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

Annotations already declare readOnlyHint, idempotentHint, non-destructive and closed-world, so the safety profile is fully covered without the description. The description adds the enumerated state values, which is real behavioral context, but says nothing about ordering, pagination, or how many bonds come back.

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 sentence with the verb, resource, optionality and permitted values, in that order. Nothing is padded or repeated from the title.

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?

An output schema exists, so return values need not be explained, and annotations cover the safety profile. With one optional parameter, the only real requirement was documenting the state values, which it does; minor gaps are result ordering and pagination.

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 description coverage is 0% and the schema types 'state' as an unconstrained string with no enum, so the description carries the full burden. It discharges that by naming the four legal values (POSTED, ACTIVE, RELEASED, EXHAUSTED) and marking the parameter as optional, adding meaning the schema lacks. It stops short of saying whether matching is exact/case-sensitive.

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?

States a specific verb ('List') and resource ('bonds') with its optional filter, so the agent knows exactly what the call returns conceptually. It does not explicitly distinguish itself from nearby siblings like bond_status, but the read/list shape is unambiguous.

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?

The word 'optionally' tells the agent the filter is not required, which is useful usage context. However, it never says when to prefer this over bond_status or why one would pass a state filter, so guidance is implied rather than explicit.

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