Get a single metafield by namespace and key for a given product via GraphQL. Uses jsonValue for proper serialization.
AI agents call get_product_metafield to retrieve information from Kockatoos Shopify MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves product metafield data via GraphQL query without creating, modifying, or deleting any data. It is a straightforward read operation with no blast radius if misused by an AI agent, as it cannot alter state or trigger external operations. The 'Get' verb and read-only nature confirm Read category classification.
From the tool's definition Tool name 'get_product_metafield' and description 'Get a single metafield' indicate a retrieval operation. No modifications, deletions, or side effects are performed—it only queries and returns data.
Attacks that exploit this kind of access
Get a single metafield by namespace and key for a given product via GraphQL. Uses jsonValue for proper serialization. It is categorised as a Read tool in the Kockatoos Shopify MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Kockatoos Shopify MCP Server MCP server in PolicyLayer and add a rule for get_product_metafield: 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 Kockatoos Shopify MCP Server. Nothing to install.
get_product_metafield 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_product_metafield 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_product_metafield. 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_product_metafield is provided by the Kockatoos Shopify MCP Server MCP server (untitled-developers/shopify-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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