set_margin_mode

Set account margin mode.

SERVERBybit SOURCEjohnnywic/bybit-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/johnnywic-bybit-mcp/set-margin-mode.md

WHAT IT DOES

What set_margin_mode does on Bybit

AI agents use set_margin_mode 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.

RISK

Why set_margin_mode is rated Medium

This tool modifies account margin settings, which affects trading behavior and risk exposure but is reversible. It does not execute trades (Execute), delete data (Destructive), or move money directly (Financial). The change is a configuration write to account state.

From the tool's definition Tool name 'set_margin_mode' and description 'Set account margin mode' indicate modification of account settings.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs set_margin_mode safely

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

set_margin_mode Rate-limited

set_margin_mode 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_margin_mode": {
      "limits": [
        {
          "counter": "set_margin_mode_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 Bybit, apply this rule, and every set_margin_mode call is checked against it from then on.

FAQ

Questions about set_margin_mode

What does the set_margin_mode tool do? +

Set account margin mode. 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_margin_mode? +

Register the Bybit MCP server in PolicyLayer and add a rule for set_margin_mode: 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_margin_mode? +

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

Can I rate-limit set_margin_mode? +

Yes. Add a rate_limit block to the set_margin_mode 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_margin_mode completely? +

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

set_margin_mode 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.

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