Set the placement (position and rotation) of a FreeCAD object. Args: object_name: Name of the object to move. position: Position as [x, y, z]. Keeps current if None. rotation: Rotation as [yaw, pitch, roll] in degrees. Keeps current if None. doc_name: Document containing the object. Uses active d...
AI agents use set_placement to create or update resources in FreeCAD Robust MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your FreeCAD Robust MCP Server environment.
This tool creates or modifies object state (position and rotation coordinates) within a FreeCAD document, which is characteristic of Write operations. The changes are reversible—an AI agent could reposition objects back to original locations. While it affects the 3D model structure, it does not execute arbitrary code, delete data irreversibly, or trigger financial transactions.
From the tool's definition Tool modifies the placement (position and rotation) of a FreeCAD object via 'Set the placement' and 'move' operations. Changes are reversible by setting different placement values.
Documented attack patterns abuse exactly the kind of access set_placement 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 set_placement:
{
"version": "1",
"default": "deny",
"tools": {
"set_placement": {
"limits": [
{
"counter": "set_placement_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}set_placement stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
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Set the placement (position and rotation) of a FreeCAD object. Args: object_name: Name of the object to move. position: Position as [x, y, z]. Keeps current if None. rotation: Rotation as [yaw, pitch, roll] in degrees. Keeps current if None. doc_name: Document containing the object. Uses active document if None. Returns: Dictionary with new placement: - position: New position [x, y, z] - rotation: New rotation angles. It is categorised as a Write tool in the FreeCAD Robust MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the FreeCAD Robust MCP Server MCP server in PolicyLayer and add a rule for set_placement: 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.
set_placement is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the set_placement 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 set_placement. 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.
set_placement 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.
Free to start. No card required.
152 FreeCAD Robust MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.