google-workspace.sheets_values_append

Append rows to a spreadsheet after the last row with data

SERVERCoWork OS SOURCECoWork-OS/CoWork-OS

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/cowork-os/google-workspace.sheets-values-append.md

WHAT IT DOES

What google-workspace.sheets_values_append does on CoWork OS

AI agents use google-workspace.sheets_values_append to create or update resources in CoWork OS, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your CoWork OS environment.

RISK

Why google-workspace.sheets_values_append is rated Medium

This tool creates new data (rows) in a spreadsheet through a write operation. While reversible (appended rows can be deleted), it modifies existing documents and could impact shared data if misused by an agent. The blast radius depends on access permissions and spreadsheet sensitivity, but the action itself is Write-category. Not Destructive because appending is non-destructive and can be undone.

From the tool's definition Tool description: 'Append rows to a spreadsheet after the last row with data' — appending is a reversible modification of data in Google Sheets.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs google-workspace.sheets_values_append safely

PolicyLayer is an MCP gateway: it sits between your AI agents and CoWork OS, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For google-workspace.sheets_values_append, this is the rule to start with:

google-workspace.sheets_values_append Rate-limited

google-workspace.sheets_values_append 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-workspace.sheets_values_append": {
      "limits": [
        {
          "counter": "google-workspace.sheets_values_append_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect CoWork OS, apply this rule, and every google-workspace.sheets_values_append call is checked against it from then on.

FAQ

Questions about google-workspace.sheets_values_append

What does the google-workspace.sheets_values_append tool do? +

Append rows to a spreadsheet after the last row with data. It is categorised as a Write tool in the CoWork OS 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-workspace.sheets_values_append? +

Register the CoWork OS MCP server in PolicyLayer and add a rule for google-workspace.sheets_values_append: 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 CoWork OS. Nothing to install.

What risk level is google-workspace.sheets_values_append? +

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

Can I rate-limit google-workspace.sheets_values_append? +

Yes. Add a rate_limit block to the google-workspace.sheets_values_append 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-workspace.sheets_values_append completely? +

Set action: deny in the PolicyLayer policy for google-workspace.sheets_values_append. 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-workspace.sheets_values_append? +

google-workspace.sheets_values_append is provided by the CoWork OS MCP server (CoWork-OS/CoWork-OS). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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