# MCP Security — six structural risks in Model Context Protocol | Series

Six structural risks in every MCP deployment: input validation, schema vulns, audit gaps, rate-limit blast radius, gateway comparison, auth fitness.

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      Model Context Protocol is rapidly becoming the default integration layer between AI clients and tools. It also has six structural risks every deployment needs to account for. This series walks through each, with what breaks if you don&rsquo;t mitigate.
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      <h2 class="acp-section-title" style="margin-bottom:8px;">Posts in this series</h2>
      <p class="acp-muted" style="margin-bottom:24px;font-size:14px;">Each post focuses on one specific risk class.</p>
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