AI agents call spreadsheet_get_aliases 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.
This tool retrieves or queries spreadsheet alias data without side effects, fitting the Read category. The operation has minimal blast radius since it only accesses existing data. Confidence is moderately high based on naming conventions despite lack of description.
From the tool's definition Tool name 'spreadsheet_get_aliases' indicates retrieval of alias definitions from a FreeCAD spreadsheet. The 'get' verb and 'aliases' noun suggest data querying without modification. Description is empty, reducing confidence slightly.
Documented attack patterns abuse exactly the kind of access spreadsheet_get_aliases 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 spreadsheet_get_aliases:
{
"version": "1",
"default": "deny",
"tools": {
"spreadsheet_get_aliases": {}
}
}spreadsheet_get_aliases is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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spreadsheet_get_aliases. It is categorised as a Read tool in the FreeCAD Robust MCP Server MCP Server, which means it retrieves data without modifying state.
Register the FreeCAD Robust MCP Server MCP server in PolicyLayer and add a rule for spreadsheet_get_aliases: 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.
spreadsheet_get_aliases is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the spreadsheet_get_aliases 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.
Set action: deny in the PolicyLayer policy for spreadsheet_get_aliases. 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.
spreadsheet_get_aliases 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.
Deterministic rules across all 152 FreeCAD Robust MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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152 FreeCAD Robust MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.