transferCoinListQuery

THE RISK

Low Risk

Why transferCoinListQuery needs a policy

This tool retrieves configuration or reference data (which coins support transfers between accounts) without modifying, executing, or financially committing anything. It is purely informational and read-only.

From the tool's definition Tool name contains 'Query' and description states 'Query the list of coins' — a retrieval operation with no side effects. Returns information about transferable coins across account types.

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

POLICY

How to control transferCoinListQuery

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 transferCoinListQuery:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "transferCoinListQuery": {}
  }
}

transferCoinListQuery is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

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.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about transferCoinListQuery

What does the transferCoinListQuery tool do? +

Query the list of coins that can be transferred between the specified account types.\n-. It is categorised as a Read tool in the Bybit MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on transferCoinListQuery? +

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

transferCoinListQuery is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit transferCoinListQuery? +

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

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

transferCoinListQuery 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.

CHECK YOUR STACK →