F
Warning
39/100
5 days ago

Google Workspace MCP Server

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Warning. Serious findings were identified. Review the full report before connecting. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.

How we verified

Code Verified⚡ Live Monitored: not connected

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⚡ Connect GitHub → continuous verification on every pushwhy connect →

Who stands behind it

WorldCentralKitchen

Source: Glama

Is this your MCP?

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// key findings
🚨
Reads files from sensitive locations
Touches: credentials, .credentials, credentials
🔐
You'll be asked for 3 credentials: FASTMCP_SERVER_AUTH_GOOGLE_JWT_SIGNING_KEY, GOOGLE_PSE_API_KEY, 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.
🔐 secretFASTMCP_SERVER_AUTH_GOOGLE_JWT_SIGNING_KEY
configWORKSPACE_MCP_OAUTH_PROXY_STORAGE_BACKEND
configWORKSPACE_MCP_OAUTH_PROXY_VALKEY_HOST
configFASTMCP_HOME
configWORKSPACE_MCP_ALLOWED_CLIENT_REDIRECT_URIS
configWORKSPACE_MCP_HOST
configWORKSPACE_MCP_TOOLS
configWORKSPACE_MCP_TOOL_TIER
configWORKSPACE_MCP_READ_ONLY
configWORKSPACE_MCP_PERMISSIONS
configWORKSPACE_MCP_TRANSPORT
configWORKSPACE_MCP_HTTP_PORT
configWORKSPACE_MCP_RESOLVED_PORT
configWORKSPACE_MCP_PORTexport =8000
configWORKSPACE_MCP_BASE_URI
configWORKSPACE_EXTERNAL_URL
configMCP_ENABLE_OAUTH21export =true
configMCP_SINGLE_USER_MODE
configWORKSPACE_MCP_DISABLED_TOOLS
🔐 secretGOOGLE_PSE_API_KEY
configGOOGLE_PSE_ENGINE_ID
configWORKSPACE_MCP_CREDENTIALS_DIR
configGOOGLE_MCP_CREDENTIALS_DIR
configWORKSPACE_MCP_GCS_BUCKET
configWORKSPACE_MCP_GCS_PREFIX
configWORKSPACE_MCP_GCS_REQUIRE_CMEK
configWORKSPACE_MCP_CREDENTIAL_STORE_BACKEND
configSESSION_TIME
configGOOGLE_CLIENT_SECRET_PATH
configGOOGLE_OAUTH_CLIENT_IDexport ="..."
🔐 secretGOOGLE_OAUTH_CLIENT_SECRETexport ="..."
configGOOGLE_OAUTH_REDIRECT_URIexport ="http://localhost:${WORKSPACE_MCP_PORT}/oauth2callback"
configOAUTHLIB_INSECURE_TRANSPORT
configOAUTHLIB_RELAX_TOKEN_SCOPE
configWORKSPACE_MCP_BRAND_NAME
configWORKSPACE_MCP_BRAND_ICON_URL
configWORKSPACE_MCP_BRAND_WEBSITE_URL
configEXTERNAL_OAUTH21_PROVIDER
configTRUST_GATEWAY_IDENTITY
configGATEWAY_IDENTITY_JWKS_URL
configGATEWAY_IDENTITY_HEADER
configGATEWAY_IDENTITY_ALGORITHMS
configGATEWAY_IDENTITY_ISSUER
configGATEWAY_IDENTITY_AUDIENCE
configWORKSPACE_MCP_STATELESS_MODE
configGOOGLE_SERVICE_ACCOUNT_KEY_FILE
configGOOGLE_SERVICE_ACCOUNT_KEY_JSON
configDWD_ALLOWED_DOMAINS
configOAUTH_CUSTOM_REDIRECT_URIS
configOAUTH_ALLOWED_ORIGINS
configWORKSPACE_ATTACHMENT_DIR
configWORKSPACE_MCP_URL
configWORKSPACE_MCP_COMMENTS_MAX
configWORKSPACE_MCP_LOG_DIR
configNO_COLOR
configTERM
configOTEL_EXPORTER_OTLP_ENDPOINT
configOTEL_EXPORTER_OTLP_TRACES_ENDPOINT
configOTEL_EXPORTER_OTLP_TRACES_PROTOCOL
configOTEL_EXPORTER_OTLP_PROTOCOL
Deployment configuration, supplied by whoever hosts the server. Users are not asked for these.
deployPORT
// quality suggestions

Tool annotations

91/92 tools have annotations

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

All four hints declared on every tool

3/92 tools missing one or more hints — func (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); search_directory_people (missing: destructiveHint); list_group_members (missing: destructiveHint). 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 test coverage

58/92 tools referenced in tests (63%)

Write tests that reference each tool by name so every tool has at least one test.

No access to sensitive paths

Reads sensitive paths: credentials, .credentials, credentials

Remove reads of sensitive system paths. If you genuinely need them, document why in the README.

Secrets not logged

12 secret values sent to console.log

Redact or omit secret values from log output.

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 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 Verified](https://m8ven.ai/badge/mcp/worldcentralkitchen-google-workspace-mcp-q2rc32?variant=verified)](https://m8ven.ai/mcp/worldcentralkitchen-google-workspace-mcp-q2rc32)
Shows verification status without the grade. Want the grade badge instead? Remove ?variant=verified from the URL.
commit: 4d490914ca525f8eec2cbf086c6e2cf1e91a5267
code hash: 13eb9d3ded9b46e0307cf1bac4bf303ee38e6b0fb0bdc07ddca7fbeb5aff57b5
verified: 8/14/2026, 9:53:05 AM
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