manage_gas_libraries · Google Apps Script MCP Server MCP

WHAT IT DOES

What manage_gas_libraries does on Google Apps Script MCP Server

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

WHY IT NEEDS A POLICY

Why manage_gas_libraries needs a policy

Library management in GAS involves adding, removing, updating, or modifying library dependencies in a project—these are reversible write operations that change project state.

From the tool's definition Tool name 'manage_gas_libraries' and description 'Google Apps Scriptのライブラリを管理します' (manage Google Apps Script libraries) indicates library management operations that modify the GAS project configuration and dependencies.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

manage_gas_libraries Rate-limited

manage_gas_libraries 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": {
    "manage_gas_libraries": {
      "limits": [
        {
          "counter": "manage_gas_libraries_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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Instant setup, no code required.

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

FAQ

Questions about manage_gas_libraries

What does the manage_gas_libraries tool do? +

Google Apps Scriptのライブラリを管理します. It is categorised as a Write tool in the Google Apps Script MCP 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 manage_gas_libraries? +

Register the Google Apps Script MCP Server MCP server in PolicyLayer and add a rule for manage_gas_libraries: 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 Apps Script MCP Server. Nothing to install.

What risk level is manage_gas_libraries? +

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

Can I rate-limit manage_gas_libraries? +

Yes. Add a rate_limit block to the manage_gas_libraries 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 manage_gas_libraries completely? +

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

manage_gas_libraries is provided by the Google Apps Script MCP Server MCP server (utakata/google-apps-script-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.