upsert_product_supplier
Create or update a product supplier. Omit
This record as markdown: /tools/webcake-storefront/upsert-product-supplier.md
What upsert_product_supplier does on Webcake Storefront
AI agents use upsert_product_supplier to create or update resources in Webcake Storefront, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Webcake Storefront environment.
Why upsert_product_supplier is rated Medium
This tool creates new product supplier records or modifies existing ones. Both operations are reversible (records can be edited or deleted later), making it a Write action rather than Destructive. The blast radius is medium because incorrect supplier data could disrupt order fulfillment or inventory management, but changes are not permanent and can be corrected.
From the tool's definition Tool name is 'upsert_product_supplier' with description stating 'Create or update a product supplier'. The verb 'upsert' (update or insert) and explicit mention of 'Create or update' confirms reversible data modification.
Attacks that exploit this kind of access
The rule that runs upsert_product_supplier safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Webcake Storefront, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For upsert_product_supplier, this is the rule to start with:
upsert_product_supplier 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.
The button opens the PolicyLayer dashboard: create your workspace, connect Webcake Storefront, apply this rule, and every upsert_product_supplier call is checked against it from then on.
Questions about upsert_product_supplier
Create or update a product supplier. Omit. It is categorised as a Write tool in the Webcake Storefront MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Webcake Storefront MCP server in PolicyLayer and add a rule for upsert_product_supplier: 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 Webcake Storefront. Nothing to install.
upsert_product_supplier is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the upsert_product_supplier 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 upsert_product_supplier. 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.
upsert_product_supplier is provided by the Webcake Storefront MCP server (webcake-storefront-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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