This record as markdown: /tools/webcake-storefront/update-article.md
What update_article does on Webcake Storefront
AI agents use update_article 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 update_article is rated Medium
This tool creates or modifies data (blog article content) in a reversible manner—updates can be undone by subsequent edits or rollbacks. It does not execute arbitrary code, delete data irreversibly, or move money. The medium severity reflects that misuse could alter published content visible to customers, but the impact is limited to article metadata/text and is reversible.
From the tool's definition Tool name 'update_article' and description 'Update a blog article' indicate modification of existing data. The verb 'Update' explicitly signals a write operation that modifies content reversibly.
Attacks that exploit this kind of access
The rule that runs update_article 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 update_article, this is the rule to start with:
update_article 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 update_article call is checked against it from then on.
Questions about update_article
Update a blog article. 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 update_article: 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.
update_article 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 update_article 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 update_article. 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.
update_article 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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