subscribeExecution
Subscribe to real-time execution (trade fill) updates for your account.
This record as markdown: /tools/bybit-exchange-trading-mcp/subscribeexecution.md
What subscribeExecution does on Bybit MCP Server
AI agents call subscribeExecution to retrieve information from Bybit MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why subscribeExecution is rated Low
This tool retrieves real-time execution data (trade fills) for monitoring purposes. Although it connects to a financial exchange (Bybit), it does not move money, execute trades, or modify account state—it only reads/streams existing execution data. The blast radius is minimal: worst case, an AI agent receives unwanted notifications. Categorized as Read rather than Financial because no financial transaction occurs.
From the tool's definition Tool name and description indicate subscription to real-time updates: 'Subscribe to real-time execution (trade fill) updates for your account.' The verb 'subscribe' and 'updates' show data retrieval without modification or execution of trades.
Attacks that exploit this kind of access
The rule that runs subscribeExecution safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Bybit MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For subscribeExecution, this is the rule to start with:
subscribeExecution is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Bybit MCP Server, apply this rule, and every subscribeExecution call is checked against it from then on.
Questions about subscribeExecution
Subscribe to real-time execution (trade fill) updates for your account. It is categorised as a Read tool in the Bybit MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Bybit MCP Server MCP server in PolicyLayer and add a rule for subscribeExecution: 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 MCP Server. Nothing to install.
subscribeExecution 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 subscribeExecution 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 subscribeExecution. 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.
subscribeExecution is provided by the Bybit MCP Server MCP server (bybit-exchange/trading-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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