reset_color_scheme

THE RISK

Medium Risk

Why reset_color_scheme needs a policy

Resetting a color scheme modifies application settings (a write operation), but the description is truncated and incomplete, lowering confidence. The action appears reversible as color schemes can be reapplied. Blast radius is low as it only affects visual presentation in the FiftyOne App UI.

From the tool's definition reset_color_scheme - 'Reset the App color scheme to the dataset or'

Documented attack patterns abuse exactly the kind of access reset_color_scheme gives an agent:

POLICY

How to control reset_color_scheme

PolicyLayer is an MCP gateway — it sits between your AI agents and FiftyOne MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for reset_color_scheme:

policy.json

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

reset_color_scheme 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.

Create a free account and register FiftyOne MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
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FAQ

Questions about reset_color_scheme

What does the reset_color_scheme tool do? +

Reset the App color scheme to the dataset or. It is categorised as a Write tool in the FiftyOne MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on reset_color_scheme? +

Register the FiftyOne MCP Server MCP server in PolicyLayer and add a rule for reset_color_scheme: 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 FiftyOne MCP Server. Nothing to install.

What risk level is reset_color_scheme? +

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

Can I rate-limit reset_color_scheme? +

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

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

reset_color_scheme is provided by the FiftyOne MCP Server MCP server (voxel51/fiftyone-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every FiftyOne MCP Server tool call.

Start from FiftyOne MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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