Google Workspace MCP Server (bread-wood/google-workspace-mcp) is an MCP server listed on the M8ven Trust Index. M8ven has not graded it: there is no public source to read and no endpoint we can reach, so there is nothing for us to inspect. No publisher has claimed this listing.
A self-hosted MCP server providing Claude with authenticated access to Google Calendar, Gmail, Drive, Docs, Sheets, and Slides via 43 tools and secure OAuth2.
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.
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bread-wood
Source: Glama
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Install from
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Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
When Vitest UI server is listening, arbitrary file can be read and executed
ARCHIVE_FOLDER_NAMEARCHIVED Name of the archive folder in DriveAUTH_TIMEOUT_MS300000 OAuth flow timeout (ms)GOOGLE_CLIENT_IDexport ="your-client-id.apps.googleusercontent.com"GOOGLE_CLIENT_SECRETexport ="your-client-secret"LOG_LEVELinfo Log level: debug, info, warn, errorMAX_CONTENT_LENGTH50000 Max content length before truncationAll four hints declared on every tool
38/38 tools missing one or more hints — auth_status (missing: openWorldHint); calendar_create_calendar (missing: openWorldHint); calendar_create_event (missing: openWorldHint), +35 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
31/38 tool handlers declare input schemas (82%)
Declare an inputSchema with zod/joi/yup on every tool definition.
License file
No license file
Add a LICENSE file (MIT, Apache-2.0, etc.).
Shell command execution
1 child_process/subprocess call in production code — runs shell commands (src/auth/token-store.ts:32)
Prefer library functions over shell-outs. If you must shell out, ensure all inputs are properly escaped.
Dev dependencies
1 critical/high in dev-only deps (does not ship to users)
Upgrade dev dependencies when convenient.
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