tool_get_seat_stats

THE RISK

Low Risk

Why tool_get_seat_stats needs a policy

This tool retrieves real-time statistics about train seat occupancy without creating, modifying, or deleting any data. It has no side effects beyond querying the Koleo API. The blast radius of misuse is negligible—an agent could only retrieve information about seat availability across multiple trains or routes, which poses no security or operational risk.

From the tool's definition Tool description states 'Check seat occupancy statistics' which retrieves data only. Function name 'tool_get_seat_stats' uses 'get' prefix indicating query/retrieval operation. No parameters for modification or deletion are implied.

Documented attack patterns abuse exactly the kind of access tool_get_seat_stats gives an agent:

POLICY

How to control tool_get_seat_stats

PolicyLayer is an MCP gateway — it sits between your AI agents and Koleo MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for tool_get_seat_stats:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "tool_get_seat_stats": {}
  }
}

tool_get_seat_stats is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Koleo MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

More Koleo MCP Server tools

Read tool_get_all_trains Get all trains (both departures and arrivals) at a station, sorted by time. Read tool_get_arrivals Get upcoming train arrivals at a station. Read tool_get_brands List all available train brands/operators (IC, REG, EIC, KM, etc.). Read tool_get_carriers List all train carriers (PKP Intercity, POLREGIO, etc.). Read tool_get_departures Get upcoming train departures from a station. Read tool_get_realtime_timetable Get realtime timetable for a train, including actual vs scheduled times. Requires authenti Read tool_get_seat_availability Get raw seat availability for a connection by connection_id, train_nr, and place_type. Read tool_get_station_info Get detailed info about a station: address, opening hours, available facilities.

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about tool_get_seat_stats

What does the tool_get_seat_stats tool do? +

Check seat occupancy statistics for a train on a given route segment. It is categorised as a Read tool in the Koleo MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on tool_get_seat_stats? +

Register the Koleo MCP Server MCP server in PolicyLayer and add a rule for tool_get_seat_stats: 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 Koleo MCP Server. Nothing to install.

What risk level is tool_get_seat_stats? +

tool_get_seat_stats is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit tool_get_seat_stats? +

Yes. Add a rate_limit block to the tool_get_seat_stats 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.

How do I block tool_get_seat_stats completely? +

Set action: deny in the PolicyLayer policy for tool_get_seat_stats. 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.

What MCP server provides tool_get_seat_stats? +

tool_get_seat_stats is provided by the Koleo MCP Server MCP server (mbratkowski/koleo-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Koleo MCP Server tool call.

Start from Koleo MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →