Low Risk

list_products

List all CalmActiva products with realtime price (EUR) and availability fetched from the Shopify storefront. Use when a user asks what products CalmActiva sells, current prices, or what is in stock.

Part of the CalmActiva server.

list_products is read-only, but an agent in a loop can still rack up calls and cost. PolicyLayer caps every call before it runs. Live in minutes.

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AI agents call list_products to retrieve information from CalmActiva without modifying any data. This is common in research, monitoring, and reporting workflows where the agent needs context before taking action. Because read operations don't change state, they are generally safe to allow without restrictions -- but you may still want rate limits to control API costs.

Even though list_products only reads data, uncontrolled read access can leak sensitive information or rack up API costs. An agent caught in a retry loop could make thousands of calls per minute. A rate limit gives you a safety net without blocking legitimate use.

Read-only tools are safe to allow by default. No rate limit needed unless you want to control costs.

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "list_products": {}
  }
}

See the full CalmActiva policy for all 5 tools.

Get this rule live on your own CalmActiva server in minutes. PolicyLayer enforces it on every call, before it runs.

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These attack patterns abuse exactly the kind of access list_products gives an agent. Each links to the full case and the policy that stops it:

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Every attack above starts with a tool call. PolicyLayer checks each one against your policy first, so list_products only ever does what you allow.

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Other read tools across the catalogue. The same approach applies to each: allow, with a rate cap to control cost.

What does the list_products tool do? +

List all CalmActiva products with realtime price (EUR) and availability fetched from the Shopify storefront. Use when a user asks what products CalmActiva sells, current prices, or what is in stock.. It is categorised as a Read tool in the CalmActiva MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_products? +

Register the CalmActiva MCP server in PolicyLayer and add a rule for list_products: 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 CalmActiva. Nothing to install.

What risk level is list_products? +

list_products is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit list_products? +

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

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

list_products is provided by the CalmActiva MCP server (https://dgymaetjyvzdblryurmi.supabase.co/functions/v1/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every CalmActiva tool call.

Deterministic rules across all 5 CalmActiva tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

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4,600+ MCP servers and 31,000+ tools scanned and risk-classified.

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