AI agents call get_coin_balance 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.
The tool retrieves cryptocurrency coin balance information from a user's exchange account. This is a read-only query with no side effects—it does not create, modify, delete, or execute any operations. Balance queries are fundamental account monitoring actions with low risk if misused by an AI agent.
From the tool's definition Tool name 'get_coin_balance' combined with server context (account management, trading platform) indicates retrieval of balance/account data. Sibling tools like 'get_account_info', 'get_closed_pnl', 'get_open_orders' are all Read operations.
Attacks that exploit this kind of access
get_coin_balance. 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_coin_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 Bybit. Nothing to install.
get_coin_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 get_coin_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 get_coin_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.
get_coin_balance is provided by the Bybit MCP server (workspace/bybit-mcp-server). 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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