BinanceSubAccountGetMarginSummary

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

No annotations are supplied, so the description carries the full behavioral burden and largely drops it. It does not confirm the operation is read-only, does not state what the returned summary contains (balances, margin level, risk ratio), and does not describe what happens when the optional email is omitted (defaults to all sub-accounts vs. an error).

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

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

A single front-loaded sentence with no filler or redundancy. Its brevity is clean, though the terseness borders on under-specification rather than disciplined conciseness.

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

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

For a tool with no annotations, no output schema, and a meaningful optional parameter, the description should explain the account scoping behavior and the shape of the 'summary'. Neither is covered, so an agent cannot predict the response or the no-email case from the definition alone.

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

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

Schema coverage is 100%, with both 'email' and 'recvWindow' documented inline, so the baseline is 3. The description adds no extra meaning, such as whether omitting email aggregates across all sub-accounts or the significance of recvWindow for this endpoint.

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

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

The description gives a specific verb ('Query') and a specific resource ('sub-account margin account summary'), and the 'margin' qualifier implicitly separates it from siblings like BinanceSubAccountGetSpotSummary and BinanceSubAccountGetFuturesSummary. It never names those alternatives explicitly, so the differentiation is inferential rather than stated.

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

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

There is no when-to-use guidance, no mention of prerequisites (e.g. that the caller must be the master account), and no pointer to the spot/futures summary siblings that an agent must choose between. The agent is left to infer the use case purely from the tool name.

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