AI agents call get_rider_one_day_races to retrieve information from FirstCycling MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves historical cycling race data about riders' one-day race participation and results. It performs read-only queries with no side effects, data modification, code execution, or destructive operations. The empty description slightly reduces confidence, but the naming pattern and sibling tools confirm this is a safe data retrieval operation.
From the tool's definition Tool name 'get_rider_one_day_races' indicates data retrieval. All sibling tools (get_race_details, get_rider_info, get_rider_best_results, etc.) are retrieval operations with no modification capability.
Documented attack patterns abuse exactly the kind of access get_rider_one_day_races gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and FirstCycling MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get_rider_one_day_races:
{
"version": "1",
"default": "deny",
"tools": {
"get_rider_one_day_races": {}
}
}get_rider_one_day_races is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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get_rider_one_day_races. It is categorised as a Read tool in the FirstCycling MCP Server MCP Server, which means it retrieves data without modifying state.
Register the FirstCycling MCP Server MCP server in PolicyLayer and add a rule for get_rider_one_day_races: 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 FirstCycling MCP Server. Nothing to install.
get_rider_one_day_races 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_rider_one_day_races 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_rider_one_day_races. 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_rider_one_day_races is provided by the FirstCycling MCP Server MCP server (r-huijts/firstcycling-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from FirstCycling MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
18 FirstCycling MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.