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

Annotations declare readOnlyHint=true, so the safe-read profile is covered. The description adds the useful diagnostic framing ('first place to look when a job failed') but doesn't describe ordering, pagination, retention, or how many events to expect. With annotations covering safety, a 3 reflects added context without rich behavioral disclosure.

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?

Two tight sentences plus an endpoint hint. The purpose and diagnostic framing are front-loaded, and every sentence earns its place with no redundancy.

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 simple read-only list tool with annotations covering safety and a fully documented single parameter, the description is nearly complete. It tells the agent what it returns (event types) and when to reach for it. Missing only return ordering/volume details, which is minor for a diagnostic event log.

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?

Only one parameter, and the schema fully documents it (100% coverage, e.g. 'ft-abc123'). The description adds the endpoint path context (GET /fine-tunes/{id}/events), which corroborates the parameter's role. Baseline for a 0-param tool is 4; here the single param is already well described, and the description doesn't add format detail beyond the schema.

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 and resource: 'List the event log of one fine-tuning job.' The parenthetical enumerates the actual event types (queued, started, checkpoint saved, epoch completed, errors), which makes the purpose concrete and distinguishable from siblings like together_get_fine_tune or together_list_fine_tunes.

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?

Explicitly gives a strong usage context: 'The first place to look when a job failed.' That's a clear when-to-use signal for a diagnostic scenario. It doesn't name an alternative tool or state when-not-to-use, which keeps it short of a 5.

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