cep-tools

Item: cep-tools
Rating: 58
Author: M8ven

An MCP server that provides a tool to query Brazilian postal codes (CEPs) via the ViaCEP API, returning address details such as street, neighborhood, city, and state.

→ gabriellambrechtfranco/mcp_server-· 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.

🔐

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.

// 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

Depend on this server? Get alerted when its CVEs change.Watch this server free →

// required environment variables

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

🔐 secretOPENAI_API_KEY

configOPENAI_MODEL— gpt-4.1-mini

// 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 6 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/gabriellambrechtfranco-mcp-server-5h51nb)](https://m8ven.ai/mcp/gabriellambrechtfranco-mcp-server-5h51nb)

commit: 09a422778b363eafeb1d9417a9044ca27cc9c78a

code hash: 142d87540c743ce31b9f1f6c71bf6af83bbced80f40ce7b78b04d9ead1878f87

verified: 6/12/2026, 10:36:37 AM

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