AI agents call get_open_interest to retrieve information from Bybit MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool fetches open interest statistics from the market, which is a read-only operation. It retrieves data about outstanding contracts/positions in the market without modifying any state, placing orders, or affecting account balances.
From the tool's definition 'Get open interest data' - purely retrieves market data with no side effects
Documented attack patterns abuse exactly the kind of access get_open_interest gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Bybit MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get_open_interest:
{
"version": "1",
"default": "deny",
"tools": {
"get_open_interest": {}
}
} get_open_interest is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get open interest data. 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 get_open_interest: 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.
get_open_interest 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_open_interest 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_open_interest. 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_open_interest is provided by the Bybit MCP Server MCP server (bcusack/bybit-py-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Bybit MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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36 Bybit MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.