Fetch available shipping countries
AI agents call get_shipping_countries to retrieve information from Shopify Graphql without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves static reference data (available shipping countries) from the Shopify store configuration. It performs no writes, deletions, code execution, or financial operations. The blast radius of misuse is minimal—an attacker could only enumerate what shipping countries are configured, which is low-sensitivity store metadata. Classification as Read is appropriate.
From the tool's definition Tool name 'get_shipping_countries' and description 'Fetch available shipping countries' indicate a retrieval operation with no modification or side effects.
Attacks that exploit this kind of access
Fetch available shipping countries. It is categorised as a Read tool in the Shopify Graphql MCP Server, which means it retrieves data without modifying state.
Register the Shopify Graphql MCP server in PolicyLayer and add a rule for get_shipping_countries: 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.
get_shipping_countries is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the get_shipping_countries 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.
Set action: deny in the PolicyLayer policy for get_shipping_countries. 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.
get_shipping_countries 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.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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