kinbox_update_deal · Kinbox MCP: Risk & Policy

WHAT IT DOES

What kinbox_update_deal does on Kinbox

AI agents use kinbox_update_deal 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_update_deal needs a policy

This tool modifies existing deal records reversibly. It performs a write operation that updates data state but does not delete or destroy records, nor does it move money or execute arbitrary code. The blast radius is medium because unintended deal updates could affect sales pipeline visibility and customer relationship management, but changes are reversible.

From the tool's definition Tool name 'kinbox_update_deal' and description 'Atualiza um deal existente' (Updates an existing deal) indicate modification of deal data through the Kinbox API.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

kinbox_update_deal Rate-limited

kinbox_update_deal 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_update_deal": {
      "limits": [
        {
          "counter": "kinbox_update_deal_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_update_deal

What does the kinbox_update_deal tool do? +

Atualiza um deal existente. 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_update_deal? +

Register the Kinbox MCP server in PolicyLayer and add a rule for kinbox_update_deal: 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_update_deal? +

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

Can I rate-limit kinbox_update_deal? +

Yes. Add a rate_limit block to the kinbox_update_deal 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_update_deal completely? +

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

kinbox_update_deal 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.