mcp-ecc

Item: mcp-ecc
Rating: 52
Author: M8ven

A comprehensive MCP server that aggregates email, calendar, and contacts across Google, Microsoft, Zoho, and IMAP/SMTP services, designed for headless environments with OAuth device flow support.

→ karljsamuel/mcp-ecc · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 15 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 2 credentials: GOOGLE_CLIENT_SECRET, MCP_ENCRYPTION_KEY

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

// known CVEs in dependencies15 high1 medium14 low

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

high@modelcontextprotocol/sdk@1.0.1GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.0.1GHSA-w48q-cv73-mx4w

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

highnodemailer@6.9.14GHSA-p6gq-j5cr-w38f

Nodemailer: Message-level raw option bypasses disableFileAccess/disableUrlAccess, enabling arbitrary file read and full-response SSRF in the delivered message

highnodemailer@6.9.14GHSA-rcmh-qjqh-p98v

Nodemailer’s addressparser is vulnerable to DoS caused by recursive calls

highaxios@1.7.2GHSA-35jp-ww65-95wh

axios Vulnerable to Full Man-in-the-Middle via Prototype Pollution Gadget in `config.proxy`

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.

configGOOGLE_CLIENT_ID

🔐 secretGOOGLE_CLIENT_SECRET

🔐 secretMCP_ENCRYPTION_KEY— my_secure_encryption_key

configMCP_STORAGE_FILE— =./config.json

configPORT— docker run -d --name mcp-ecc -p 3001:3001 -v $(pwd)/data:/data -e =3001 -e MCP_ENCRYPTION_KEY=your_key mcp-ecc start --sse

// 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/karljsamuel-mcp-ecc-1vbd7i)](https://m8ven.ai/mcp/karljsamuel-mcp-ecc-1vbd7i)

commit: 508a958d16beac871d6fbfc40b4674d309117806

code hash: 1eaa6df42273cf86c3866d1877ced2cf8c99a9c8faf949c73d80c59c219826b3

verified: 7/11/2026, 8:20:47 AM

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