configure_auth · Overleaf MCP Server MCP: Risk & Policy

WHAT IT DOES

What configure_auth does on Overleaf MCP Server

AI agents use configure_auth to create or update resources in Overleaf MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Overleaf MCP Server environment.

WHY IT NEEDS A POLICY

Why configure_auth needs a policy

This tool modifies authentication configuration (credentials) at a global level. While not destructive, it changes system state in a way that could affect all subsequent Overleaf operations if misconfigured. The high severity reflects that incorrect credential configuration could lock out legitimate access or grant unauthorized access if an AI agent configures credentials to malicious values.

From the tool's definition Tool name 'configure_auth' with description 'Configure global Overleaf credentials' indicates storing or modifying authentication configuration, which is a reversible write operation to credential/config data.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

configure_auth Rate-limited

configure_auth stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "configure_auth": {
      "limits": [
        {
          "counter": "configure_auth_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about configure_auth

What does the configure_auth tool do? +

Configure global Overleaf credentials. It is categorised as a Write tool in the Overleaf MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on configure_auth? +

Register the Overleaf MCP Server MCP server in PolicyLayer and add a rule for configure_auth: 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 Overleaf MCP Server. Nothing to install.

What risk level is configure_auth? +

configure_auth is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit configure_auth? +

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

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

configure_auth is provided by the Overleaf MCP Server MCP server (juho127/overleafmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.