Low Risk

paserver_scratch_dir

paserver_scratch_dir

How to control paserver_scratch_dir ↓

What paserver_scratch_dir does on Claude Pascal MCP Server

AI agents call paserver_scratch_dir to retrieve information from Claude Pascal MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Low Risk

Why paserver_scratch_dir needs a policy

The tool name indicates a query or retrieval operation (getting a scratch directory location), which aligns with Read category behavior. Without a description, confidence is moderate. No evidence of data modification, deletion, code execution, or financial impact. The broader server context involves GUI automation and device interaction, but this specific tool appears to be informational/path-retrieval only.

From the tool's definition Tool name 'paserver_scratch_dir' suggests retrieval of a scratch directory path or configuration. Description is empty, limiting definitive classification.

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

How to control paserver_scratch_dir

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

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "paserver_scratch_dir": {}
  }
}

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

  1. Create a free account and register Claude Pascal MCP Server — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
CAP THIS TOOL →

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Related tools and policies

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Questions about paserver_scratch_dir

What does the paserver_scratch_dir tool do? +

paserver_scratch_dir. It is categorised as a Read tool in the Claude Pascal MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on paserver_scratch_dir? +

Register the Claude Pascal MCP Server MCP server in PolicyLayer and add a rule for paserver_scratch_dir: 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 Claude Pascal MCP Server. Nothing to install.

What risk level is paserver_scratch_dir? +

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

Can I rate-limit paserver_scratch_dir? +

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

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

paserver_scratch_dir is provided by the Claude Pascal MCP Server MCP server (tina4stack/claude-pascal-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Claude Pascal MCP Server tool call.

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

Free to start. No card required.

53 Claude Pascal MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.

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