AI agents call list_leagues to retrieve information from Swehockey without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves/queries league information from a read-only stats database. It performs no modifications, deletions, code execution, or financial operations. The blast radius of misuse is negligible — an AI agent cannot cause harm by listing hockey leagues. Confidence is very high because the operation is transparently a data retrieval with no ambiguity.
From the tool's definition Tool name is 'list_leagues' and description states it 'List the known leagues' — a pure retrieval operation with no side effects. The server description confirms it 'enables AI assistants to look up Swedish ice-hockey data' from a stats database.
Attacks that exploit this kind of access
List the known leagues — each a region + age-group + season grouping. It is categorised as a Read tool in the Swehockey MCP Server, which means it retrieves data without modifying state.
Register the Swehockey MCP server in PolicyLayer and add a rule for list_leagues: 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 Swehockey. Nothing to install.
list_leagues 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_leagues 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_leagues. 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_leagues is provided by the Swehockey MCP server (troelskn/swehockey). 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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