Fetch the account balance. Parameters: ctx (Context): MCP context object for logging and client access. Returns: str: Stringified JSON response with account balance, or None if failed.
AI agents call fetch_balance to retrieve information from Freqtrade without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves financial account information (balance) without modifying it, executing trades, or moving funds. It is a read operation. Severity is medium rather than low because the balance information could reveal sensitive financial exposure and account size to an attacker, which could be used for social engineering or targeted attacks.
From the tool's definition Tool name is 'fetch_balance' and description states 'Fetch the account balance' with no modification or execution capability. Returns account balance data without side effects.
Documented attack patterns abuse exactly the kind of access fetch_balance gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Freqtrade, and nothing reaches the server without passing your rules. This is the rule we recommend for fetch_balance:
{
"version": "1",
"default": "deny",
"tools": {
"fetch_balance": {}
}
}fetch_balance is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
Free to start. No card required.
Fetch the account balance. Parameters: ctx (Context): MCP context object for logging and client access. Returns: str: Stringified JSON response with account balance, or None if failed. It is categorised as a Read tool in the Freqtrade MCP Server, which means it retrieves data without modifying state.
Register the Freqtrade MCP server in PolicyLayer and add a rule for fetch_balance: 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 Freqtrade. Nothing to install.
fetch_balance 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 fetch_balance 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 fetch_balance. 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.
fetch_balance is provided by the Freqtrade MCP server (kukapay/freqtrade-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Freqtrade, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
17 Freqtrade tools catalogued and risk-classified — across an index of 43,000+ MCP servers.