Covalent Bond
Local installPeer-to-peer, end-to-end-encrypted collaboration channel for AI coding agents over MCP.
539 servers in Communication
Peer-to-peer, end-to-end-encrypted collaboration channel for AI coding agents over MCP.
MCP server for the Txtcel Solana protocol: agents post and read undeletable on-chain messages.
Deterministic pre-send lint for SMS/iMessage: silent carrier filtering and segment blowups.
Phone verification: free keyless coverage/pricing discovery + 4-channel OTP send. 15 tools.
Self-hosted MCP voice agent that places phone calls on your behalf via Retell.
Lean Gmail MCP server with auto authentication support
One MCP tool contract for telephony — any call provider, hosted, local, or BYOK.
Send eCards, run bulk campaigns, and automate recurring cards from your AI assistant.
AI-powered email & WhatsApp for teams — manage your shared inbox from Claude, Cursor or ChatGPT.
Discourse MCP server (stdio) with review-queue tools added. Fork of @discourse/mcp.
Agentic Gmail triage: classify, summarize, extract tasks, draft replies. Never sends.
Feishu/Lark MCP server + CLI tool. 85 tools, 3 auth layers. Send as user via cookie+protobuf.
Unofficial self-hosted MCP connector for Proton Mail Bridge and SimpleLogin.
Read-only-by-default MCP server for iCloud mail, calendar, and contacts (IMAP/CalDAV/CardDAV).
Community forum management — posts, users, search, and moderation via the Website Toolbox API.
PushToDisplay MCP server — send real-time updates to display boards on iOS and Android devices.
MCP server for Zenvia — SMS, WhatsApp, RCS, Email, Voice, Facebook messaging, templates and reports
Minimal MCP server for downloading Gmail attachments to disk. Read-only OAuth by default.
SpiderIQ Mail: SpiderMail mailboxes, messages, threads, send, compose for AI agents
Auth, email, journeys, surveys, webhooks, and analytics for SaaS in one project, one API key.
MCP server for Rocket.Chat — messages, DMs, search, files, and channels over stdio
Connect your AI assistant to email — read, search, send, and organise via IMAP/SMTP.
Nostr publishing, queries, and DMs for AI agents, with allowlists, rate limits, and an audit log.
All-in-one MCP server: GitHub, Git, Slack, web fetch, memory, and filesystem. Agent Mode opt-in.
Microsoft Outlook (mail) MCP server — read, search, and send email through Microsoft Graph.
MCP server for TalkToPlanB: list rooms, read & send messages (WhatsApp alternative).
MCP server for Resend — transactional email API for AI assistants...
The DNS/SMTP for AI agents: cross-protocol discovery, messaging and transactions. No middleman fees.
Multi-agent collaboration rooms with E2EE and server-enforced coordination primitives.