Query spot account balances for all currencies. Requires API key and secret in ~/.pionex/config.toml or env.
AI agents call pionex_account_get_balance to retrieve information from Pionex Trade without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a Read operation as it only retrieves and queries account balance data without creating, modifying, deleting, or executing any transactions. However, severity is medium rather than low because the data accessed is financial account information that could be valuable for an attacker to gather for reconnaissance or fraud purposes.
From the tool's definition Tool name 'get_balance' and description 'Query spot account balances' indicate data retrieval with no side effects. However, the tool accesses financial account information (currency balances) which has elevated sensitivity.
Attacks that exploit this kind of access
Query spot account balances for all currencies. Requires API key and secret in ~/.pionex/config.toml or env. It is categorised as a Read tool in the Pionex Trade MCP Server, which means it retrieves data without modifying state.
Register the Pionex Trade MCP server in PolicyLayer and add a rule for pionex_account_get_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 Pionex Trade. Nothing to install.
pionex_account_get_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 pionex_account_get_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 pionex_account_get_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.
pionex_account_get_balance is provided by the Pionex Trade MCP server (@pionex/pionex-trade-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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