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

The description adds useful behavioral details beyond annotations: the result is signed, time-limited to five minutes, and based on current technical facts. However, annotations indicate readOnlyHint=false and idempotentHint=false, yet the description does not clarify whether calling this tool mutates state or has side effects, which is a meaningful gap for a non-read-only operation.

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?

The description is a single dense sentence with no filler. It front-loads the action and includes the key constraints (valid passport, opted-in agent, five-minute signed delegation preflight) without redundant phrasing.

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 single-parameter tool, the description identifies the required input and the output, but key operational context is missing: when exactly to run a preflight versus obtaining a passport or verifying a token, whether the call has side effects, and what the returned signed preflight should be used for. The lack of an output schema raises the burden further.

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%, so the description is the only source of parameter meaning. It does add that the passport must be a valid NAIF Trust Passport, which is helpful, but it does not explain what form the passport takes, how to obtain one, or how to determine validity. This only partially compensates for the missing schema documentation.

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 names a specific verb (re-check) and output (signed delegation preflight with current technical facts), and makes the input source explicit (valid NAIF Trust Passport). This clearly separates it from sibling tools like get_agent_trust_passport or verify_trust_token, which serve different purposes.

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 description provides clear context: use when you already have a valid NAIF Trust Passport and need to re-check an opted-in agent to produce a delegation preflight. It does not explicitly name alternatives or exclusions, but the precondition is specific enough to guide selection among the sibling tools.

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