mcp-google-multi

Gives MCP clients access to Google Workspace (Gmail, Drive, Calendar, Sheets, Docs, etc.) across multiple Google accounts simultaneously.

→ bakissation/mcp-google-multi · listed on glama

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// key findings

⚠️

Tool descriptions don’t match what handlers do

1 tool describes read intent but its handler mutates — gmail_download_attachment (line 294: fs.promises.writeFile(fullPath, buffer))

🚨

Known vulnerabilities in dependencies: 1 critical

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

🔐

You'll be asked for 2 credentials: GOOGLE_CLIENT_SECRET, MASTER_KEY

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

// required environment variables

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

configGOOGLE_ACCOUNTS— GOOGLE_CLIENT_ID, GOOGLE_CLIENT_SECRET, , MASTER_KEY, GOOGLE_PROFILE

configGOOGLE_CLIENT_ID— , GOOGLE_CLIENT_SECRET, GOOGLE_ACCOUNTS, MASTER_KEY, GOOGLE_PROFILE

🔐 secretGOOGLE_CLIENT_SECRET— GOOGLE_CLIENT_ID, , GOOGLE_ACCOUNTS, MASTER_KEY, GOOGLE_PROFILE

🔐 secretMASTER_KEY— GOOGLE_CLIENT_ID, GOOGLE_CLIENT_SECRET, GOOGLE_ACCOUNTS, , GOOGLE_PROFILE

configTOKEN_STORE_PATH— Restart your MCP client and the tools appear. Tokens are written encrypted to ~/.config/mcp-google-multi/tokens/ (override with ) — useless to anyone without your MASTER_KEY.

configXDG_CONFIG_HOME

// 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 8 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/bakissation-mcp-google-multi-1elz3s)](https://m8ven.ai/mcp/bakissation-mcp-google-multi-1elz3s)

commit: 19b779cd626bc08c35446877f4cb141ff4111132

code hash: 3126a1b5d38247d7b337f1c4afdc7954c83c1cce1b0f2229fea2c7bd51dd8a45

verified: 6/9/2026, 10:40:45 AM

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