This record as markdown: /tools/johnnywic-bybit-mcp/pre-check-order.md
What pre_check_order does on Bybit
AI agents invoke pre_check_order to trigger actions in Bybit. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call: builds kicked off, notifications sent, workflows started.
Why pre_check_order is rated High
The tool name suggests a pre-check or validation step for an order on the Bybit exchange. While it may only read/validate order parameters without submitting, it exists within a financial trading context alongside tools like batch_place_order and amend_order. With an empty description, there is uncertainty, but pre-checks on trading platforms can trigger margin checks or reserve funds.
From the tool's definition Tool name 'pre_check_order' on a trading exchange MCP server with 246 tools for trading, account management, and more. Description is empty.
Attacks that exploit this kind of access
The rule that runs pre_check_order safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Bybit, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For pre_check_order, this is the rule to start with:
pre_check_order stays usable, but rate-capped: a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Bybit, apply this rule, and every pre_check_order call is checked against it from then on.
Questions about pre_check_order
pre_check_order is a execute tool on the Bybit MCP server. It is categorised as a Execute tool in the Bybit MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the Bybit MCP server in PolicyLayer and add a rule for pre_check_order: 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.
pre_check_order is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.
Yes. Add a rate_limit block to the pre_check_order 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 pre_check_order. 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.
pre_check_order 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.
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