set_broker_rate_limit · Bybit MCP: Risk & Policy

WHAT IT DOES

What set_broker_rate_limit does on Bybit

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

WHY IT NEEDS A POLICY

Why set_broker_rate_limit needs a policy

This tool modifies broker-level rate limit settings, which is a reversible configuration write operation. While it affects trading infrastructure, it does not execute trades, delete data irreversibly, or move money. The impact is medium severity because misconfiguration could disrupt trading operations or lock out legitimate activity, but the change can be undone by reconfiguring limits again.

From the tool's definition Tool name 'set_broker_rate_limit' indicates modification of broker configuration settings. Description states 'Set broker rate limits' — a configuration change operation.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

set_broker_rate_limit Rate-limited

set_broker_rate_limit 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": {
    "set_broker_rate_limit": {
      "limits": [
        {
          "counter": "set_broker_rate_limit_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 Bybit, so you can run agents against it safely.

FAQ

Questions about set_broker_rate_limit

What does the set_broker_rate_limit tool do? +

Set broker rate limits. It is categorised as a Write tool in the Bybit 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_broker_rate_limit? +

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

What risk level is set_broker_rate_limit? +

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

Can I rate-limit set_broker_rate_limit? +

Yes. Add a rate_limit block to the set_broker_rate_limit 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_broker_rate_limit completely? +

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

set_broker_rate_limit is provided by the Bybit MCP server (johnnywic/bybit-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.