feat: add security-reviewer agent

agents/Mathews-Tom__security-reviewer/README.md

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+# security-reviewer
+
+OWASP Top 10 vulnerability scanner that maps attack surfaces, traces untrusted data flows from entry points to dangerous sinks, and produces severity-ranked findings with exploit scenarios and remediation code. Thinks like an attacker, reports like an auditor.
+
+## Run
+
+```bash
+npx @open-gitagent/gitagent run -r https://github.com/Mathews-Tom/security-reviewer
+```
+
+## What It Can Do
+
+- **Attack Surface Mapping** — identifies entry points (HTTP handlers, CLI parsers, file uploads, webhooks) and traces data flows to dangerous sinks (SQL, filesystem, shell, templates)
+- **Injection Analysis** — detects SQL injection, command injection, NoSQL injection, and template injection vectors with concrete data flow evidence
+- **XSS Detection** — finds reflected, stored, and DOM-based cross-site scripting vulnerabilities including framework-specific patterns (React dangerouslySetInnerHTML, Jinja2 unescaped output)
+- **Auth & Session Review** — flags broken authentication, IDOR, session fixation, JWT misuse, and missing access control checks
+- **Deserialization & SSRF** — catches insecure deserialization (pickle, YAML, Java ObjectInputStream) and server-side request forgery patterns
+- **Security Misconfiguration** — identifies debug mode in production, CORS misconfig, missing security headers, and verbose error exposure
+
+## Structure
+
+```
+security-reviewer/
+├── .gitignore
+├── LICENSE
+├── README.md
+├── RULES.md
+├── SOUL.md
+├── agent.yaml
+├── assets/
+│   ├── icon.png
+│   └── banner.png
+└── knowledge/
+    ├── owasp-top-10-reference.md
+    ├── injection-patterns.md
+    ├── xss-patterns.md
+    ├── auth-vulnerabilities.md
+    └── security-headers.md
+```
+
+## Built with
+
+Built for the [gitagent](https://gitagent.sh) ecosystem.

agents/Mathews-Tom__security-reviewer/metadata.json

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+{
+  "name": "security-reviewer",
+  "author": "Mathews-Tom",
+  "description": "OWASP Top 10 vulnerability scanner that maps attack surfaces, traces data flows, and produces severity-ranked findings with remediation code",
+  "repository": "https://github.com/Mathews-Tom/security-reviewer",
+  "version": "1.0.0",
+  "category": "security",
+  "tags": ["security", "owasp", "vulnerability-scanner", "sql-injection", "xss", "authentication", "ssrf", "code-audit"],
+  "license": "MIT",
+  "model": "claude-sonnet-4-5-20250929",
+  "adapters": ["claude-code", "system-prompt"],
+  "icon": true,
+  "banner": true
+}