Gmail MCP Server

A Model Context Protocol server for Gmail that lets AI assistants read, send, search, label, and filter Gmail through natural language, with OAuth2 auto-authentication and full attachment support.

→ simiancraft/Gmail-MCP-Server · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 1 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.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

// known CVEs in dependencies1 high1 medium2 low

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

highnodemailer@7.0.3GHSA-rcmh-qjqh-p98v

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

mediumnodemailer@7.0.3GHSA-mm7p-fcc7-pg87

Nodemailer: Email to an unintended domain can occur due to Interpretation Conflict

lownodemailer@7.0.3GHSA-c7w3-x93f-qmm8

Nodemailer has SMTP command injection due to unsanitized `envelope.size` parameter

lownodemailer@7.0.3GHSA-vvjj-xcjg-gr5g

Nodemailer Vulnerable to SMTP Command Injection via CRLF in Transport name Option (EHLO/HELO)

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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.

configGMAIL_CREDENTIALS_PATH— path to the stored user token JSON

configGMAIL_OAUTH_PATH— path to the client keys JSON

// 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 1 concrete improvement 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/simiancraft-gmail-mcp-server-1rg3q6)](https://m8ven.ai/mcp/simiancraft-gmail-mcp-server-1rg3q6)

commit: c7374a65447388a7b2dda5c3a55ee1ba7b632420

code hash: e538493e5f6a36060c735ae627480cf091a0e0b1645b2351077091c9b54b2e9d

verified: 6/14/2026, 10:07:25 AM

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