AI agents call listAccounts to retrieve information from CCXT MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool merely retrieves and returns a list of configured account names. It has no side effects, does not execute trades, does not move funds, and does not modify data. While it may reveal sensitive information about accounts (lowering confidence slightly below 1.0 due to information disclosure risk), the core action is Read-only retrieval.
From the tool's definition Tool name is 'listAccounts' and description states 'List all configured account names' — this is a query/retrieval operation with no modification or execution of trades.
Documented attack patterns abuse exactly the kind of access listAccounts gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and CCXT MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for listAccounts:
{
"version": "1",
"default": "deny",
"tools": {
"listAccounts": {}
}
}listAccounts is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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List all configured account names. It is categorised as a Read tool in the CCXT MCP Server MCP Server, which means it retrieves data without modifying state.
Register the CCXT MCP Server MCP server in PolicyLayer and add a rule for listAccounts: 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 CCXT MCP Server. Nothing to install.
listAccounts is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the listAccounts 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.
Set action: deny in the PolicyLayer policy for listAccounts. 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.
listAccounts is provided by the CCXT MCP Server MCP server (lazy-dinosaur/ccxt-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from CCXT 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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20 CCXT MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.