activate_workbench
A execute tool on the FreeCAD Robust MCP server.
This record as markdown: /tools/spkane-freecad-addon-robust-mcp-server/activate-workbench.md
What activate_workbench does on FreeCAD Robust MCP Server
AI agents invoke activate_workbench to trigger actions in FreeCAD Robust MCP Server. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call: builds kicked off, notifications sent, workflows started.
Why activate_workbench is rated High
Activating a workbench in FreeCAD triggers an external operation within the FreeCAD application, switching the active environment/module. This is an Execute-level action as it changes application state. Confidence is low due to empty description, but the name and server context suggest it triggers an external operation in FreeCAD rather than simply reading data or writing persistent model data.
From the tool's definition Tool name 'activate_workbench' in a FreeCAD MCP server context; description is empty and uninformative.
Attacks that exploit this kind of access
The rule that runs activate_workbench 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 activate_workbench, this is the rule to start with:
activate_workbench stays usable, but rate-capped: a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect FreeCAD Robust MCP Server, apply this rule, and every activate_workbench call is checked against it from then on.
Questions about activate_workbench
activate_workbench is a execute tool on the FreeCAD Robust MCP Server MCP server. It is categorised as a Execute tool in the FreeCAD Robust MCP Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the FreeCAD Robust MCP Server MCP server in PolicyLayer and add a rule for activate_workbench: 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.
activate_workbench is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.
Yes. Add a rate_limit block to the activate_workbench 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 activate_workbench. 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.
activate_workbench 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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