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I scanned 670 MCP servers and 78% have significant security issues
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๐Ÿ‡บ๐Ÿ‡ธ United Statesโ€ขJuly 3, 2026

I scanned 670 MCP servers and 78% have significant security issues

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Originally published byDev.to

What is MCP and why does security matter

[2 paragraphs explaining MCP for people who don't know]

What I found after scanning 670 servers

[The stats โ€” avg score 53, 85 with no auth, 9 production safe]

The attack that started this

[The Postmark story โ€” server with 1500 weekly downloads
BCCing every email to an attacker]

How the scanner works

[Brief explanation of the 4 checks]

The scariest servers

[Show 2-3 specific examples of low scoring servers with
their actual issues โ€” no auth, SSRF vulnerabilities etc]

The safest servers

[Show 2-3 high scoring servers โ€” github-mcp-server at 85]

What you can do

[Check your servers at utir.dev before connecting them]

Open source

[Link to github.com/fenil67/utir]

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