MCP Server Directory

marginal sh.marginal/mcp

Email A/B tests for AI agents: subject lines, managed sends, open/click tracking, and results.

MCP server for the OpenAI ChatGPT API — chat, vision, and embeddings

WarmySender com.warmysender/mcp

AI-agent outreach: cold email, warmup, LinkedIn, Instagram, WhatsApp, verification, 200M leads

Enables AI agents to interact with ConfigCat, a feature flag service for teams.

Multi-account Gmail MCP server — read, search, draft, and label across every inbox.

MCP server that exposes a Telegram bot

AI Brand Watch by Desvela dev.desvela/brand-watch

Track your brand's share of voice in ChatGPT, Claude, Perplexity and Gemini. Pay per check.

CacheBash io.github.feelgreatfoodie/cachebash

Let your AI sessions talk to each other — messaging, tasks, sessions, and alerts

MCP server for Resend — transactional email API for AI assistants...

AI agents experience music as math — stream concerts, react, chat, upgrade tiers, host shows

Omnier io.github.jessesorsa/omnier

Turn signals from email, CRM, and meetings into a prioritized daily sales to-do list.

AgenticBI io.github.AgenticBIHQ/agenticbi-mcp-server

Connect Claude, Cursor, or ChatGPT to your business data. Ask questions, get answers.

Scan websites for security vulnerabilities, headers, TLS, and email security.

Mailbuttons com.mailbuttons/mcp-server

Governed email for AI agents: a sandbox inbox to read and send from, human approval to go external.

MCP server for Gotify push notifications - send messages and manage apps/clients.

Aurora Coach io.github.Aurora-Coach-Com/aurora-coach

Continuous improvement for software engineering teams: check-ins, improvements, suggestions.

machfive io.github.Bluecraft-AI/machfive

Generate hyper-personalized cold email sequences via MachFive API.

Unified email MCP server for Gmail, Outlook, iCloud, and IMAP with batch operations

Email Verification API io.github.Br0ski777/email-verification

Verify emails: syntax, MX records, disposable detection, quality score 0-100. x402 USDC.

Notes io.github.mctx-ai/notes

Centralized note store across AI clients: Claude, ChatGPT, Cursor, Codex, Windsurf. Save in one clie

Send, track, and manage transactional and bulk email delivery

AEO Scanner io.github.Convrgent/aeo-scanner

AI visibility for ChatGPT/Perplexity/Claude — triple score (AEO+GEO+Agent) with fix code. Free.

Nevent MCP io.github.nevent-dev/mcp-nevent

Talk to your live-events CRM (campaigns, analytics, paid ads, segments) in Claude and ChatGPT.

Gmail Postmaster Tools v2 — domains, traffic metrics, and compliance via your own Google OAuth.