retry_print_with_fix · Kiln MCP: Risk & Policy

WHAT IT DOES

What retry_print_with_fix does on Kiln

AI agents invoke retry_print_with_fix to trigger actions in Kiln. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why retry_print_with_fix needs a policy

The name implies re-triggering a print job with some automated fix applied — this executes a physical operation on a 3D printer. Misuse could waste materials, damage hardware, or trigger unattended physical processes. Severity is high given the physical/real-world blast radius. Confidence is moderate because the description is empty and exact behavior is unknown.

From the tool's definition Tool name 'retry_print_with_fix' on a 3D printer control server; description is empty and uninformative.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

retry_print_with_fix Rate-limited

retry_print_with_fix stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "retry_print_with_fix": {
      "limits": [
        {
          "counter": "retry_print_with_fix_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Kiln, so you can run agents against it safely.

FAQ

Questions about retry_print_with_fix

What does the retry_print_with_fix tool do? +

retry_print_with_fix. It is categorised as a Execute tool in the Kiln MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on retry_print_with_fix? +

Register the Kiln MCP server in PolicyLayer and add a rule for retry_print_with_fix: 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 retry_print_with_fix? +

retry_print_with_fix is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit retry_print_with_fix? +

Yes. Add a rate_limit block to the retry_print_with_fix 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 retry_print_with_fix completely? +

Set action: deny in the PolicyLayer policy for retry_print_with_fix. 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 retry_print_with_fix? +

retry_print_with_fix 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.