This record as markdown: /tools/kiln/export-model-3mf.md
What export_model_3mf does on Kiln
AI agents use export_model_3mf to create or update resources in Kiln, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Kiln environment.
Why export_model_3mf is rated Medium
Exporting a model is a write-class operation that creates output data (the 3MF file) but does not destructively modify the original model or system state. In a 3D printer control context, this is a non-destructive action. Medium severity reflects potential for data exfiltration or unintended file creation, though effects are generally contained.
From the tool's definition Tool name 'export_model_3mf' indicates export/serialization of a 3D model to 3MF format, a reversible write operation. Description is empty, reducing precision.
Attacks that exploit this kind of access
The rule that runs export_model_3mf safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Kiln, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For export_model_3mf, this is the rule to start with:
export_model_3mf 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.
The button opens the PolicyLayer dashboard: create your workspace, connect Kiln, apply this rule, and every export_model_3mf call is checked against it from then on.
Questions about export_model_3mf
export_model_3mf is a write tool on the Kiln MCP server. It is categorised as a Write tool in the Kiln MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Kiln MCP server in PolicyLayer and add a rule for export_model_3mf: 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 Kiln. Nothing to install.
export_model_3mf 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 export_model_3mf 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 export_model_3mf. 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.
export_model_3mf is provided by the Kiln MCP server (codeofaxel/Kiln). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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