AI agents call get_command_history to retrieve information from Mcp Freecad without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries existing command history from FreeCAD without creating, modifying, deleting, or executing any operations. It is a read-only data retrieval operation with no side effects, fitting the Read category. Severity is low because exposing command history poses minimal risk—it does not enable destructive actions, financial harm, or arbitrary code execution.
From the tool's definition Tool name 'get_command_history' and description 'Get recent command execution history' indicate retrieval of historical data without modification or execution of new commands.
Documented attack patterns abuse exactly the kind of access get_command_history gives an agent:
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 get_command_history:
{
"version": "1",
"default": "deny",
"tools": {
"get_command_history": {}
}
}get_command_history is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get recent command execution history. It is categorised as a Read tool in the Mcp Freecad MCP Server, which means it retrieves data without modifying state.
Register the Mcp Freecad MCP server in PolicyLayer and add a rule for get_command_history: 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.
get_command_history 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 get_command_history 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 get_command_history. 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.
get_command_history 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.
Start from Mcp Freecad, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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34 Mcp Freecad tools catalogued and risk-classified — across an index of 43,000+ MCP servers.