langchain-mcp-user-query-demo

A demonstrative MCP server that exposes a query-user tool for retrieving user info by ID, integrated with LangChain for agent-driven model reasoning and tool calls.

→ Ciel-17/langchain-mcp-server · listed on glama

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// key findings

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

🔐

You'll be asked for 1 credential: OPENAI_API_KEY

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

// required environment variables

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

configMODEL_NAME— your-model-name

🔐 secretOPENAI_API_KEY— your-api-key

configOPENAI_BASE_URL— 如果使用官方 OpenAI API，可以按你的 SDK 配置习惯填写或省略。

// 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 5 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/ciel-17-langchain-mcp-server-1wauyp)](https://m8ven.ai/mcp/ciel-17-langchain-mcp-server-1wauyp)

commit: 33dac396d01a937f0bb05a322283463306569e2f

code hash: fc8c9166324c9fdb7b487d37f0d539880ddf5e33a322b65f4a17db3ab1cc6c88

verified: 6/20/2026, 9:12:55 AM

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