scratchpad_write_file · TTG Scratchpad MCP Server MCP

WHAT IT DOES

What scratchpad_write_file does on TTG Scratchpad MCP Server

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

WHY IT NEEDS A POLICY

Why scratchpad_write_file needs a policy

This tool creates or modifies file content within an isolated workspace, which is reversible (files can be read, updated, or deleted by other tools like scratchpad_delete_file). It does not irreversibly destroy data, execute arbitrary code, or perform financial operations. The 'Write' category applies as the primary action is data modification.

From the tool's definition Tool name 'scratchpad_write_file' and description 'Write content to a file in the scratchpad workspace' explicitly indicate creation or modification of data.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

scratchpad_write_file Rate-limited

scratchpad_write_file 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": {
    "scratchpad_write_file": {
      "limits": [
        {
          "counter": "scratchpad_write_file_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 TTG Scratchpad MCP Server, so you can run agents against it safely.

FAQ

Questions about scratchpad_write_file

What does the scratchpad_write_file tool do? +

Write content to a file in the scratchpad workspace. It is categorised as a Write tool in the TTG Scratchpad 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 scratchpad_write_file? +

Register the TTG Scratchpad MCP Server MCP server in PolicyLayer and add a rule for scratchpad_write_file: 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 TTG Scratchpad MCP Server. Nothing to install.

What risk level is scratchpad_write_file? +

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

Can I rate-limit scratchpad_write_file? +

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

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

scratchpad_write_file is provided by the TTG Scratchpad MCP Server MCP server (mrgizmo212/scratchpad-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.