AI agents call spreadsheet_get_cell_range 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 cell data without creating, modifying, or deleting anything. It fits the 'Read' category as a data retrieval operation with minimal blast radius if misused by an AI agent—worst case being exposure of spreadsheet contents already accessible within FreeCAD.
From the tool's definition Tool name 'spreadsheet_get_cell_range' indicates retrieval of cell data from a spreadsheet. The 'get' verb and lack of modification language suggest read-only querying.
Documented attack patterns abuse exactly the kind of access spreadsheet_get_cell_range 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_cell_range:
{
"version": "1",
"default": "deny",
"tools": {
"spreadsheet_get_cell_range": {}
}
}spreadsheet_get_cell_range 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_cell_range. 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_cell_range: 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_cell_range 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_cell_range 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_cell_range. 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_cell_range 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.