Get details, status, temps, current job, filament, notifications for ONE specific printer by id. Use this (not list_printers) whenever the user asks about a single printer they've already identified — "status of printer X", "what's printer 5 doing", "temperature on Creality K2". Cheaper and less ...
Part of the SimplyPrint: 3D Print Farm Management server.
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AI agents call get_printer to retrieve information from SimplyPrint: 3D Print Farm Management without modifying any data. This is common in research, monitoring, and reporting workflows where the agent needs context before taking action. Because read operations don't change state, they are generally safe to allow without restrictions -- but you may still want rate limits to control API costs.
Even though get_printer only reads data, uncontrolled read access can leak sensitive information or rack up API costs. An agent caught in a retry loop could make thousands of calls per minute. A rate limit gives you a safety net without blocking legitimate use.
Read-only tools are safe to allow by default. No rate limit needed unless you want to control costs.
{
"version": "1",
"default": "deny",
"tools": {
"get_printer": {}
}
}See the full SimplyPrint: 3D Print Farm Management policy for all 70 tools.
These attack patterns abuse exactly the kind of access get_printer gives an agent. Each links to the full case and the policy that stops it:
Other read tools across the catalogue. The same approach applies to each: allow, with a rate cap to control cost.
Get details, status, temps, current job, filament, notifications for ONE specific printer by id. Use this (not list_printers) whenever the user asks about a single printer they've already identified — "status of printer X", "what's printer 5 doing", "temperature on Creality K2". Cheaper and less noisy than listing all printers.. It is categorised as a Read tool in the SimplyPrint: 3D Print Farm Management MCP Server, which means it retrieves data without modifying state.
Register the SimplyPrint: 3D Print Farm Management MCP server in PolicyLayer and add a rule for get_printer: 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 SimplyPrint: 3D Print Farm Management. Nothing to install.
get_printer 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 get_printer 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 get_printer. 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.
get_printer is provided by the SimplyPrint: 3D Print Farm Management MCP server (https://simplyprint.io/api/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 70 SimplyPrint: 3D Print Farm Management tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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