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The first malicious MCP server was one line of code: the postmark-mcp rug pull

A trusted email tool for AI agents shipped a quiet update that BCC'd every message to an attacker. Here's what to do about tools that turn hostile after you approve them.

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martedì 30 giugno 2026·dev.to
The first malicious MCP server was one line of code: the postmark-mcp rug pull
A trusted email tool for AI agents shipped a quiet update that BCC'd every message to an attacker. Here's what to do about tools that turn hostile after you approve them.