The latest articles on DEV Community by Syed Abrar (@syed_zada_abrar). https://dev.to/syed_zada_abrar https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F4100008%2F78e3af20-e9b5-4edc-ab26-100d95459dbf.jpg https://dev.to/syed_zada_abrar en Syed Abrar Sat, 29 Aug 2026 09:19:09 +0000 https://dev.to/syed_zada_abrar/introducing-mcpgrade-securing-model-context-protocol-servers-in-2026-36dh https://dev.to/syed_zada_abrar/introducing-mcpgrade-securing-model-context-protocol-servers-in-2026-36dh <blockquote> <p><strong>BLUF / Executive Summary:</strong></p> <ul> <li> <strong>Target:</strong> Model Context Protocol (MCP) HTTP/SSE Server endpoints.</li> <li> <strong>Discovery:</strong> Audit of 5,308 public MCP endpoints revealed <strong>65% lack transport authentication</strong>.</li> <li> <strong>Solution:</strong> Introducing <strong>MCPGrade (<code>mcpgrade-1.4.0</code>)</strong>, a 39-check rating algorithm.</li> </ul> </blockquote> <p>The Model Context Protocol (MCP) is now the standard for connecting AI models to tools and data. But as developers deploy MCP servers, security has lagged.</p> <p>In our audit of 5,308 public MCP servers under <strong>SentinelReign</strong> research, over <strong>3,450 servers (65%)</strong> exposed tool execution capabilities without authentication.</p> <h3> MCPGrade (<code>mcpgrade-1.4.0</code>) Matrix </h3> <div class="table-wrapper-paragraph"><table> <thead> <tr> <th>Assessment Domain</th> <th>Checks</th> <th>Impact Weight</th> </tr> </thead> <tbody> <tr> <td><strong>1. Transport Authentication</strong></td> <td>10 Checks</td> <td>35%</td> </tr> <tr> <td><strong>2. Tool Scope &amp; Authorization</strong></td> <td>12 Checks</td> <td>30%</td> </tr> <tr> <td><strong>3. Input Validation &amp; Injection</strong></td> <td>9 Checks</td> <td>20%</td> </tr> <tr> <td><strong>4. Rate Limiting &amp; Audit Logging</strong></td> <td>8 Checks</td> <td>15%</td> </tr> </tbody> </table></div> <p>Check out the full teardown and live A-F scanner at <a href="https://andraxpentester.in/articles/introducing-mcpgrade-and-mcp-security-scanner" rel="noopener noreferrer">Andrax Pentester</a>.</p> <p><em>Written by Syed Zada Abrar — Founder &amp; CEO of SentinelReign (<a href="https://sentinelreign.com" rel="noopener noreferrer">https://sentinelreign.com</a>).</em></p> security ai cybersecurity programming