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

No annotations are provided, so the description carries the full burden. It usefully discloses that the chain is tamper-evident and that entries are not signed, which is important trust-model context. However, it does not say whether the operation is read-only, what authorization is required, how failures are reported, or what the recomputation returns.

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 front-loaded sentence with no wasted words. The parenthetical adds a key qualifier without bloating the definition. It is appropriately sized for the tool's apparent simplicity.

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?

With no output schema and no annotations, the description needs to explain more about what the verification actually returns and what client_id identifies. It gives purpose and a trust-model note, but omits parameter meaning, result interpretation, and failure behavior. An agent would need to guess at invocation semantics.

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 there is one required parameter, client_id, which is undocumented in both the schema and the description. The description does not compensate by explaining what a client_id is or how it scopes the verification. The parameter is effectively opaque to the agent.

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 and resource: recompute an agent audit trail SHA-256 hash chain. It distinguishes this from mere querying in spirit, but does not explicitly differentiate it from siblings like audit_query. Clear purpose without sibling routing.

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 prerequisites, and no named alternative. The agent can infer that this verifies an audit trail, but nothing states when to choose this over audit_query or evidence_bundle. No exclusions or context are provided.

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