Gmail Multi-Inbox MCP Server

Item: Gmail Multi-Inbox MCP Server
Rating: 58
Author: M8ven

Enables AI assistants to manage multiple Gmail accounts simultaneously with built-in OAuth authentication, supporting email reading, sending, drafts, labels, and account management.

→ tszaks/ghub · listed on glama

Is this your MCP?

Claim it to get a verified publisher badge, a free copy of our full audit findings, and direct contact for any high-priority issues we find.

Install from

Glama

M8ven verifies MCPs across every public registry — install directly from whichever one you prefer.

// 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.

✅

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 dependencies3 high1 low

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

high@modelcontextprotocol/sdk@1.25.2GHSA-345p-7cg4-v4c7

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

highxlsx@0.18.5GHSA-4r6h-8v6p-xvw6

Prototype Pollution in sheetJS

highxlsx@0.18.5GHSA-5pgg-2g8v-p4x9

SheetJS Regular Expression Denial of Service (ReDoS)

lowmammoth@1.9.0GHSA-rmjr-87wv-gf87

Mammoth is vulnerable to Directory Traversal

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.

configGMAILMCPCONFIG_DIR— "": "/custom/path/.gmail-multi-mcp"

configGMAIL_MCP_CONFIG_DIR— The server also accepts the legacy env var.

configHOST

configMCP_ATTACHMENTS_DIR

configMCP_TRANSPORT— Set =sse to force HTTP/SSE mode.

configPORT— If is present, the server automatically switches to SSE mode.

// 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/tszaks-ghub-1q1fgj)](https://m8ven.ai/mcp/tszaks-ghub-1q1fgj)

commit: 9594d9221dfd6e9648e3678f7aa7277b79ee4f60

code hash: 25d2f43093f2b4185ec66a245a8410aa4a3e0e2be60fd09234f97be7121bf1cd

verified: 6/12/2026, 10:23:59 AM

view raw JSON →