lmdat/google-sheet-oauth-mcp (lmdat/google-sheets-oauth-mcp) is an MCP server listed on the M8ven Trust Index. M8ven has not graded it: we have no way to read this server ourselves. No publisher has claimed this listing.

Back to MCP Trust Indexm8ven
C
Emerging
74/100
2 months ago

lmdat/google-sheet-oauth-mcp

Enables local MCP server for reading, writing, creating Google Sheets and charts via OAuth, acting as the logged-in user without manual sharing.

→ lmdat/google-sheets-oauth-mcp· listed on glama

Emerging. No concerning findings. Grades remain capped until the project builds reputation through adoption. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.

How we verified

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Who stands behind it

lmdat

Source: Glama

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// key findings
✅
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 1 credential: GOOGLE_OAUTH_CLIENT_SECRET
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// 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_OAUTH_CLIENT_IDexport ="xxx.apps.googleusercontent.com"
🔐 secretGOOGLE_OAUTH_CLIENT_SECRETexport ="GOCSPX-xxx"
configGOOGLE_OAUTH_REDIRECT_PORT53682 Port bị chương trình khác chiếm dụng
configMCP_GSHEETS_TOKEN_DIR~/.mcp-google-sheets Muốn lưu file token ở vị trí khác
// quality suggestions

Tool annotations

No tools have read-only/destructive annotations

Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.

All four hints declared on every tool

9/9 tools missing one or more hints — drive_list_spreadsheets (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); sheets_create (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); sheets_read (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +6 more. OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.

For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.

Tool inputs are validated

6/9 tool handlers declare input schemas (67%)

Declare an inputSchema with zod/joi/yup on every tool definition.

Tests exist

No test files found

Add tests that exercise each declared tool.

Claim the listing to review these findings one by one and send us a correction where you disagree, straight to the team. Claiming also means we tell you when the grade moves, and reach you first if we find anything urgent.

// full audit trail
The findings above are the summary. The full trail, every check we ran, each deduction, the network hosts observed and the dependency advisories, goes to verified publishers, along with an alert whenever a new one lands. Verified publishers can also review each finding and dispute it in one click. Publisher corrections have sharpened several of our checks this month, because the maintainer knows the codebase better than any scanner.
// 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/lmdat-google-sheet-oauth-mcp-1tjbid)](https://m8ven.ai/mcp/lmdat-google-sheet-oauth-mcp-1tjbid)
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commit: 6fb2077066ecf0bc03c242e95f9bb4a44cdc51e9
code hash: c52e144b60be79d4d25c9beb35f253d909495d582a25a4142513f6787ab030c1
verified: 6/28/2026, 9:08:33 AM
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