queryAPIKey

THE RISK

Low Risk

Why queryAPIKey needs a policy

This tool falls clearly into the Read category as it performs data retrieval without side effects. While API key information could be considered sensitive from a confidentiality perspective, the tool itself does not create, modify, execute, delete, or move money.

From the tool's definition queryAPIKey retrieves or queries information about an API key without modifying or executing any operations. The verb 'query' and 'retrieve information' indicate a read-only operation.

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

POLICY

How to control queryAPIKey

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 queryAPIKey:

policy.json

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

queryAPIKey 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

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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 queryAPIKey

What does the queryAPIKey tool do? +

Query comprehensive information about an API key. Use master or sub-account. 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 queryAPIKey? +

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

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

Can I rate-limit queryAPIKey? +

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

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

queryAPIKey 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 →