Google Workspace MCP (hoaaah/google-workspace-mcp-server) is an MCP server listed on the M8ven Trust Index. It scores 89 out of 100, grade B. It declares 27 tools. The publisher has proved control of what we score (Verified Publisher). It is connected through the M8ven GitHub App, so the listing is re-checked on every push.

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B
Caution
89/100
1 day ago

Google Workspace MCP

MCP server for Google Workspace integration with OAuth2 authentication

→ hoaaah/google-workspace-mcp-server

Caution. Specific findings reduced this grade. They are listed on the page. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.

How we verified

Sandbox Verified⚡ Live Monitored

Monitored 8 days · every push re-verified

Who stands behind it

gmail.com (@hoaaah) · Verified Publisher

Source: Publisher

Install from

GitHub

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

// key findings
⚠️
Tool annotations don’t match behaviour
1 read-only tool performs write/delete/exec — drive_download_file (line 357: dest.write_bytes(buf.getvalue()))
✅
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.
🔐
You'll be asked for 2 credentials: GOOGLE_WORKSPACE_MCP_TOKEN, GOOGLE_WORKSPACE_MCP_CLIENT_SECRET
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
Are you the publisher? Confirm or correct these findings.
// environment variables
To run this server yourself, you supply these values. They go in your own MCP client configuration and stay on your machine. The secret label means the value is sensitive, not that the server mishandles it.
configGOOGLE_WORKSPACE_MCP_CREDENTIALSOr override the location using the environment variable.
🔐 secretGOOGLE_WORKSPACE_MCP_TOKEN
configGOOGLE_WORKSPACE_MCP_CLIENT_IDSet and GOOGLE_WORKSPACE_MCP_CLIENT_SECRET
🔐 secretGOOGLE_WORKSPACE_MCP_CLIENT_SECRETSet GOOGLE_WORKSPACE_MCP_CLIENT_ID and
// quality suggestions

Tool annotations match behaviour

1 read-only tool performs write/delete/exec — drive_download_file (line 357: dest.write_bytes(buf.getvalue()))

Either remove the readOnlyHint:true annotation, or remove the write/delete call from the tool handler.

Tests exist

No test files found

Add tests that exercise each declared tool.

Secrets not written to files

1 secret value written to files

Avoid persisting secrets to disk. Keep them in memory or your secret manager.

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commit: 754f31336313fe8fd7c343224ec707baea01fb64
code hash: 2d95fb8a94e0fcb4c92823e944f79102f3a53469c558d95d05d39d03e8fe4094
verified: 9/8/2026, 8:59:31 PM
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