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

Annotations are weakly negative (readOnlyHint=false) on what is in fact a no-side-effect dry run, and the description usefully corrects that by stating nothing is created and no funds are needed. It also describes the return payload (valid flag, errors with code/param/message, optional verification report) despite there being no output schema. It omits auth/permission requirements and any rate or size limits.

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 dense sentences, zero waste, with the core concept (dry-run, no creation, no funds) front-loaded and the conditional behavior (sample_output) placed after. Nothing needs to be read twice.

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 21-parameter tool with nested acceptance_tests and no output schema, the description does cover the return shape, which is valuable, but it leaves most parameters undocumented and gives no hint of conditional requirements (e.g., auto_award needing bidding_window_seconds, deadline/bidding-window ordering). Adequate but with a clear coverage gap.

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 coverage is only 38% across 21 parameters, so the description carries the burden and largely fails to: it adds meaning only for sample_output (that it drives the acceptance-test/spot-check report). The description leans on 'a post_task body' to imply the rest, which is an unstated dependency rather than parameter 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?

States a specific verb and resource — dry-run a post_task body — and immediately frames the scope relative to posting: same validation, no creation, no funds. An agent can distinguish this from post_task and preview_verification from the description alone.

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?

Clearly implies the usage context (validate a task spec before committing to post_task, with no cost), and it names a specific trigger for the deeper behavior ('when sample_output is given'). It does not state explicit exclusions or point to sibling tools, so it stops 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.