mcp-mssql

Item: mcp-mssql
Rating: 56
Author: M8ven

Enables natural language to SQL queries on MSSQL databases via Claude, with safe SELECT-only execution and schema discovery.

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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@1.18.2GHSA-345p-7cg4-v4c7

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

high@modelcontextprotocol/sdk@1.18.2GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.18.2GHSA-w48q-cv73-mx4w

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

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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.

configMSSQL_DB— YourDatabase

configMSSQL_HOST— "": "localhost",

configMSSQL_PORT— "": "1433",

configMSSQL_PWD— ReadOnly!123

configMSSQL_USER— readonly_login

// 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 7 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/ismailcankaratas-mcp-mssql-1epg18)](https://m8ven.ai/mcp/ismailcankaratas-mcp-mssql-1epg18)

commit: f185300af1b79dc18ed451d8673f86d979c1a58a

code hash: d30c7eb790bcddbbfc5a294fa797bc8ef32181de1612af8684ea9208333a3156

verified: 6/18/2026, 11:22:16 AM

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