Mcpclient

Item: Mcpclient
Rating: 46
Author: M8ven

Client to demonstrate the test of an MCP server with OpenAI LLM

→ pdhoward/mcpclient · listed on mcp_so

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// key findings

🚨

Secret credentials may flow to a network call

1 flow detected: MCP_API_KEY. We can’t prove the destination matches the brand the credential belongs to.

🚨

Known vulnerabilities in dependencies: 1 critical, 11 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

🔐

You'll be asked for 3 credentials: MCP_API_KEY, NEXT_PUBLIC_FIRECRAWL_API_KEY, OPENAI_API_KEY

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// known CVEs in dependencies1 critical11 high2 medium18 low

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

criticalnext@15.3.1GHSA-9qr9-h5gf-34mp

Next.js is vulnerable to RCE in React flight protocol

high@modelcontextprotocol/sdk@1.8.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.8.0GHSA-w48q-cv73-mx4w

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

highnext@15.3.1GHSA-267c-6grr-h53f

Next.js has a Middleware / Proxy bypass in App Router applications via segment-prefetch routes

highnext@15.3.1GHSA-26hh-7cqf-hhc6

Next.js has a Middleware / Proxy bypass in App Router applications via segment-prefetch routes - Incomplete Fix Follow-Up

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// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

🔐 secretMCP_API_KEY

🔐 secretNEXT_PUBLIC_FIRECRAWL_API_KEY

🔐 secretOPENAI_API_KEY

// 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/pdhoward-mcpclient-4gpy9x)](https://m8ven.ai/mcp/pdhoward-mcpclient-4gpy9x)

commit: 763cce0bfec4fe752429852c11eae1c003c53836

code hash: 96a5cd81e8e64c4d07c4919e8daf8d7e5112bc139d80ddb0ff730b8df533ff04

verified: 6/16/2026, 11:37:40 AM

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