get_funding_rate_history

THE RISK

Low Risk

Why get_funding_rate_history needs a policy

This tool retrieves historical funding rate data from the Bybit exchange. It performs a read-only query of past information with no capability to modify, delete, or execute any operations. While the server overall provides access to trading and account management operations, this specific tool is limited to data retrieval.

From the tool's definition Tool name 'get_funding_rate_history' and description 'Get funding rate history' indicate a data retrieval operation. The verb 'get' combined with 'history' clearly denotes querying historical data without any side effects.

Documented attack patterns abuse exactly the kind of access get_funding_rate_history gives an agent:

POLICY

How to control get_funding_rate_history

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_funding_rate_history:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_funding_rate_history": {}
  }
}

get_funding_rate_history is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Bybit MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

Related tools and policies

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Go deeper

Roll out MCP under one policy → Per-person scoped tokens, one central policy, and full audit across every server your team connects.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →
PolicyLayer vs alternatives → How deterministic, per-call MCP policy compares with gateways, identity layers, and authorisation platforms.

FAQ

Questions about get_funding_rate_history

What does the get_funding_rate_history tool do? +

Get funding rate history. It is categorised as a Read tool in the Bybit MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_funding_rate_history? +

Register the Bybit MCP Server MCP server in PolicyLayer and add a rule for get_funding_rate_history: 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.

What risk level is get_funding_rate_history? +

get_funding_rate_history is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_funding_rate_history? +

Yes. Add a rate_limit block to the get_funding_rate_history 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.

How do I block get_funding_rate_history completely? +

Set action: deny in the PolicyLayer policy for get_funding_rate_history. 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.

What MCP server provides get_funding_rate_history? +

get_funding_rate_history 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.

Enforce policy on every Bybit MCP Server tool call.

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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