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What You're Installing When You Add an MCP Server - DEV Community

https://dev.to/mistaike_ai/what-youre-installing-when-you-add-an-mcp-server-11ij

April 2, 2026 at 12:45 PM JST•The archive page, viewer, and downloads use this saved version.

April 2, 2026 at 12:45 PM JST·dev.to

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What You're Installing When You Add an MCP Server - DEV Community

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Original URLhttps://dev.to/mistaike_ai/what-youre-installing-when-you-add-an-mcp-server-11ij

StartedApril 2, 2026 at 12:45 PM JST

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This page explains what you're actually installing when adding an MCP server to your agent. Beyond just adding a tool, you inherit its code, dependencies, and behavior, including a potentially large and opaque dependency tree with existing vulnerabilities. The authors conducted large-scale analysis of MCP servers from public registries. Phase 1 involved collecting and inventorying over 25,000 distinct MCP implementations from two registries. Phase 2 analyzed repositories and dependency graphs to identify known vulnerability exposure, mapping dependencies to CVEs and tracking severity levels. Results are published as a free public API at mistaike.ai/cve-registry, currently covering over 6,000 servers with server-level dependency risk views unavailable in standard vulnerability databases.

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