create_global_source

Create a new global source component. Component types:

SERVERWebcake Storefront SOURCEwebcake-storefront-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/webcake-storefront/create-global-source.md

WHAT IT DOES

What create_global_source does on Webcake Storefront

AI agents use create_global_source 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.

RISK

Why create_global_source is rated Medium

This tool creates a new component in the storefront builder system. Component creation is a reversible modification that can typically be edited or deleted later. It does not execute arbitrary code, delete data permanently, or move money. The 'global source' suggests it affects shared storefront configuration, but the ability to create such components is a standard Write operation rather than Execute or Destructive.

From the tool's definition Tool name 'create_global_source' and context describing 'Create a new global source component' indicates data creation.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_global_source 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 create_global_source, this is the rule to start with:

create_global_source Rate-limited

create_global_source 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": {
    "create_global_source": {
      "limits": [
        {
          "counter": "create_global_source_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Webcake Storefront, apply this rule, and every create_global_source call is checked against it from then on.

FAQ

Questions about create_global_source

What does the create_global_source tool do? +

Create a new global source component. Component types:. 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.

How do I enforce a policy on create_global_source? +

Register the Webcake Storefront MCP server in PolicyLayer and add a rule for create_global_source: 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.

What risk level is create_global_source? +

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

Can I rate-limit create_global_source? +

Yes. Add a rate_limit block to the create_global_source 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 create_global_source completely? +

Set action: deny in the PolicyLayer policy for create_global_source. 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 create_global_source? +

create_global_source 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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