AI agents call marketplace_info to retrieve information from Kiln without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool name strongly indicates information retrieval ('marketplace_info' = retrieve marketplace data), with no verbs suggesting modification, deletion, execution, or financial operations. The empty description reduces confidence, but the naming pattern and server context support classifying this as a Read operation. No blast radius concern for misuse of informational queries.
From the tool's definition Tool name 'marketplace_info' suggests retrieval of marketplace information; description is empty, limiting confidence. Sibling tools include numerous printer control and design tools, suggesting this server manages 3D printing operations.
Attacks that exploit this kind of access
marketplace_info. 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 marketplace_info: 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.
marketplace_info 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 marketplace_info 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 marketplace_info. 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.
marketplace_info 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.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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