Complete Google OAuth after start_google_auth.
AI agents use complete_google_auth to create or update resources in Google Workspace Mcp Advanced — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Google Workspace Mcp Advanced environment.
This tool completes an OAuth authentication flow, which writes/establishes an authenticated session or stores OAuth tokens. It is reversible (tokens can be revoked) and has no direct data manipulation, but granting OAuth access could enable broad permissions across Google Workspace services, making the severity medium.
From the tool's definition Complete Google OAuth after `start_google_auth`
Attacks that exploit this kind of access
Complete Google OAuth after start_google_auth. It is categorised as a Write tool in the Google Workspace Mcp Advanced MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Google Workspace Mcp Advanced MCP server in PolicyLayer and add a rule for complete_google_auth: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Google Workspace Mcp Advanced. Nothing to install.
complete_google_auth is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the complete_google_auth rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for complete_google_auth. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
complete_google_auth is provided by the Google Workspace Mcp Advanced MCP server (skeptomenos/google-workspace-mcp-advanced). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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