This record as markdown: /tools/kiln/check-material-sufficiency.md
What check_material_sufficiency does on Kiln
AI agents call check_material_sufficiency 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 check_material_sufficiency is rated Low
The tool appears to retrieve or assess material state without modifying or executing operations on the printer. However, confidence is moderate (0.7) because the description is empty; it could theoretically trigger actions if it had side effects, but the name strongly suggests a passive status check. If it merely returns material data, it is Read with low severity.
From the tool's definition Tool name 'check_material_sufficiency' implies querying or inspecting material/spool status to determine if enough filament exists for a print job.
Attacks that exploit this kind of access
The rule that runs check_material_sufficiency 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 check_material_sufficiency, this is the rule to start with:
check_material_sufficiency 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 check_material_sufficiency call is checked against it from then on.
Questions about check_material_sufficiency
check_material_sufficiency 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 check_material_sufficiency: 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.
check_material_sufficiency 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 check_material_sufficiency 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 check_material_sufficiency. 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.
check_material_sufficiency 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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