get_selection

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-selection.md

WHAT IT DOES

What get_selection does on FreeCAD Robust MCP Server

AI agents call get_selection 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_selection is rated Low

This tool retrieves the current selection in FreeCAD, which is a read-only query with no side effects. Even with an empty description, the naming convention and peer tools strongly indicate it queries state rather than modifies it. Severity is low because selection data retrieval poses minimal risk to the FreeCAD project or system.

From the tool's definition Tool name 'get_selection' indicates retrieval of current selection state in FreeCAD. The absence of description is mitigated by context: sibling tools are all Write/Execute operations (add_sketch_*, activate_workbench), making 'get_selection' clearly a query…

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_selection 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_selection, this is the rule to start with:

get_selection Allowed

get_selection 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_selection": {}
  }
}

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_selection call is checked against it from then on.

FAQ

Questions about get_selection

What does the get_selection tool do? +

get_selection 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_selection? +

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

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

Can I rate-limit get_selection? +

Yes. Add a rate_limit block to the get_selection 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_selection completely? +

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

get_selection 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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