Fetch the complete list of countries supported by GlobKurier. Each country entry contains: 'id' (numeric country ID required by other tools), 'name' (country name), 'iso_code' (ISO 3166-1 alpha-2 or regional code), EU membership status, road transport availability, and postal code formats. ALWAYS...
Part of the GlobKurier Shipping MCP server.
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AI agents call get_countries to retrieve information from GlobKurier Shipping MCP 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 get_countries 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": {
"get_countries": {}
}
}See the full GlobKurier Shipping MCP policy for all 5 tools.
These attack patterns abuse exactly the kind of access get_countries 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.
Fetch the complete list of countries supported by GlobKurier. Each country entry contains: 'id' (numeric country ID required by other tools), 'name' (country name), 'iso_code' (ISO 3166-1 alpha-2 or regional code), EU membership status, road transport availability, and postal code formats. ALWAYS call this tool first to resolve country IDs before calling search_products, get_product_addons, or get_search_url. Find the country by name or iso_code, then use its 'id' field value.. It is categorised as a Read tool in the GlobKurier Shipping MCP MCP Server, which means it retrieves data without modifying state.
Register the GlobKurier Shipping MCP server in PolicyLayer and add a rule for get_countries: 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 GlobKurier Shipping MCP. Nothing to install.
get_countries 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 get_countries 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 get_countries. 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.
get_countries is provided by the GlobKurier Shipping MCP server (GlobKurier-pl/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 5 GlobKurier Shipping MCP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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