query_ports_airports
AI agents call query_ports_airports to retrieve information from Government of Canada Open Data MCP Servers without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool appears to retrieve or query publicly available Canadian government airport/port infrastructure data without modifying, executing code, or causing destructive effects. The server's stated purpose is providing 'access to' datasets, and sibling query tools follow the same read-only pattern. Querying public government infrastructure data poses minimal risk if misused by an agent.
From the tool's definition Tool name 'query_ports_airports' suggests querying/retrieving airport data. Server description emphasizes 'querying of transportation infrastructure including...airports' and 'access to 250,000+ Canadian government datasets.' Sibling tools like…
Attacks that exploit this kind of access
query_ports_airports. It is categorised as a Read tool in the Government of Canada Open Data MCP Servers MCP Server, which means it retrieves data without modifying state.
Register the Government of Canada Open Data MCP Servers MCP server in PolicyLayer and add a rule for query_ports_airports: 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 Government of Canada Open Data MCP Servers. Nothing to install.
query_ports_airports 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 query_ports_airports 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 query_ports_airports. 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.
query_ports_airports is provided by the Government of Canada Open Data MCP Servers MCP server (krunal16-c/gov-ca-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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