update_company_contact · Shopify Graphql MCP: Risk & Policy

WHAT IT DOES

What update_company_contact does on Shopify Graphql

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

WHY IT NEEDS A POLICY

Why update_company_contact needs a policy

This tool modifies company contact information reversibly. It is a Write operation because it creates or modifies data without irreversibly deleting it. Severity is medium because unauthorized modification of company contact details could impact business operations and data integrity, but the effects are typically recoverable through subsequent corrections or audit logs.

From the tool's definition Tool name is 'update_company_contact' with description 'Update an existing company contact'. The verb 'update' indicates modification of existing data.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

update_company_contact Rate-limited

update_company_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": {
    "update_company_contact": {
      "limits": [
        {
          "counter": "update_company_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 Shopify Graphql, so you can run agents against it safely.

FAQ

Questions about update_company_contact

What does the update_company_contact tool do? +

Update an existing company contact. It is categorised as a Write tool in the Shopify Graphql MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on update_company_contact? +

Register the Shopify Graphql MCP server in PolicyLayer and add a rule for update_company_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 Shopify Graphql. Nothing to install.

What risk level is update_company_contact? +

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

Can I rate-limit update_company_contact? +

Yes. Add a rate_limit block to the update_company_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 update_company_contact completely? +

Set action: deny in the PolicyLayer policy for update_company_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 update_company_contact? +

update_company_contact is provided by the Shopify Graphql MCP server (uvu-store/shopify-graphql-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.