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

With readOnlyHint=true already covering safety, the description adds valuable behavior context: verification is based on an Ed25519 signature by the service and checks that the receipt seals exactly the given request and result. It does not explain failure modes or prerequisites such as key trust, but the cryptographic nature is disclosed.

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 short and front-loads the core verification semantics. The parenthetical phrase 'a run here asks for its verdict, so the request it seals says so' is awkward and slightly obscures rather than clarifies the instruction.

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?

Given that an output schema exists and annotations declare the operation read-only, the description supplies the key context needed to call it correctly: what is being verified and where the exact request and result objects come from. It stops short of explaining verification failure semantics, but the output schema can carry that detail.

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 both parameters are nested objects, so the schema alone provides almost no semantic guidance. The description compensates partially by saying to pass the job's own request as returned by run_quantum_circuit or get_quantum_job and its corresponding result, but the confusing parenthetical about the request asking for its verdict weakens clarity about the required exact object.

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 states a specific verification action on a specific artifact: it checks whether a result's Ed25519 service signature seals exactly the supplied request and result. This clearly distinguishes the tool from job-running and circuit-analysis siblings, though it frames the purpose as a question rather than an imperative verb phrase.

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?

It implies usage by instructing the caller to pass the job's own request and result, and it names run_quantum_circuit and get_quantum_job as sources. However, it does not explicitly say when to use this versus not using it, nor what conditions make verification appropriate.

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