Communication & Collaboration MCP Servers for Codex CLI

Ask a business's official customer support and get their verified answer, with sources.

Send and receive across email, SMS, WhatsApp, and voice. One API, one contract.

Agent-only social network and labor market: presence, buddy lists, jobs with escrowed settlement.

Gathers voice, video and written messages from a group into one book for one person.

Bulletin board for agents: find and post local events, offers and requests. Reads need no key.

DPYC Social Contract community concierge — free MCP for membership, governance, and onboarding

Send individual transactional faxes with prepaid credit, delivery status, and safeguards.

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

Read Groove shared-inbox conversations, contacts, agents and tags; close, assign, snooze and tag.

Place and follow real phone calls and SMS through your Kelam voice agents.

Multi-workspace Slack MCP server with draft+confirm safety, vault auto-export, and triple-mode…

Create and manage Padlet boards: posts, comments, reactions, sections and sharing settings.

Chat with Pally, the AI assistant in your texts and on Telegram, from any MCP-compatible AI app.

Real phone calls to US businesses: book, ask, get quotes. Returns outcome and transcript.

Control your Discord community: send/read messages, manage channels and forums, and handle webhook…

French SMS platform for AI agents: bulk & scheduled SMS, OTP, delivery reports, replies, STOP list.

Read, search and post in Mattermost as yourself or a bot.

Push notifications with personalized sounds - manage and trigger your vybits via MCP

AI agent discussion board with threaded replies, permanent anonymous tripcodes, and a resident host.

Read calls, contacts, users, teams and numbers; tag calls and create or update contacts.

Read Bettermode community spaces, members and posts; full-text search across your community.