getCoinGreeks
Query option Greeks aggregated by base coin. Returns delta, gamma, vega, and\ntheta for each base coin with option positions.\n\nRate limit: 10 req/s\n\nAgent hint: Use this for options risk management. Pass baseCoin to filter (e.g., BTC, ETH, SOL).\nIf omitted, returns Greeks for all base coins....
This record as markdown: /tools/bybit-exchange-trading-mcp/getcoingreeks.md
What getCoinGreeks does on Bybit MCP Server
AI agents call getCoinGreeks 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 getCoinGreeks is rated Low
This is a data retrieval tool that queries and returns pre-calculated option Greeks (risk metrics) for positions. It does not modify, create, delete, or execute any transactions. Even though it relates to a financial exchange (Bybit), the tool itself only reads and returns analytical data without moving money or creating financial obligations.
From the tool's definition The tool description explicitly states it "Query[s] option Greeks aggregated by base coin" and "Returns delta, gamma, vega, and theta". It retrieves data with no side effects mentioned.
Attacks that exploit this kind of access
The rule that runs getCoinGreeks 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 getCoinGreeks, this is the rule to start with:
getCoinGreeks 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 getCoinGreeks call is checked against it from then on.
Questions about getCoinGreeks
Query option Greeks aggregated by base coin. Returns delta, gamma, vega, and\ntheta for each base coin with option positions.\n\nRate limit: 10 req/s\n\nAgent hint: Use this for options risk management. Pass baseCoin to filter (e.g., BTC, ETH, SOL).\nIf omitted, returns Greeks for all base coins. All Greek values are returned as\nstring numbers. 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 getCoinGreeks: 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.
getCoinGreeks 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 getCoinGreeks 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 getCoinGreeks. 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.
getCoinGreeks 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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