list_script_projects_tool

THE RISK

Low Risk

Why list_script_projects_tool needs a policy

This tool retrieves and enumerates existing Apps Script projects. It performs a query operation that returns information without creating, modifying, executing code, deleting, or moving money. The blast radius of misuse is minimal — an attacker gains visibility into which projects exist but cannot alter or execute them. This is a standard Read category tool.

From the tool's definition Tool name explicitly includes 'list' and description states it 'List[s] Google Apps Script projects accessible to the user' — a retrieval operation with no modification or side effects.

Documented attack patterns abuse exactly the kind of access list_script_projects_tool gives an agent:

POLICY

How to control list_script_projects_tool

PolicyLayer is an MCP gateway — it sits between your AI agents and Apps Script MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for list_script_projects_tool:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "list_script_projects_tool": {}
  }
}

list_script_projects_tool is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Apps Script MCP — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

More Apps Script MCP tools

Destructive delete_deployment_tool Delete a deployment. Destructive delete_drive_file_tool Permanently delete a file from Google Drive. Destructive delete_event_tool Delete a calendar event. Destructive delete_script_project_tool Delete an Apps Script project. Destructive delete_task_tool Delete a task from Google Tasks. Destructive remove_drive_permission_tool Remove a permission from a file or folder. Destructive trash_drive_file_tool Move a file to trash in Google Drive (recoverable). Execute run_script_function_tool run_script_function_tool

All 60 Apps Script MCP tools →

Read tools on other servers

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about list_script_projects_tool

What does the list_script_projects_tool tool do? +

List Google Apps Script projects accessible to the user. It is categorised as a Read tool in the Apps Script MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_script_projects_tool? +

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

What risk level is list_script_projects_tool? +

list_script_projects_tool is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit list_script_projects_tool? +

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

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

list_script_projects_tool is provided by the Apps Script MCP server (sam-ent/google-automation-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Apps Script MCP tool call.

Start from Apps Script MCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →