pickleball_undo · CourtVision Rules MCP: Risk & Policy

WHAT IT DOES

What pickleball_undo does on CourtVision Rules MCP

AI agents use pickleball_undo to create or update resources in CourtVision Rules MCP — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your CourtVision Rules MCP environment.

WHY IT NEEDS A POLICY

Why pickleball_undo needs a policy

This tool undoes a previously recorded action (rally or fault) by modifying match state. It is reversible in the sense that the data can be re-recorded, making it a Write operation rather than Destructive. Misuse could corrupt live match scoring, hence medium severity.

From the tool's definition Revert the most recent rally or fault for a match

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

pickleball_undo Rate-limited

pickleball_undo stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "pickleball_undo": {
      "limits": [
        {
          "counter": "pickleball_undo_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches CourtVision Rules MCP, so you can run agents against it safely.

FAQ

Questions about pickleball_undo

What does the pickleball_undo tool do? +

Revert the most recent rally or fault for a match. It is categorised as a Write tool in the CourtVision Rules MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on pickleball_undo? +

Register the CourtVision Rules MCP server in PolicyLayer and add a rule for pickleball_undo: 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 CourtVision Rules MCP. Nothing to install.

What risk level is pickleball_undo? +

pickleball_undo is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit pickleball_undo? +

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

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

pickleball_undo is provided by the CourtVision Rules MCP server (whitgai/courtvision-rules-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.