get_screenshot

A read tool on the FreeCAD Robust MCP server.

SERVERFreeCAD Robust MCP Server SOURCEspkane/freecad-addon-robust-mcp-server

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/spkane-freecad-addon-robust-mcp-server/get-screenshot.md

WHAT IT DOES

What get_screenshot does on FreeCAD Robust MCP Server

AI agents call get_screenshot to retrieve information from FreeCAD Robust MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why get_screenshot is rated Low

The get_screenshot tool retrieves visual data from FreeCAD's current state without creating, modifying, or destroying any data. This is a read-only operation that captures the UI state. No side effects occur. The low severity reflects minimal risk: screenshot data cannot harm the system, though it could expose model details to the AI agent.

From the tool's definition Tool name 'get_screenshot' indicates image capture/retrieval with no modification capability. Description is empty, but function name strongly suggests data retrieval operation (get_*).

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_screenshot safely

PolicyLayer is an MCP gateway: it sits between your AI agents and FreeCAD Robust MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_screenshot, this is the rule to start with:

get_screenshot Allowed

get_screenshot is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

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

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect FreeCAD Robust MCP Server, apply this rule, and every get_screenshot call is checked against it from then on.

FAQ

Questions about get_screenshot

What does the get_screenshot tool do? +

get_screenshot is a read tool on the FreeCAD Robust MCP Server MCP server. It is categorised as a Read tool in the FreeCAD Robust MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_screenshot? +

Register the FreeCAD Robust MCP Server MCP server in PolicyLayer and add a rule for get_screenshot: 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 FreeCAD Robust MCP Server. Nothing to install.

What risk level is get_screenshot? +

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

Can I rate-limit get_screenshot? +

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

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

get_screenshot is provided by the FreeCAD Robust MCP Server MCP server (spkane/freecad-addon-robust-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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