create_leader · LumbreTravel MCP Server MCP: Risk & Policy

WHAT IT DOES

What create_leader does on LumbreTravel MCP Server

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

WHY IT NEEDS A POLICY

Why create_leader needs a policy

This tool creates a new guide/leader record, which is a reversible write operation. It modifies system state by adding data but does not delete, destroy, execute code, or move money. The medium severity reflects that unauthorized creation of guide records could enable fraudulent bookings or unauthorized access control, but the impact is limited to a single entity type and reversible through deletion or modification.

From the tool's definition Tool name 'create_leader' and description 'Crear un guía' (Create a guide) indicate creation of a new entity (a leader/guide record) in the LumbreTravel system.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_leader Rate-limited

create_leader 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": {
    "create_leader": {
      "limits": [
        {
          "counter": "create_leader_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 LumbreTravel MCP Server, so you can run agents against it safely.

FAQ

Questions about create_leader

What does the create_leader tool do? +

Crear un guía. It is categorised as a Write tool in the LumbreTravel 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 create_leader? +

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

What risk level is create_leader? +

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

Can I rate-limit create_leader? +

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

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

create_leader is provided by the LumbreTravel MCP Server MCP server (lumile/lumbretravel-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.