negotiate_terms · Shopify Agentic MCP Gateway MCP

WHAT IT DOES

What negotiate_terms does on Shopify Agentic MCP Gateway

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

WHY IT NEEDS A POLICY

Why negotiate_terms needs a policy

This tool negotiates terms (discounts, shipping options) between an agent and a merchant, which constitutes creating or modifying commercial agreements. While it doesn't directly move money (that would be Financial), it can commit the merchant to discounts or special terms that have financial implications.

From the tool's definition Negotiate capabilities, discounts, and shipping options between an agent and the merchant.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

negotiate_terms Rate-limited

negotiate_terms 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": {
    "negotiate_terms": {
      "limits": [
        {
          "counter": "negotiate_terms_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 Shopify Agentic MCP Gateway, so you can run agents against it safely.

FAQ

Questions about negotiate_terms

What does the negotiate_terms tool do? +

Negotiate capabilities, discounts, and shipping options between an agent and the merchant. It is categorised as a Write tool in the Shopify Agentic MCP Gateway MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on negotiate_terms? +

Register the Shopify Agentic MCP Gateway MCP server in PolicyLayer and add a rule for negotiate_terms: 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 Shopify Agentic MCP Gateway. Nothing to install.

What risk level is negotiate_terms? +

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

Can I rate-limit negotiate_terms? +

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

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

negotiate_terms is provided by the Shopify Agentic MCP Gateway MCP server (kuro-tomo/shopify-agentic-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.