Best Communication MCP Servers

MCP-native ad server. Monetize AI chatbots and agents with conversational ads.

Official DeepSeek MCP server for chat, completion, model listing, and balance endpoints.

Allow AI systems to read, send, archive, and manage emails via Gmail.

DNS and email security scanner with 80 MCP tools for SPF, DMARC, DNSSEC, SSL, and brand audits.

AI-controlled email ops for campaigns, contacts, segments, analytics, and sending.

Runtime AI-to-AI security monitor. 23 anomaly types, OWASP MCP Top 10 coverage.

Local email connectivity for AI agents — read, draft, send, and organize Outlook mail via MCP

Natural language-driven spatial transcriptomics analysis with 60+ methods via MCP

MCP RAG: index PDFs, repos, YouTube, Discord, text; optional YouTube vision; query with citations.

AEM MCP server. Chat with your AEM instance for content, component, and asset operations.

ZulipChat MCP: Connect AI to Zulip with 60+ tools for messaging, streams, events, and analytics

OpenAI-compatible LLM gateway: models, savings math, key provisioning, autonomous email-OTP signup

Query your Nudg3 brand visibility across ChatGPT, Claude, Gemini, AI Overviews, and Perplexity.

InChat Image Viewer MCP - View images inline in AI chat by just providing the file path

MCP server for temporary email management using ChatTempMail API

MCP server for Marketo — 32 tools for leads, programs, emails, forms, lists, and bulk export.

Track brand visibility across ChatGPT, Perplexity, Claude, and Gemini.

Thrd MCP: agent email tools for events/threads, safe send/reply, usage, trust and security.

Reasoning-based RAG system for chatting with long PDFs. Supports local and online files.

Chat with your Ableton session in real-time.

Verify AI agent communication with session types and formal proofs

MCP server for ParentSquare school-parent communication platform

MCP server for ChipsAI — manage chatbots, conversations, and AI models

MCP server for transcribing Google Chat voice messages using Groq Whisper API

Temporary email for AI agents: create inboxes, wait for emails, extract OTPs, verify signups.

See how ChatGPT, Claude, Perplexity, and Gemini cite brands, prompts, and sources.

MCP server for the Telnyx API — billing, phone numbers, and messaging

Secure read-only MCP server for Slack workspaces

13 security recon tools for AI agents — DNS, SSL, HTTP, email, ports, ASN. Health Score 0-100.

Turn your ChatGPT to a super travel agent

Publish the website you built with AI to a live public URL — straight from chat, no setup.

Disposable email inboxes for AI agents. Auto-deletes after 24 hours.

Audit your brand's visibility across ChatGPT, Gemini, Claude, Perplexity + 6 more engines.

Agent infra: email, phone, social, domains, VPS, wallets. Paid per-action via x402, no API key.

34-tool CRM server — contacts, pipeline, quotes, invoices, scheduling, email, and AI scoring.

AI client acquisition autopilot. 15 MCP tools for LinkedIn, Email, X, Instagram & Blog outreach from Claude.

Verify email deliverability & find business emails (single or bulk) via the Verifox API.

Evaluate UX with AI personas and human raters directly from MCP-aware clients like Claude and ChatGPT.

Hosted MCP server connecting Apple Health, Fitbit, Oura & Health Connect to Claude and ChatGPT.

Hosted MCP server connecting claude.ai, ChatGPT and other AI apps to your own computer

Disposable inboxes for AI agents: create, wait for delivery, and extract email content or links.

Enables AI agents to control and manipulate live 3D scenes across frameworks like Three.js, A-Frame, and Babylon.js using a comprehensive set of object and environment tools. It features an integrated in-world chat system that allows for real-time scene modifications directly from within the 3D canvas.

Brazilian investment-fund analytics for AI clients via the Model Context Protocol (MCP). Connect Claude Desktop, Cursor, ChatGPT, or any MCP-compatible client to query 30,000+ Brazilian investment funds: daily NAV, complete holdings (CDA), fund-of-funds look-through, portfolio overlap analysis, and your personal favorites/watchlist.

AI-powered email & WhatsApp for teams — manage your shared inbox from Claude, Cursor or ChatGPT.

Generate hyper-personalized cold email sequences via AI.

Trigger events, query channels, and manage realtime messaging on Pusher Channels.