list_trusted_printers

Return the list of trusted printer hostnames/IPs.

SERVERKiln SOURCEcodeofaxel/Kiln

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/kiln/list-trusted-printers.md

WHAT IT DOES

What list_trusted_printers does on Kiln

AI agents call list_trusted_printers 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.

RISK

Why list_trusted_printers is rated Low

This tool queries and returns configuration data (trusted printer list) without modifying, executing commands on, or destructively affecting any system. It is a straightforward read operation that retrieves information for informational purposes only. Even in a multi-printer environment, exposure of this list poses minimal security risk compared to tools that actually control printer hardware or execute code.

From the tool's definition Tool name is 'list_trusted_printers' and description states 'Return the list of trusted printer hostnames/IPs' — purely a retrieval operation with no side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs list_trusted_printers 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_trusted_printers, this is the rule to start with:

list_trusted_printers Allowed

list_trusted_printers is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "list_trusted_printers": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Kiln, apply this rule, and every list_trusted_printers call is checked against it from then on.

FAQ

Questions about list_trusted_printers

What does the list_trusted_printers tool do? +

Return the list of trusted printer hostnames/IPs. It is categorised as a Read tool in the Kiln MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_trusted_printers? +

Register the Kiln MCP server in PolicyLayer and add a rule for list_trusted_printers: 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.

What risk level is list_trusted_printers? +

list_trusted_printers is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit list_trusted_printers? +

Yes. Add a rate_limit block to the list_trusted_printers 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.

How do I block list_trusted_printers completely? +

Set action: deny in the PolicyLayer policy for list_trusted_printers. 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.

What MCP server provides list_trusted_printers? +

list_trusted_printers 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.

KEEP EXPLORING

More on Kiln, and thousands of servers like it.

This server

All 402 Kiln tools →

Across the catalogue

aiva_list_affiliates on AIVA MCP Server →list_circuits on 0gzk →list_agents on 0rca Dojo MCP Server → The MCP Attack Database →

Guides

Roll out MCP under one policy →Data exfiltration →MCP token cost →