leaderboard_scaffold

SERVERBreakpoint SOURCEbreakpoint-mcp

Medium RISK CLASS

Category Write

Parameters 51 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/breakpoint-mcp/leaderboard-scaffold.md

WHAT IT DOES

What leaderboard_scaffold does on Breakpoint

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

Parameter	Type	Required	Description
`sdk`	string	Yes	Which backend SDK to target
`confirm`	boolean	—	Auto-approve this destructive action (skip the confirmation prompt)
`to_path`	string	—	Destination res:// .gd path (default res://backend/leaderboard.gd)
`overwrite`	boolean	—	Overwrite if the file already exists (default false)
`leaderboard_name`	string	—	Leaderboard id / statistic name baked into the script (default 'main')

Parameters from the server's own tool schema.

RISK

Why leaderboard_scaffold is rated Medium

The tool generates and writes GDScript code files (.gd) to disk, which is reversible data modification. While the description uses the word 'DESTRUCTIVE', the actual operation is file creation/writing, not irreversible deletion. The gating mechanism and feature-detection logic suggest this is a scaffolding utility that creates new files rather than destroying existing ones.

From the tool's definition 'generates submit/fetch leaderboard helpers' and 'writes a .gd' (GDScript file generation). The description explicitly states 'DESTRUCTIVE (writes a .gd) — gated', indicating file creation/modification.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs leaderboard_scaffold safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Breakpoint, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For leaderboard_scaffold, this is the rule to start with:

leaderboard_scaffold Rate-limited

leaderboard_scaffold 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": {
    "leaderboard_scaffold": {
      "limits": [
        {
          "counter": "leaderboard_scaffold_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Breakpoint, apply this rule, and every leaderboard_scaffold call is checked against it from then on.

FAQ

Questions about leaderboard_scaffold

What does the leaderboard_scaffold tool do? +

Generate submit/fetch leaderboard helpers against an installed backend SDK. FEATURE-DETECTED both ways: if the SDK provides no leaderboard API (Photon is realtime transport), degrades to 'unsupported_feature'; if the SDK is not installed, degrades to 'install <SDK> first'. Neither writes anything. DESTRUCTIVE (writes a .gd) — gated. It is categorised as a Write tool in the Breakpoint MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does leaderboard_scaffold accept? +

leaderboard_scaffold accepts 5 parameters: sdk, confirm, to_path, overwrite, leaderboard_name. Required: sdk. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on leaderboard_scaffold? +

Register the Breakpoint MCP server in PolicyLayer and add a rule for leaderboard_scaffold: 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 Breakpoint. Nothing to install.

What risk level is leaderboard_scaffold? +

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

Can I rate-limit leaderboard_scaffold? +

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

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

leaderboard_scaffold is provided by the Breakpoint MCP server (breakpoint-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

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scaffold_project_files on Stitch MCP Server → The MCP Attack Database →

Guides

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