High Risk →

start_battle

Start a battle between two Pokémon

Part of the Pokémon Information Server server.

start_battle can trigger actions in Pokémon Information Server, with no limits today. PolicyLayer puts allow, deny, and rate-limit rules on every call. Live in minutes.

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Free to start. No card required.

AI agents invoke start_battle to trigger processes or run actions in Pokémon Information Server. Execute operations can have side effects beyond the immediate call -- triggering builds, sending notifications, or starting workflows. Rate limits and argument validation are essential to prevent runaway execution.

start_battle can trigger processes with real-world consequences. An uncontrolled agent might start dozens of builds, send mass notifications, or kick off expensive compute jobs. PolicyLayer enforces rate limits and validates arguments to keep execution within safe bounds.

Execute tools trigger processes. Rate-limit and validate arguments to prevent unintended side effects.

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "start_battle": {
      "limits": [
        {
          "counter": "start_battle_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

See the full Pokémon Information Server policy for all 7 tools.

Get this rule live on your own Pokémon Information Server server in minutes. PolicyLayer enforces it on every call, before it runs.

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These attack patterns abuse exactly the kind of access start_battle gives an agent. Each links to the full case and the policy that stops it:

Browse the full MCP Attack Database →

Every attack above starts with a tool call. PolicyLayer checks each one against your policy first, so start_battle only ever does what you allow.

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Other execute tools across the catalogue. The same approach applies to each: rate-limit and validate the arguments.

What does the start_battle tool do? +

Start a battle between two Pokémon. It is categorised as a Execute tool in the Pokémon Information Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on start_battle? +

Register the Pokémon Information Server MCP server in PolicyLayer and add a rule for start_battle: 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 Pokémon Information Server. Nothing to install.

What risk level is start_battle? +

start_battle is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit start_battle? +

Yes. Add a rate_limit block to the start_battle 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 start_battle completely? +

Set action: deny in the PolicyLayer policy for start_battle. 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 start_battle? +

start_battle is provided by the Pokémon Information Server MCP server (MetehanGZL/pokemcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Pokémon Information Server tool call.

Deterministic rules across all 7 Pokémon Information Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

Free to start. No card required.

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