pattern_line

THE RISK

Low Risk

Why pattern_line needs a policy

Without a description, the tool's behavior is unknown. The name 'pattern_line' could relate to drawing or generating a line pattern in the editor (likely a Write or Execute action), but there is insufficient evidence to confidently assign a specific category. Given the context of a UEFN editor bridge, it may place actors in a line pattern, which would be a Write operation, but this is speculative.

From the tool's definition Tool name is 'pattern_line' and description is empty or uninformative.

Documented attack patterns abuse exactly the kind of access pattern_line gives an agent:

POLICY

How to control pattern_line

PolicyLayer is an MCP gateway — it sits between your AI agents and Uefn, and nothing reaches the server without passing your rules. This is the rule we recommend for pattern_line:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "pattern_line": {
      "limits": [
        {
          "counter": "pattern_line_rate",
          "window": "minute",
          "max": 60,
          "scope": "grant"
        }
      ]
    }
  }
}

pattern_line gets a rate cap, and everything else on the server is denied unless you say otherwise.

Create a free account and register Uefn — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

SET A RULE FOR THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

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All 143 Uefn tools →

Other tools on other servers

Android Forensics ADB MCP Server generate_app_analysis_report Ethereum Tools add Math MCP Server complex_analysis_suite Crypto_MCP aes_encrypt

Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Tool risk categories → How PolicyLayer classifies MCP tools by what they can do.
MCP tool → What an MCP tool is and how clients discover and call it.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about pattern_line

What does the pattern_line tool do? +

pattern_line. It is categorised as a Other tool in the Uefn MCP Server, which means it performs auxiliary operations.

How do I enforce a policy on pattern_line? +

Register the Uefn MCP server in PolicyLayer and add a rule for pattern_line: 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 Uefn. Nothing to install.

What risk level is pattern_line? +

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

Can I rate-limit pattern_line? +

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

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

pattern_line is provided by the Uefn MCP server (quangdang46/uefn-verse-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Uefn tool call.

Start from Uefn, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →