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Security Guard MCP

Enables secure interaction between LLMs and MCP tools by applying zero-trust security controls, including sensitive data masking, file system protection, and policy enforcement.

→ marcojourney/security-guard-mcp· listed on glama
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// key findings
⚠️
Known vulnerabilities in dependencies: 7 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
✅
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
// known CVEs in dependencies7 high1 medium4 low

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

high@modelcontextprotocol/sdk@1.0.1GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.0.1GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

high@nestjs/platform-fastify@10.0.0GHSA-6v32-fjc9-9qf6

Nest: Middleware Bypass on Fastify via Trailing Slash

high@nestjs/platform-fastify@10.0.0GHSA-r4wm-x892-vjmx

Nest has a Fastify URL Encoding Middleware Bypass

high@nestjs/platform-fastify@10.0.0GHSA-wf42-42fg-fg84

Nest Fastify HEAD Request Middleware Bypass

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// full audit trail
The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.
// improvement guidance — verified publishers only
We have 3 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
// embed badge in your README
[![M8ven Score](https://m8ven.ai/badge/mcp/marcojourney-security-guard-mcp-1o60au)](https://m8ven.ai/mcp/marcojourney-security-guard-mcp-1o60au)
commit: 8e31f1e60debbd5173a5b2f06ee4516aa3884a18
code hash: bb5604731463535e80738a42dca367477f79f9f872dad0de58b5bf6ce9ef804e
verified: 6/17/2026, 11:29:02 AM
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