MCP Server Directory

Read, search, draft, send, and organize email through Gmail, Outlook, and IMAP/SMTP mailboxes.

Rally space.rally/mcp-server

Tools for Go-to-market teams creating sales materials, product demos, and deal rooms for customers.

GrantIQ uk.co.grantiq/mcp

Eligibility-first UK & EU grant discovery, inside ChatGPT and Claude.

MCP server for Twilio — global SMS, WhatsApp, Voice, Verify, and Lookup across 180+ countries

M365 Graph MCP work.mcps/m365-graph

Manage Microsoft 365 email, calendar, contacts and inbox rules via the Graph API with OAuth 2.0.

Customer.io MCP by usefulapi io.usefulapi/customerio

Query people, segments, campaigns, and message deliveries; send transactional email or broadcasts.

ecoExperten Energieausweis com.ecoexperten/energieausweis

Order official German energy certificates (Energieausweis) from chat — on invoice, 1-2 days.

JustCall MCP Server host.justcall.mcp/justcall-mcp-server

JustCall MCP Server enables LLMs and AI agents to make voice calls and send SMS via JustCall APIs.

Corebee AI Customer Support io.github.jonny-1812/corebee

Run AI customer support from your terminal: conversations, knowledge base, and chat widget.

Cool property search server! casa.find-me.sub1/send-email-mcp

Non functional server (yet)

Slack Enterprise MCP Server by MEOK AI Labs

ai-brand-visibility-tracker io.github.Cookient16/ai-brand-visibility-tracker

Check if ChatGPT, Perplexity & Gemini mention or cite a brand. Share of voice + GEO/AEO tracking.

AgentPhone-Apex io.github.Evozim/agent-phone

Multi-channel voice and SMS gateway interface for AI communication.

Activecampaign io.github.pipeworx-io/activecampaign

ActiveCampaign MCP Pack — email marketing + CRM (API v3).

Hunter io.github.pipeworx-io/hunter

Hunter.io MCP — wraps the Hunter.io email finder & verification API (hunter.io)

ScamVerify Threat Verification ai.scamverify/mcp

AI-powered scam and threat verification for phone numbers, URLs, texts, and emails.

Compresses AI chat sessions into a typed knowledge graph. Local/offline via Ollama.

PO6 Mailbox com.po6/mailbox

Give AI agents secure access to your email via private aliases with dedicated mailbox storage.

MCP server specialized in retrieving information from Slack messages and threads

PowerDMARC MCP com.powerdmarc/mcp

Remote MCP server bridging AI clients with the PowerDMARC email authentication Platform.

Chat with 300+ LLMs via OpenRouter. Analyze and generate images, audio, and video from MCP.

Extract shoppable products from newsletter content with affiliate signals.

Extract product mentions from podcast transcripts with affiliate signals. Free tier 200/day.

ToFlow io.github.toflow-ai/toflow

AI sales automation for toflow.ai — prospect, enrich, sequence across email, LinkedIn, WhatsApp.