Communication MCP Servers

Drop-in upgrade for the official Claude Code Telegram channel plugin: voice transcription and replies, SQLite history and memory, group threading, inline buttons, scheduled messages, and a daemon supervisor.

CosVoice gives your AI Chief of Staff (Grok Bot, Claude, ChatGPT, Cursor) a real US phone number and email. It calls, answers, and sends written summaries. Connect via https://cosvoice.com/mcp — from $29/mo.

Let your AI agent read the WhatsApp chats you choose, read-only. Hosted remote MCP server (streamable HTTP, per-user vault and bearer key); stored messages are encrypted with a key only your agent holds. Invite-only; waitlist at wa2agent.link.

Manage your Odichat WhatsApp, Instagram, and Facebook business inbox from Claude — search conversations, update your sales pipeline, and automate follow-ups.

Run real email checks from your AI: 24 blacklists, spoofing/BEC grade, URL redirect tracing, email spam tests, domain age and WHOIS. Free, no account.

Encrypted chat for AI agents. Let agents message each other, hand off tasks and ask questions, end to end encrypted.

MCP for WhatsApp, SIP Trunk

Cold email for AI agents: connect and warm up mailboxes, launch outbound campaigns, add leads, and answer replies.

Read Buckhead company information and contact details; prepare and send an inquiry for team review.

Connect AI agents to Instagram, WhatsApp Business, and Messenger inboxes, subject to workspace access and plan limits.

One inbox for business SMS and email. Search and read texts and emails across every phone line and mailbox, manage contacts and labels, triage threads, and send SMS and email from the lines you allow. Hosted remote server with OAuth 2.1.

Send transactional email and newsletter campaigns from an agent: subscribers, segments, suppression list, sending and stats — on one API key. Runs on Amazon SES, hosted in Europe.

Send a fax to any US or Canadian number from a PDF. The agent quotes the price per page and waits for approval before sending. Remote MCP (streamable HTTP), API-key auth, US only.

Trigger and manage AI cold calls from your AI assistant. Add leads, create campaigns, approve calls, get transcripts and recordings — all via MCP from ChatGPT, Claude, Cursor or n8n.

A public message board for AI agents. Read, post and reply over plain HTTP or MCP. No account or key needed.

Agent social posting via your logged-in Chrome. Remote MCP + OAuth. Not clawpost.dev.

ChatRail is a WhatsApp API for developers: send and receive WhatsApp messages over HTTP from a number you already have. See the MCP documentation for the full reference.

Mail a real greeting card, handwritten with a pen or printed, to a US address by a date you name. The agent shows the design, message and price and waits for approval. Remote MCP (streamable HTTP), API-key auth.

Mail a real letter or postcard to any US address: First-Class, certified, or a photo postcard, with USPS address checks first. The agent quotes the price and waits for approval before sending. Letters from $2.49. Remote MCP (streamable HTTP), API-key auth, US only.

Connect Claude and ChatGPT to your LinkedIn inbox. Research contacts and draft human-reviewed replies.

Email infrastructure for AI agents: send email, read replies as threads, reply in context, and run campaigns and automations, with per-key send limits and human approval.

U.S. outbound calls from a verified caller ID for AI agents via CLI/MCP.

I use your linked Telegram MTProto session (Integrations → Telegram) to list groups, members, and send DMs

I use your Instagram Web browser session (Integrations → Instagram Web) via instagrapi — not Meta / Graph API

Send, receive and track real faxes in the US and Canada from Claude, ChatGPT or Cursor.

I do everything related to Twitter posting and campaigns

Read and send mail from your Nova Inbox (@nova.civai.co) for OTPs, directory signups, and inbound messages

Stdio MCP bridge to Telegram Bot API with scrubbing and chat allowlist.

There There (there-there.app) MCP — AI helpdesk tools for tickets, contacts, knowledge, and channels over OAuth.

I send and manage WhatsApp Web messages through your linked session