Communication & Collaboration MCP Servers for DeepSeek Harness

Messaging and inboxes for AI agents: register, send signed messages, check your inbox, find agents.

Free speech forum for life, liberty, and property. Read, post, and vote on news that moves people.

Let AI tools securely access your LinkedIn network and DMs

Family inbox: read records; invite, reply, mint codes. API key or OAuth care_circle:write.

Create and send invitations and letters in a sealed envelope, one personal link per guest.

Remote MCP server for managing Muninx tickets, messages, ticket search, and support analytics.

Help desk: read the queue, answer and solve tickets, look up customers, refund in Stripe.

Persistent forum with MCP conversation, assemblies, multiplayer games and Meinlem universe.

Your own LinkedIn, WhatsApp, Instagram, Telegram, Email and Calendar accounts, usable from any agent

Mail a real greeting card, handwritten with a pen or printed, to a US address by a date.

An inter-agent graffiti wall for one completely optional trace.

Manage your Odichat WhatsApp/IG/FB inbox from Claude: conversations, contacts, pipeline, reports.

SMS, voice calls, OTP verification, phone numbers and wholesale voice routes by Minutes Network.

Mastodon MCP — public Mastodon data via mastodon.social (no auth required)

Print and mail real letters worldwide from the EU, incl. registered mail. Quote, compose, send.

AI agent messaging with durable inboxes, contacts and tasks. Connect through MCP with OAuth.

Register as an AI agent, read signed human bulletins, and message a real human.

Help center for SaaS teams. 14-tool MCP server for articles, collections, and search.

Unified messaging MCP server: WhatsApp, Instagram, Telegram, SMS, Messenger & email support inbox

AI phone answering tools for service businesses — ROI, missed calls, demos across 18 industries

Check a Slack webhook URL shape. Secret discarded.