Retrieves outcome data for batters split by the pitch type in a given year. ARGUMENTS year: The year for which you wish to retrieve pitch arsenal data. Format: YYYY. minPA: The minimum number of plate appearances for each player. If a player falls below this threshold, they will be excluded from ...
Part of the MLB Stats Server server.
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AI agents call get_statcast_batter_pitch_arsenal to retrieve information from MLB Stats Server without modifying any data. This is common in research, monitoring, and reporting workflows where the agent needs context before taking action. Because read operations don't change state, they are generally safe to allow without restrictions -- but you may still want rate limits to control API costs.
Even though get_statcast_batter_pitch_arsenal only reads data, uncontrolled read access can leak sensitive information or rack up API costs. An agent caught in a retry loop could make thousands of calls per minute. A rate limit gives you a safety net without blocking legitimate use.
Read-only tools are safe to allow by default. No rate limit needed unless you want to control costs.
{
"version": "1",
"default": "deny",
"tools": {
"get_statcast_batter_pitch_arsenal": {}
}
}See the full MLB Stats Server policy for all 46 tools.
These attack patterns abuse exactly the kind of access get_statcast_batter_pitch_arsenal gives an agent. Each links to the full case and the policy that stops it:
Other read tools across the catalogue. The same approach applies to each: allow, with a rate cap to control cost.
Retrieves outcome data for batters split by the pitch type in a given year. ARGUMENTS year: The year for which you wish to retrieve pitch arsenal data. Format: YYYY. minPA: The minimum number of plate appearances for each player. If a player falls below this threshold, they will be excluded from the results. If no value is specified, the default number of plate appearances is 25. start_row: optional (defaults to None) : starting row index for truncating large results (0-based, inclusive) end_row: optional (defaults to None) : ending row index for truncating large results (0-based, exclusive) Use start_row and end_row to limit response size when dealing with large datasets.. It is categorised as a Read tool in the MLB Stats Server MCP Server, which means it retrieves data without modifying state.
Register the MLB Stats Server MCP server in PolicyLayer and add a rule for get_statcast_batter_pitch_arsenal: 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 MLB Stats Server. Nothing to install.
get_statcast_batter_pitch_arsenal 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_statcast_batter_pitch_arsenal 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_statcast_batter_pitch_arsenal. 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_statcast_batter_pitch_arsenal is provided by the MLB Stats Server MCP server (etweisberg/mlb-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 46 MLB Stats Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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