ccxt_reduce_margin

Call exchange.reduceMargin(symbol, amount, params), subject to the trading gate.

SERVERCodex CCXT MCP SOURCEoci:ghcr.io/lucyfox199818-collab/ccxt-mcp:0.1.0

Critical RISK CLASS

Category Financial

Parameters 00 required

Recommended Approval-gatedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-lucyfox199818-collab-ccxt-mcp/ccxt-reduce-margin.md

WHAT IT DOES

What ccxt_reduce_margin does on Codex CCXT MCP

AI agents use ccxt_reduce_margin to commit financial operations through Codex CCXT MCP, usually the final step of a payment, billing, or trading workflow. A call moves real money.

RISK

Why ccxt_reduce_margin is rated Critical

Reducing margin on an open derivatives position is a financial operation that changes the collateral backing a trade. This can increase liquidation risk and constitutes a real financial commitment/modification on the exchange. It falls under Financial as it affects live trading positions and financial obligations.

From the tool's definition reduceMargin(symbol, amount, params) — reduces margin on a derivatives position, directly affecting financial collateral and risk exposure on a live exchange

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs ccxt_reduce_margin safely

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

ccxt_reduce_margin Approval-gated

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

View as policy code

policy.json

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

GATE THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Codex CCXT MCP, apply this rule, and every ccxt_reduce_margin call is checked against it from then on.

FAQ

Questions about ccxt_reduce_margin

What does the ccxt_reduce_margin tool do? +

Call exchange.reduceMargin(symbol, amount, params), subject to the trading gate. It is categorised as a Financial tool in the Codex CCXT MCP MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on ccxt_reduce_margin? +

Register the Codex CCXT MCP server in PolicyLayer and add a rule for ccxt_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 Codex CCXT MCP. Nothing to install.

What risk level is ccxt_reduce_margin? +

ccxt_reduce_margin 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 ccxt_reduce_margin? +

Yes. Add a rate_limit block to the ccxt_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 ccxt_reduce_margin completely? +

Set action: deny in the PolicyLayer policy for ccxt_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 ccxt_reduce_margin? +

ccxt_reduce_margin is provided by the Codex CCXT MCP server (oci:ghcr.io/lucyfox199818-collab/ccxt-mcp:0.1.0). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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