gmail-mcp-server

A secure MCP server that enables Claude to read, search, send, reply, forward, and manage Gmail messages and labels through natural language commands.

→ ndungukamami-sketch/gmail-mcp-server · listed on glama

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// key findings

🚨

Known vulnerabilities in dependencies: 2 critical, 2 high

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

🔐

You'll be asked for 1 credential: GMAIL_MCP_TOKEN_KEY

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

// known CVEs in dependencies2 critical2 high

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

criticalvitest@2.0.0GHSA-5xrq-8626-4rwp

When Vitest UI server is listening, arbitrary file can be read and executed

criticalvitest@2.0.0GHSA-9crc-q9x8-hgqq

Vitest allows Remote Code Execution when accessing a malicious website while Vitest API server is listening

high@modelcontextprotocol/sdk@1.0.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.0.0GHSA-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.

configGMAIL_MCP_CONCURRENCY— export ="5" # parallel API fetch limit

configGMAIL_MCP_CONFIG_DIR— export ="$HOME/.config/gmail-mcp" # token storage dir

configGMAIL_MCP_CREDENTIALS_PATH— export ="./credentials.json" # credentials location

configGMAIL_MCP_LOG_LEVEL— export ="info" # debug info warn error

configGMAIL_MCP_MAX_ATTACHMENT_BYTES— export ="5242880" # 5 MB inline attachment cap

configGMAIL_MCP_MAX_BODY_BYTES— export ="5242880" # 5 MB email body cap

configGMAIL_MCP_REDIRECT_PORT— export ="3000" # OAuth callback port

🔐 secretGMAIL_MCP_TOKEN_KEY— export ="your-64-char-hex-key-here"

// 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 4 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/ndungukamami-sketch-gmail-mcp-server-1v5y1e)](https://m8ven.ai/mcp/ndungukamami-sketch-gmail-mcp-server-1v5y1e)

commit: 941b2345b0510ec9a38cbb9ebd949ceb5e15e44f

code hash: 6a237bf3f6fd4a1f589ab636c925d73fe758a216e2728948b1d2427cd909e2eb

verified: 6/9/2026, 10:37:25 AM

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