mcp-guard

Item: mcp-guard
Rating: 60
Author: M8ven

An HTTP proxy that secures MCP servers by intercepting tool calls and blocking requests based on configurable keyword patterns. It provides a simple way to prevent destructive operations on upstream servers like databases through a JSON-based gate system.

→ alramalho/mcp-guard · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 3 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 dependencies3 high

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

high@modelcontextprotocol/sdk@1.12.0GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.12.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.12.0GHSA-w48q-cv73-mx4w

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

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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/alramalho-mcp-guard-kyk7vl)](https://m8ven.ai/mcp/alramalho-mcp-guard-kyk7vl)

commit: 22587c69d7993d044af1df360836aae346cb42d6

code hash: f6a64701a7abf78ce59adf60337e40c7f8ea6b07d2ba78fbc8fba99578dcde32

verified: 6/13/2026, 10:40:55 AM

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