add_reduce_margin

A write tool on the Bybit MCP server.

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/add-reduce-margin.md

WHAT IT DOES

What add_reduce_margin does on Bybit

AI agents use add_reduce_margin 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 add_reduce_margin is rated Medium

The tool name suggests modifying margin on a trading position (adding or reducing margin), which is a Write operation that affects trading account state. On a derivatives/futures exchange like Bybit, margin adjustments can significantly impact liquidation prices and position risk.

From the tool's definition Tool name 'add_reduce_margin' on a trading exchange MCP server; description is empty.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs add_reduce_margin 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 add_reduce_margin, this is the rule to start with:

add_reduce_margin Rate-limited

add_reduce_margin 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": {
    "add_reduce_margin": {
      "limits": [
        {
          "counter": "add_reduce_margin_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 add_reduce_margin call is checked against it from then on.

FAQ

Questions about add_reduce_margin

What does the add_reduce_margin tool do? +

add_reduce_margin is a write tool on the Bybit MCP server. 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 add_reduce_margin? +

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

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

Can I rate-limit add_reduce_margin? +

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

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

add_reduce_margin 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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