Simple country search by name.
AI agents call get_countries to retrieve information from SQLite Geography Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a read-only search operation on geographical data (countries) by name. It retrieves information from the SQLite database without side effects, state changes, or irreversible actions. The search is constrained to a single field (name), making it a straightforward data retrieval operation with minimal risk of misuse even if an AI agent invokes it.
From the tool's definition Tool name is 'get_countries' and description states 'Simple country search by name.' This is a query operation that retrieves data without modifying, deleting, or executing code.
Attacks that exploit this kind of access
Simple country search by name. It is categorised as a Read tool in the SQLite Geography Server MCP Server, which means it retrieves data without modifying state.
Register the SQLite Geography Server 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 SQLite Geography Server. 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 SQLite Geography Server MCP server (pdichone/mcp-course-code). 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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