switch_position_mode · Bybit MCP: Risk & Policy

WHAT IT DOES

What switch_position_mode does on Bybit

AI agents use switch_position_mode to create or update resources in Bybit — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Bybit environment.

WHY IT NEEDS A POLICY

Why switch_position_mode needs a policy

Switching position mode affects how trading positions are managed on the exchange. It is a configuration change (Write) that can impact open positions and trading behavior. The description is empty, lowering confidence, but the name strongly implies a reversible account setting change.

From the tool's definition Tool name: switch_position_mode; description is empty. Based on name, it switches position mode (e.g., one-way vs hedge mode) on a trading account.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

switch_position_mode Rate-limited

switch_position_mode stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "switch_position_mode": {
      "limits": [
        {
          "counter": "switch_position_mode_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Bybit, so you can run agents against it safely.

FAQ

Questions about switch_position_mode

What does the switch_position_mode tool do? +

switch_position_mode. It is categorised as a Write tool in the Bybit MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on switch_position_mode? +

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

What risk level is switch_position_mode? +

switch_position_mode is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit switch_position_mode? +

Yes. Add a rate_limit block to the switch_position_mode 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 switch_position_mode completely? +

Set action: deny in the PolicyLayer policy for switch_position_mode. 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 switch_position_mode? +

switch_position_mode 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.