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bybit-exchange

Bybit MCP Server

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subMemberListQuery

Retrieve all sub UIDs under a master account and identify those with universal transfer permission. Requires master UID API key.

Instructions

Query sub UIDs under the current master UID. Returns both all sub UIDs and the sub UIDs that have universal transfer permission. Master UID API key only.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations provided, but the description clearly indicates this is a read operation (query) and specifies the return type. It also notes the authentication requirement. No contradictions.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is concise (two sentences) and front-loaded with the verb and resource. Every sentence adds value—purpose, return data, and constraint.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Despite lacking an output schema, the description sufficiently explains the tool's functionality and return values for a simple query with no parameters. No gaps.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

No parameters, so schema coverage is 100%. The description adds meaningful context about what the tool returns beyond the empty schema, fulfilling the baseline expectation.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description clearly states it queries sub UIDs under the current master UID, specifies the return data (all sub UIDs and those with universal transfer permission), and notes the API key requirement. This distinguishes it from siblings like querySubMembers or listSubAPIKeysV5.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description mentions 'Master UID API key only' as a prerequisite, but does not explicitly compare to sibling tools or state when to use this tool over alternatives like querySubMembers or querySubMembersV5.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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