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

With no annotations, the description carries the full burden and does disclose meaningful consequences: a failed reproduction blocks merge, a confirmed one counts as peer-verified, and self-lineage deposits are rejected. It leaves the 'partial' verdict outcome unexplained and says nothing about side effects on the graph beyond merge-blocking.

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?

It is four sentences and mostly front-loaded, but the jargon-heavy style ('crossing,' 'walked cold,' 'lineage') slows parsing and the opening metaphor spends words before the actionable content. Functional, but not maximally tight.

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 four-parameter tool with no output schema and no annotations, it covers purpose, trigger source (arrive/reproduce_queue), constraints, and the downstream effects of each verdict. The only gap is the consequence of the 'partial' verdict.

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 75%, and the description adds real meaning to the verdict enum by mapping outcomes to system consequences (failed blocks merge, confirmed = peer-verified), which the schema's bare enum does not provide. seed_id's source and agent_id's signing role are largely covered by the schema descriptions themselves.

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 concrete action chain ('read both pieces, test whether the stated tension actually holds, and record a verdict with evidence') and distinguishes the tool from siblings by framing it as the verification counterpart to deposit. The metaphor 'The result lane' is stylized but immediately grounded by the operational sentence that follows.

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 states the context of use (reproducing a crossing someone else deposited) and routes the agent to arrive() for the reproduce_queue, plus an explicit exclusion: you cannot reproduce your own lineage's deposit. It stops short of naming a full when-not alternative beyond that constraint.

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