google_sheet_save · MCP API Bridge Server MCP: Risk & Policy

WHAT IT DOES

What google_sheet_save does on MCP API Bridge Server

AI agents use google_sheet_save to create or update resources in MCP API Bridge Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your MCP API Bridge Server environment.

WHY IT NEEDS A POLICY

Why google_sheet_save needs a policy

The tool generates code to save/overwrite Google Sheets data. While the description is in Chinese and somewhat unclear, the name 'save' and context of modifying entire spreadsheets indicates a Write operation. It does not irreversibly delete (Destructive), execute arbitrary commands (Execute), or involve money (Financial).

From the tool's definition Tool name 'google_sheet_save' combined with description mentioning '覆蓋整張試算表' (overwrite entire spreadsheet) indicates modification of spreadsheet data.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

google_sheet_save Rate-limited

google_sheet_save stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "google_sheet_save": {
      "limits": [
        {
          "counter": "google_sheet_save_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches MCP API Bridge Server, so you can run agents against it safely.

FAQ

Questions about google_sheet_save

What does the google_sheet_save tool do? +

產生使用 Google Sheets API 覆蓋整張試算表的程式碼範例. It is categorised as a Write tool in the MCP API Bridge Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on google_sheet_save? +

Register the MCP API Bridge Server MCP server in PolicyLayer and add a rule for google_sheet_save: 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 MCP API Bridge Server. Nothing to install.

What risk level is google_sheet_save? +

google_sheet_save is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit google_sheet_save? +

Yes. Add a rate_limit block to the google_sheet_save 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.

How do I block google_sheet_save completely? +

Set action: deny in the PolicyLayer policy for google_sheet_save. 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.

What MCP server provides google_sheet_save? +

google_sheet_save is provided by the MCP API Bridge Server MCP server (marty5499/mcp-api-bridge). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.