set_sidebar_groups

THE RISK

Medium Risk

Why set_sidebar_groups needs a policy

This tool modifies sidebar group configuration, which is a reversible write operation affecting UI state. It does not delete data (not Destructive), execute arbitrary code (not Execute), handle financials (not Financial), or merely query (not Read). The incomplete description reduces confidence slightly, but the semantic intent is clear.

From the tool's definition Tool name 'set_sidebar_groups' indicates modification of UI configuration state. The description is incomplete ('Replace the sidebar group configuration for') but the verb 'set' and 'replace' clearly indicate writing/modifying configuration rather than…

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

POLICY

How to control set_sidebar_groups

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 set_sidebar_groups:

policy.json

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

set_sidebar_groups 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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Scoped token → Per-person credentials that grant a defined subset of servers and tools.
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FAQ

Questions about set_sidebar_groups

What does the set_sidebar_groups tool do? +

Replace the sidebar group configuration for. 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 set_sidebar_groups? +

Register the FiftyOne MCP Server MCP server in PolicyLayer and add a rule for set_sidebar_groups: 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 set_sidebar_groups? +

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

Can I rate-limit set_sidebar_groups? +

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

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

set_sidebar_groups 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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