List Sparkling Tracks tour packages with optional filters. Returns a compact summary (id, title, route, starting price in EUR + an approximate price in the requested currency, duration, badges, URL). Accepts optional language and currency params; city names, country names, and trip titles are tra...
Risk signalsAccepts file system path (destination)
Part of the Sparkling Tracks Tours server.
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AI agents call list_packages to retrieve information from Sparkling Tracks Tours 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_packages 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.
{
"version": "1",
"default": "deny",
"tools": {
"list_packages": {}
}
}See the full Sparkling Tracks Tours policy for all 7 tools.
These attack patterns abuse exactly the kind of access list_packages gives an agent. Each links to the full case and the policy that stops it:
Other read tools across the catalogue. The same approach applies to each: allow, with a rate cap to control cost.
List Sparkling Tracks tour packages with optional filters. Returns a compact summary (id, title, route, starting price in EUR + an approximate price in the requested currency, duration, badges, URL). Accepts optional language and currency params; city names, country names, and trip titles are translated when a supported locale is requested. Tour packages are quote-based: prices are starting per-person prices, final pricing depends on party size, dates, and customisations. Use get_package_details for the full itinerary.. It is categorised as a Read tool in the Sparkling Tracks Tours MCP Server, which means it retrieves data without modifying state.
Register the Sparkling Tracks Tours MCP server in PolicyLayer and add a rule for list_packages: 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 Sparkling Tracks Tours. Nothing to install.
list_packages 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 list_packages 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 list_packages. 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.
list_packages is provided by the Sparkling Tracks Tours MCP server (https://mcp.sparklingtracks.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 7 Sparkling Tracks Tours tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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