2 #spam MCP Servers & Clients
Every MCP server and client below is tagged #spam — install one to give Claude, Cursor, VS Code, or any other MCP-compatible client access to spam tools.
All
Numbers Online — Phone Intelligence
numbers-online
A hosted, read-only Model Context Protocol server that gives an AI voice agent phone intelligence in one call — who is this inbound caller, and is this number one to think twice about — before it burns agent minutes. Four read-only tools: phone_lookup (validity, line type, range
Added 23 days ago
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 3 months ago
Frequently asked questions
What is a #spam MCP server?
- An MCP server tagged #spam implements the Model Context Protocol so AI assistants like Claude, Cursor, and VS Code can access spam-related tools, data, or APIs.
How many #spam MCP servers and clients are there?
- mcp.so currently lists 2 MCP servers and clients tagged #spam.
How do I install a #spam 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.