What is a #blacklist MCP server?
An MCP server tagged #blacklist implements the Model Context Protocol so AI assistants like Claude, Cursor, and VS Code can access blacklist-related tools, data, or APIs.
5 #blacklist MCP Servers & Clients
Every MCP server and client below is tagged #blacklist — install one to give Claude, Cursor, VS Code, or any other MCP-compatible client access to blacklist tools.
All
MT
Mailx Tools
Mailwarm
MCP server for email deliverability: validate SPF/DKIM/DMARC/BIMI, check blacklists, test SMTP/IMAP, look up DNS, and generate ready-to-deploy records for any major email provider. Ships with two one-click prompts (audit-deliverability, setup-dns). Public, no auth.
Added 4 months ago
DD
Domain Deliverability Checker
mammalabsdev
Checks email domain deliverability via DNS: SPF, DKIM, DMARC, MX
Added 2 months ago
HostTracker
HostTracker
HostTracker is a website and infrastructure monitoring service that has run external checks since 2004 for more than 500,000 websites. Its official MCP server lets an AI assistant operate a HostTracker account directly i
Added 2 days ago
N
Networktoolz
networktoolzadmin
Real-time DNS, SSL, IP geolocation, blacklist check, web security scanner and 15 more network diagnostic tools for AI assistants
Added 3 months ago
MT
Mailx Tools
Mailwarm
Email deliverability tools for AI agents. Check SPF, DKIM, DMARC, BIMI, blacklists, SMTP/IMAP connectivity, and generate DNS records.
Added 4 months ago
Frequently asked questions
Common questions about MCP servers and clients tagged #blacklist
How many #blacklist MCP servers and clients are there?
mcp.so currently lists 5 MCP servers and clients tagged #blacklist.
How do I install a #blacklist MCP server?
Open any server below and copy its install snippet into Claude Desktop, Cursor, VS Code, or another MCP client's configuration — remote servers need no separate download.