kinbox_create_contact · Kinbox MCP: Risk & Policy

WHAT IT DOES

What kinbox_create_contact does on Kinbox

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

WHY IT NEEDS A POLICY

Why kinbox_create_contact needs a policy

This tool creates new contact records in a customer service management system. It is reversible (contacts can be deleted or modified), so it falls under Write rather than Destructive. The severity is medium because creating unauthorized or spam contacts could degrade data quality and system usability, but the impact is limited to contact records without financial or cascading system effects.

From the tool's definition Tool name contains 'create' and description states 'Cria um novo contato' (Creates a new contact), indicating data creation. The tool creates a new contact record in the Kinbox system with phone or email as required fields.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

kinbox_create_contact Rate-limited

kinbox_create_contact 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": {
    "kinbox_create_contact": {
      "limits": [
        {
          "counter": "kinbox_create_contact_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 Kinbox, so you can run agents against it safely.

FAQ

Questions about kinbox_create_contact

What does the kinbox_create_contact tool do? +

Cria um novo contato no Kinbox (telefone ou e-mail obrigatório). It is categorised as a Write tool in the Kinbox MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on kinbox_create_contact? +

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

What risk level is kinbox_create_contact? +

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

Can I rate-limit kinbox_create_contact? +

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

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

kinbox_create_contact is provided by the Kinbox MCP server (vergamini65-boop/kinbox-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.