// MCP TOOL REFERENCE

addMargin

ServerBybit MCP Server
CategoryFinancial

WHAT IT DOES

What addMargin does on Bybit MCP Server

AI agents use addMargin to commit financial operations through Bybit MCP Server — usually the final step of a payment, billing, or trading workflow. A call moves real money.

THE RISK

Critical Risk

Why addMargin needs a policy

This tool moves real financial assets (collateral/margin) into a leveraged position on a cryptocurrency exchange. Misuse could result in committing real funds to a position, making it a Financial category action with high severity due to the potential for significant monetary impact.

From the tool's definition Add additional collateral (margin) to a leveraged Liquidity Mining position... This adds real collateral to an existing liquidity mining position.

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

POLICY

How to control addMargin

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

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "addMargin": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}

Any call to addMargin is blocked until a human approves it. The rest of the server keeps working.

Create a free account and register Bybit 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

Related tools and policies

More Bybit MCP Server tools

Financial removeLiquidity Withdraw funds from a Liquidity Mining pool position.\n\n- Financial confirmQuote Confirm the quote and execute the conversion trade.\n\nImportant:\n- Must confirm within t Financial executePurchase Place a buy order to purchase on-chain tokens with payment tokens.\nReturns an Financial executeQuote Execute (accept) a quote to initiate the multi-leg trade.\nThis endpoint is asynchronous - Financial executeRedeem Place a sell order to redeem on-chain tokens for payment tokens.\nReturns an Financial quickRepayment Execute quick repayment for specified coin Financial accountBorrow Manual borrow for Unified account.\n\nRules:\n- Borrowing via OpenAPI endpoint supports va Financial accountRepay Manually repay the liabilities of Unified account.\n\nRules:\n- If neither

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Go deeper

Critical-risk tools in Bybit MCP Server → Every critical-risk tool this server exposes, in one view.
All critical-risk MCP tools → Every critical-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Human-in-the-loop → When a tool call should wait for a person — and when policy can decide alone.
Tool call approval → Approval gates on individual tool calls: auto-allow, prompt, or deny.
How to Add Spending Controls to Any MCP Agent →
Rate Limiting MCP Tool Calls: A Practical Guide →

FAQ

Questions about addMargin

What does the addMargin tool do? +

Add additional collateral (margin) to a leveraged Liquidity Mining position to avoid liquidation.\n\nRate Limit: 5 req/s (UID)\n\nAgent hint: IMPORTANT: This adds real collateral to an existing liquidity mining position. Before executing, you MUST ask the user to explicitly confirm the position ID and margin amount. Do not execute automatically. It is categorised as a Financial tool in the Bybit MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on addMargin? +

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

What risk level is addMargin? +

addMargin is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit addMargin? +

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

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

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

Enforce policy on every Bybit MCP Server tool call.

Start from Bybit 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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326 Bybit MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.