AI agents call get_broker_sub_deposit_record to retrieve information from Bybit without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries historical deposit records for broker sub-accounts. It is a read-only operation that accesses existing data without creating, modifying, deleting, executing code, or moving funds. The blast radius is minimal as it only exposes informational historical records.
From the tool's definition Tool name is 'get_broker_sub_deposit_record' with description 'Get broker sub account deposit records' — uses retrieval verb 'Get' to fetch historical deposit data with no modification or side effects.
Attacks that exploit this kind of access
Get broker sub account deposit records. It is categorised as a Read tool in the Bybit MCP Server, which means it retrieves data without modifying state.
Register the Bybit MCP server in PolicyLayer and add a rule for get_broker_sub_deposit_record: 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. Nothing to install.
get_broker_sub_deposit_record 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 get_broker_sub_deposit_record 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 get_broker_sub_deposit_record. 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.
get_broker_sub_deposit_record is provided by the Bybit MCP server (johnnywic/bybit-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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