google_sheet_write_data · ContextCore MCP: Risk & Policy

WHAT IT DOES

What google_sheet_write_data does on ContextCore MCP

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

WHY IT NEEDS A POLICY

Why google_sheet_write_data needs a policy

This tool creates or modifies data in Google Sheets, which is reversible (can be undone/edited). It is categorized as Write rather than Read (no retrieval), Execute (no command/code execution), Destructive (modifications are typically reversible), or Financial (no direct money movement).

From the tool's definition Tool name 'google_sheet_write_data' explicitly indicates data writing to Google Sheets. Description is empty, but the function name is unambiguous: 'write_data' implies creating or modifying spreadsheet content.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

google_sheet_write_data Rate-limited

google_sheet_write_data 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_write_data": {
      "limits": [
        {
          "counter": "google_sheet_write_data_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 ContextCore MCP, so you can run agents against it safely.

FAQ

Questions about google_sheet_write_data

What does the google_sheet_write_data tool do? +

google_sheet_write_data. It is categorised as a Write tool in the ContextCore MCP 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_write_data? +

Register the ContextCore MCP server in PolicyLayer and add a rule for google_sheet_write_data: 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 ContextCore MCP. Nothing to install.

What risk level is google_sheet_write_data? +

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

Can I rate-limit google_sheet_write_data? +

Yes. Add a rate_limit block to the google_sheet_write_data 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_write_data completely? +

Set action: deny in the PolicyLayer policy for google_sheet_write_data. 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_write_data? +

google_sheet_write_data is provided by the ContextCore MCP server (rkpraveendev/contextcore-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.