X1Y1

We check MCP servers and websites from the outside, the way an AI agent sees them, and publish what we find with names and dates. Free tools at x1y1.co/tools.

Joined on Nov 3, 2026 https://x1y1.co

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X1Y1 (x1y1.co)

X1Y1

Nov 8

We Checked 10,659 Public MCP Configs. Two Thirds of the Servers Are Unpinned

#mcp #security #ai

5 min read

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X1Y1

Nov 7

MCP Servers in Production: Lessons Learned

#mcp #ai #security #typescript

5 min read

X1Y1

Nov 6

We Checked 20 Big US Retailers Before the AI Shopping Holiday. Half Turned Our Checker Away.

#ai #ecommerce #webdev #seo

4 min read

X1Y1

Nov 6

Three MCP Python SDK Advisories, and the One an Upgrade Will Not Fix

#mcp #python #security #oauth

7 min read

X1Y1

Nov 3

We Checked 61 Official MCP Servers Against the Auth Spec

#mcp #security #oauth #ai

5 min read

X1Y1

Nov 3

620,000 Downloads Last Week for MCP Servers That Will Never Be Patched

#mcp #security #ai #npm

3 min read

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We Checked 10,659 Public MCP Configs. Two Thirds of the Servers Are Unpinned

Want to connect with X1Y1?

MCP Servers in Production: Lessons Learned

We Checked 20 Big US Retailers Before the AI Shopping Holiday. Half Turned Our Checker Away.

Three MCP Python SDK Advisories, and the One an Upgrade Will Not Fix

We Checked 61 Official MCP Servers Against the Auth Spec

620,000 Downloads Last Week for MCP Servers That Will Never Be Patched