Hardened Google Workspace MCP

Item: Hardened Google Workspace MCP
Rating: 2
Author: M8ven

A security-hardened integration that enables Claude to interact with Google Workspace tools like Gmail, Drive, and Docs while preventing data exfiltration by disabling features like email sending and external file sharing. It allows users to safely manage emails, documents, and calendars through natural language without risking unauthorized external communication.

→ c0webster/hardened-google-workspace-mcp · listed on glama

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// key findings

🚨

Reads files from sensitive locations

Touches: .credentials, credentials, .credentials

🔐

You'll be asked for 2 credentials: GOOGLE_OAUTH_CLIENT_SECRET, FASTMCP_SERVER_AUTH_GOOGLE_JWT_SIGNING_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_OAUTH_CLIENT_ID— e ="YOUR_CLIENT_ID" \

configGOOGLE_MCP_CREDENTIALS_DIR

configGOOGLE_CLIENT_SECRET_PATH

🔐 secretGOOGLE_OAUTH_CLIENT_SECRET— e ="YOUR_CLIENT_SECRET" \

configGOOGLE_OAUTH_REDIRECT_URI

configOAUTHLIB_INSECURE_TRANSPORT

configMCP_SINGLE_USER_MODE

configWORKSPACE_MCP_BASE_URI

configPORT

configWORKSPACE_MCP_PORT

configWORKSPACE_EXTERNAL_URL

configMCP_ENABLE_OAUTH21

configEXTERNAL_OAUTH21_PROVIDER

configWORKSPACE_MCP_STATELESS_MODE

configOAUTH_CUSTOM_REDIRECT_URIS

configOAUTH_ALLOWED_ORIGINS

🔐 secretFASTMCP_SERVER_AUTH_GOOGLE_JWT_SIGNING_KEY

configWORKSPACE_MCP_OAUTH_PROXY_STORAGE_BACKEND

configWORKSPACE_MCP_OAUTH_PROXY_VALKEY_HOST

configFASTMCP_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 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/c0webster-hardened-google-workspace-mcp-5w2r8v)](https://m8ven.ai/mcp/c0webster-hardened-google-workspace-mcp-5w2r8v)

commit: a3f8756b7e25512808efbddc7b93b1a2f7f1fc55

code hash: 8352e2759a5843366bf9415fef4cdcf7da6d66dd97907330763b002142de6775

verified: 6/17/2026, 12:09:48 PM

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