MCP Server Directory

Nota Fiscal io.github.mcp-dir/notafiscal-mcp

Issue and manage Brazilian service invoices (NFS-e) by chatting with your agent, platform-hosted, no

MindDory Brain com.minddory/brain

Free: turn your AI chats into spaced-repetition vocabulary. 13 tools, reads and writes.

Gmail integration with OAuth authentication, message search, batch operations, and Sheets export

AEO Scanner io.github.Convrgent/aeo-scanner

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

WhatsApp MCP Server - Human-in-the-loop for AI agents via WhatsApp

Prowl MCP chat.prowl/prowl-mcp

MCP server: 447 pay-as-you-go research tools (SEO, ads, SERP) + verified prowl_analyze reports

Double Check io.github.mgleonard-ops/double-check

AI-powered scam detection for suspicious texts, emails, and screenshots. US-focused.

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

mifactory-email io.github.mifactory-bot/mifactory-email

Send transactional emails for AI agents via SMTP. Templates included.

outlook-email com.mintmcp/outlook-email

A MCP server for Outlook email that lets you search, read, and draft emails and replies.

Email management via JMAP — mailboxes, messages, identities, and Sieve scripts

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

Email IMAP/SMTP MCP server: iCloud, Gmail, Yahoo, Outlook, and custom IMAP providers

ScamVerify Threat Verification ai.scamverify/mcp

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

KeyID io.github.KeyID-AI/keyid

Signup sessions, browser continuity, email, SMS, and OTP/TOTP infrastructure for AI agents.

PikaSim com.pikasim/pikasim

Anonymous eSIMs, phone numbers, and SMS codes in 190+ countries. Crypto-paid; agents self-onboard.

LeadFoxConnect io.github.LeadFox-Shay/leadfoxconnect

Marketo MCP server for AI. 130 tools to operate Marketo from Claude, Cursor, or ChatGPT.

Local MCP server to sync, clean, and index AI chat logs locally. Saves up to 40% context tokens.

Send transactional emails from AI agents via Truncus. Validate, track delivery, and manage domains.

Pingfyr com.pingfyr/pingfyr

Schedule reminders for AI agents via email, webhook, Slack, Discord, Telegram, or Google Calendar.

UltraMemory io.github.LogicLabsAI/ultramemory-mcp

One memory, every AI: Claude, ChatGPT, Perplexity, Gemini, Cursor, OpenClaw, Hermes, any MCP client.

Email validation MCP server using the MailboxValidator API. It can validate email addresses.

mcp-server com.pingvalid/mcp-server

Email validation for Claude and any MCP client — verdicts with evidence, bulk jobs, refunds.

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