This record as markdown: /tools/kiln/list-design-components.md
What list_design_components does on Kiln
AI agents call list_design_components to retrieve information from Kiln without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why list_design_components is rated Low
The tool name begins with 'list', which by convention retrieves or queries data without side effects. In the context of 3D printer control and design management (suggested by sibling tools like 'add_mesh_fillet', 'analyze_design_requirements'), this most likely enumerates existing design components. No evidence of mutation, deletion, execution, or financial impact.
From the tool's definition Tool name 'list_design_components' indicates a retrieval operation. The verb 'list' is a standard Read operation that queries or enumerates data without modification.
Attacks that exploit this kind of access
The rule that runs list_design_components 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 list_design_components, this is the rule to start with:
list_design_components is read-only, so it stays allowed. 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 list_design_components call is checked against it from then on.
Questions about list_design_components
list_design_components is a read tool on the Kiln MCP server. It is categorised as a Read tool in the Kiln MCP Server, which means it retrieves data without modifying state.
Register the Kiln MCP server in PolicyLayer and add a rule for list_design_components: 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.
list_design_components 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 list_design_components 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 list_design_components. 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.
list_design_components 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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