clasp_create · Google Apps Script MCP Server MCP

WHAT IT DOES

What clasp_create does on Google Apps Script MCP Server

AI agents use clasp_create 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 clasp_create needs a policy

Creating a new Google Apps Script project is a Write action—it creates a new resource that can be modified or deleted later. The severity is medium because while project creation itself is reversible, a compromised GAS project could potentially expose Google Workspace data or enable unauthorized script execution.

From the tool's definition Tool name 'clasp_create' and description 'creates a new Google Apps Script project' indicates creation of a new resource. The CLASP (Command Line Apps Script Projects) tool creates a GAS project, which is a reversible write operation.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

clasp_create Rate-limited

clasp_create 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": {
    "clasp_create": {
      "limits": [
        {
          "counter": "clasp_create_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 Google Apps Script MCP Server, so you can run agents against it safely.

FAQ

Questions about clasp_create

What does the clasp_create tool do? +

新しいGoogle Apps Scriptプロジェクトを作成します. 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 clasp_create? +

Register the Google Apps Script MCP Server MCP server in PolicyLayer and add a rule for clasp_create: 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 clasp_create? +

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

Can I rate-limit clasp_create? +

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

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

clasp_create 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.