AI agents call get_coin_greeks 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 analytics data about options Greeks—quantitative measures used to assess derivative pricing risk. It performs a pure data query with no side effects: it does not create, modify, execute, delete, or move funds. It is a read-only information lookup.
From the tool's definition Tool name 'get_coin_greeks' and description 'Get coin greeks (delta, gamma, vega, theta)' indicate a retrieval operation that queries market data (Greeks are options pricing metrics) with no modification or execution of trades.
Attacks that exploit this kind of access
Get coin greeks (delta, gamma, vega, theta). 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_greeks: 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_greeks 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_greeks 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_greeks. 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_greeks 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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