freecad_list_documents

THE RISK

Low Risk

Why freecad_list_documents needs a policy

This tool retrieves or queries data (list of documents) with no side effects. It does not create, modify, delete, or execute any operations. It is a purely informational read operation, making it the lowest risk category.

From the tool's definition Tool name 'freecad_list_documents' and description 'List all open documents in FreeCAD' indicate a query operation that retrieves information about existing documents without modifying, deleting, or executing operations.

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

POLICY

How to control freecad_list_documents

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

policy.json

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

freecad_list_documents 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 Mcp Freecad — 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

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All 34 Mcp Freecad tools →

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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 freecad_list_documents

What does the freecad_list_documents tool do? +

List all open documents in FreeCAD. It is categorised as a Read tool in the Mcp Freecad MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on freecad_list_documents? +

Register the Mcp Freecad MCP server in PolicyLayer and add a rule for freecad_list_documents: 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 Mcp Freecad. Nothing to install.

What risk level is freecad_list_documents? +

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

Can I rate-limit freecad_list_documents? +

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

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

freecad_list_documents is provided by the Mcp Freecad MCP server (jango-blockchained/mcp-freecad). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Mcp Freecad tool call.

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

CHECK YOUR STACK →