AI agents call list_countries to retrieve information from Tgstat without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries a static list of country codes for reference purposes. It does not modify, execute, delete, or perform any financial operations. It is a simple lookup/read operation with minimal security implications.
From the tool's definition Tool name 'list_countries' and description 'List available country codes' indicate a retrieval operation with no side effects.
Attacks that exploit this kind of access
List available country codes (use as the. It is categorised as a Read tool in the Tgstat MCP Server, which means it retrieves data without modifying state.
Register the Tgstat MCP server in PolicyLayer and add a rule for list_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 Tgstat. Nothing to install.
list_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 list_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 list_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.
list_countries is provided by the Tgstat MCP server (theyahia/tgstat-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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