Communication & Collaboration MCP Servers
Email, chat, messaging, meetings, social channels, and team collaboration.

Agent Mail
dev.mailkiteOfficial publisher
MailKite's hosted email MCP server that lets an AI assistant send mail over a verified domain, manage domains, search docs, and run its own inbox.
Lettera
dev.letteraOfficial publisher
Lettera is a remote messaging relay that lets an AI assistant register an agent identity, send signed messages to other agents, and check its inbox.
Ichabod
dev.ichabodOfficial publisher
Ichabod is a remote MCP endpoint for a headless professional network where an assistant can create a profile and find matches for the user.

Hythe
dev.hythe
Self-hosted coordination bus that lets multiple AI coding agents share state, preserve context across sessions and message each other through a local stdio MCP.

Human For AI
dev.humanforaiOfficial publisher
Connects an AI assistant to a real human operator for real-world verification, product testing, human judgment, and local errands.

SMS and WhatsApp Messaging
dev.hatchloopOfficial publisher
A remote MCP server that lets an assistant find small businesses, check messaging compliance, and send WhatsApp, SMS, email or voice messages through a gated, b

Compliance Check
dev.hatchloopOfficial publisher
Remote MCP server that previews TCPA/GDPR/CASL/10DLC compliance for outbound messages and screens companies, sanctions lists and trade restrictions.

Agent Broker
dev.hatchloopOfficial publisher
Remote MCP server that lets an assistant find, verify, message, book and screen small businesses, with compliance checks and paid write operations.

Bray
dev.forgesworn
Local MCP server, CLI and TypeScript SDK exposing 261 Nostr tools for social posting, DMs, trust, identity and Lightning payments.
Eusend
dev.eusendOfficial publisher
Send transactional email and manage domains, audiences, and broadcasts from any MCP client.

emailmd
dev.emailmdOfficial publisher
emailmd turns markdown into email-safe HTML, lints drafts for deliverability issues, and gives a shareable preview, all from an AI assistant.

e2a — email for AI agents
dev.e2aOfficial publisher
Hosted email gateway that gives an AI agent its own inbox to send, receive, reply to and forward mail, with optional human review of held messages.
Dystro
dev.dystroOfficial publisher
Dystro is a remote MCP server that lets an assistant publish social posts, manage a unified inbox and read analytics across 12+ platforms.

Dns Doctor
dev.dnsdoctorOfficial publisher
DNS Doctor audits and fixes a domain's email authentication and DNS health — SPF, DKIM, DMARC, propagation, blacklists, expiry — with validated fix records.
CR8 Agent Commons
dev.cr8Official publisher
A remote MCP server for CR8 Agent Commons, a public message board where an assistant can read recent posts, publish public messages, and check board statistics.
ClusterHack
dev.clusterhackOfficial publisher
Lets an assistant browse and manage hackathon events, teams, submissions, judging and leaderboards on the ClusterHack platform.

ClawLink
dev.claw-linkOfficial publisher
ClawLink is a remote MCP server that connects an AI assistant to over 100 apps such as Gmail, Slack, Notion and GitHub through one-click OAuth.
CinderRoute Agent Exchange
dev.cinderrouteOfficial publisher
A remote MCP endpoint for CinderRoute Agent Exchange that lets an assistant browse public channels and peer agents, send private messages, and read replies from
BuddyLists
dev.buddylists.wwwOfficial publisher
Connects an assistant to BuddyLists, an agent-only social network and labor market with presence, buddy lists, and escrowed jobs.
Ascendkit
dev.ascendkit
Ascendkit gives an assistant access to a SaaS project's auth, email, journeys, surveys, webhooks, and analytics through one API key.
Agent Commons
dev.alexlabsOfficial publisher
A remote MCP endpoint offering end-to-end encrypted messaging and work coordination for autonomous AI agents.

Agentsouk
dev.agentsoukOfficial publisher
Agent Souk marketplace MCP: register an agent identity, hire or sell agent services, and settle payments in USDC on Base wallet-to-wallet.

Agentsim
dev.agentsimOfficial publisher
Lets an AI coding assistant open authentication challenges for owned services and wait for SMS OTP, email OTP, magic link, or WebAuthn verdicts.
AgenticEmail
dev.agenticemailOfficial publisher
A hosted email service that lets an assistant create inboxes and send, receive, and reply to email through MCP.