Low Risk

fit_all

Fit all objects in the current view. Adjusts the camera to show all visible objects in the document. Args: doc_name: Document to fit view for. Uses active document if None. Returns: Dictionary with result: - success: Whether operation was successful

How to control fit_all ↓

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

Low Risk

This tool only adjusts the camera/viewport perspective to frame all visible objects. It does not modify, create, delete, or execute any data — it is purely a view/display operation with no side effects on the document's data.

From the tool's definition Fit all objects in the current view. Adjusts the camera to show all visible objects in the document.

Risk signalsBulk/mass operation — affects multiple targets

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

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

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

fit_all 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 FreeCAD Robust 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.
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Free to start. No card required.

Go deeper

What does the fit_all tool do? +

Fit all objects in the current view. Adjusts the camera to show all visible objects in the document. Args: doc_name: Document to fit view for. Uses active document if None. Returns: Dictionary with result: - success: Whether operation was successful. 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 fit_all? +

Register the FreeCAD Robust MCP Server MCP server in PolicyLayer and add a rule for fit_all: 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 fit_all? +

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

Can I rate-limit fit_all? +

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

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

fit_all 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.

Enforce policy on every FreeCAD Robust MCP Server tool call.

Deterministic rules across all 152 FreeCAD Robust MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

Free to start. No card required.

152 FreeCAD Robust MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.

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