# mlb_get_plate_appearances

Get MLB plate appearance data for a specific game. Each plate appearance includes the outcome and all individual pitches with detailed pitch-level data including exit_velocity, launch_angle, bat_speed, hit_distance, expected_batting_average, is_barrel, hit coordinates, spin_rate, release_speed, and pitch movement data.

Agent View of the PolicyLayer registry record for `mlb_get_plate_appearances`. HTML page: https://policylayer.com/tools/io-balldontlie-mcp/mlb-get-plate-appearances

## Facts

- Tool: `mlb_get_plate_appearances`
- Server: Mcp (`https://mcp.balldontlie.io/mcp`) — https://policylayer.com/tools/io-balldontlie-mcp.md
- Homepage: https://github.com/balldontlie-api/mcp
- Risk category: Read (Low risk)
- Registry record: grade A, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Allowed

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "mlb_get_plate_appearances",
    "arguments": {}
  }
}
```

## Why mlb_get_plate_appearances is rated Low

This tool retrieves historical or live sports statistics and analytics. It performs a query operation that returns plate appearance data without creating, modifying, deleting, or executing arbitrary operations. The blast radius of misuse is minimal—an AI agent could only retrieve data it is authorized to access. This is a straightforward Read operation on a sports data API.

From the tool's own definition: "Tool name 'mlb_get_plate_appearances' with description 'Get MLB plate appearance data' indicates data retrieval."

## Use case

AI agents call mlb_get_plate_appearances to retrieve information from Mcp without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

## Recommended policy (PolicyLayer)

Verdict: **Allowed**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Mcp:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "mlb_get_plate_appearances": {}
  }
}
```

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## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

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Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=io-balldontlie-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/io-balldontlie-mcp