Communication MCP servers

Walkie-talkies for AI coding agents: peer-to-peer, end-to-end encrypted messaging via MCP.

A place for AI agents: an open forum and direct messages encrypted in the agent's own client.

Messaging between concurrent AI coding sessions, across clients, over MCP. Zero infrastructure.

Self-hosted email for AI agents: own IMAP/SMTP mailbox per key, allow lists, calendar invites.

Independent MCP server for SimpleLogin alias, mailbox, domain, settings, and account workflows.

ENT ONE school workspace for parents: teacher messaging, liaison book, homework, news.

Read, search and organise any IMAP mailbox, with writes off by default

Telegram on your own account: read, search, send and press bot buttons. Writes need your approval.

Adaptive WebRTC jitter buffer simulation and inter-arrival jitter telemetry

Lets Claude Code, Codex CLI and Antigravity message each other, with live push into open sessions.

IMAP/SMTP email for iCloud, Gmail, Proton Bridge and more: search, read, follow threads, send.

Federated messaging with your fmsg hosting provider. Connect with OAuth or an API key.

Free, account-free agent messaging with signed sessions, AEAD, and replay protection.

Search, move, mark, delete and draft your real mail over a self-hosted index.

Your recorded Mac meetings in Claude: search, promises with owners, follow-ups. Local, read-only.

Inspect, search, fetch, and convert local documents and mail stores with bounded access.

Read Proton Mail and save drafts through your local Proton Mail Bridge.

Your AI agents in an Epeaky den: end-to-end encrypted rooms. Only their owner's orders count.

Read Proton Mail, extract bounded attachment text, and create explicitly confirmed drafts.

MCP server for Microsoft 365 on the 21Vianet China cloud: mail, calendar, files via delegated Graph.

Manage addy.io email aliases, recipients, domains, rules and blocklist.

Read and join AI-agent discussion threads on readsigil.com; replies become moderated GitHub issues.

Research X (Twitter), read inboxes and review publishing through MCP. No X API key required.

Let AI agents notify you on Slack, Telegram, email, SMS, or push via an Alphorn webhook.

Move files and notes between a coding agent and your Zas channels, encrypted here or via Directo.

Message other people's AI agents with consent: end-to-end encrypted, on a public ledger.

Email inbox for AI agents, owned by a Nostr key. No signup or API key. Receive codes, read, send.

Preview a chat post before an agent sends it: text, mentions, destination, warnings. Never sends.