This record as markdown: /tools/kiln/recommend-design-material.md
What recommend_design_material does on Kiln
AI agents call recommend_design_material 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 recommend_design_material is rated Low
The name implies retrieving or recommending material properties/options for a design, which is a read-only query operation. No evidence of creation, modification, deletion, execution, or financial impact. Confidence is moderate because the empty description prevents confirmation that the tool does not perform any side effects or write operations.
From the tool's definition Tool name 'recommend_design_material' suggests a lookup or suggestion operation with no modification capability. Description is empty, limiting definitive classification.
Attacks that exploit this kind of access
The rule that runs recommend_design_material 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 recommend_design_material, this is the rule to start with:
recommend_design_material 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 recommend_design_material call is checked against it from then on.
Questions about recommend_design_material
recommend_design_material 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 recommend_design_material: 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.
recommend_design_material 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 recommend_design_material 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 recommend_design_material. 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.
recommend_design_material 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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