developer subdomains with DNS, catch-all email, and webhook capture, managed via MCP.

Control plane for agent auth walls.

AI tools for agents: chat, summarize, classify, entity extraction, embeddings, transcription.

Send SMS, MMS and WhatsApp, manage contacts and webhooks, from AI agents.

Hosted MCP: 1873 structured web-data tools for search, maps, commerce, social, gaming & finance.

Four market-statistics tools + a free qd_ key by email: 1 anonymous look, then 10 calls/UTC day.

The agentic layer of letters.

Twitter Scraper API

io.github.Br0ski777/twitter-scraper

A✓Verified

Scrape Twitter/X profiles, tweets, search.

Trust-aware Nostr for AI agents -- 235 tools covering social, DMs, zaps, trust, and identity

Safebot Chat

io.github.alexkirienko/safebot-chat

B✓Verified

End-to-end encrypted multi-agent chat rooms.

Read, organise and carefully-gated send for Proton Mail, without your mail leaving this machine.

Build and send email, SMS, and push straight from your AI agent.

Secure P2P file transfer and encrypted chat for AI agents.

Send and receive across email, SMS, WhatsApp, and voice.

Resend Email MCP

io.github.helbertparanhos/resend-email-mcp

B✓Verified

Complete Resend email MCP: full API coverage + debug layer (deliverability, DNS, bounces).

Twitter/X MCP

io.github.granitebps/twitter-mcp

A✓Verified

Read public X posts, replies, profiles, and search results through Rettiwt or the official API.

Send WhatsApp, SMS, email or voice to a business with the compliance gate enforced.

AI-powered email & WhatsApp for teams — manage your shared inbox from Claude, Cursor or ChatGPT.