verse_get_build_log

THE RISK

Low Risk

Why verse_get_build_log needs a policy

This tool retrieves and reads build log information from the UEFN editor for diagnostic purposes. It has no side effects on the system, does not execute code or commands, does not create or modify data, and does not delete anything. It is purely informational/observational, fitting the Read category.

From the tool's definition Tool name 'verse_get_build_log' and description 'Get the most recent UEFN build log for error analysis' indicate retrieval of existing log data with no modification or execution.

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

POLICY

How to control verse_get_build_log

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 verse_get_build_log:

policy.json

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

verse_get_build_log is read-only, so it stays allowed — but 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.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about verse_get_build_log

What does the verse_get_build_log tool do? +

Get the most recent UEFN build log for error analysis. It is categorised as a Read tool in the Uefn MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on verse_get_build_log? +

Register the Uefn MCP server in PolicyLayer and add a rule for verse_get_build_log: 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 verse_get_build_log? +

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

Can I rate-limit verse_get_build_log? +

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

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

verse_get_build_log 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 →