papertrail_for_chunk

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

No annotations are provided, so the description must disclose behaviors. It mentions 'cached' data and the nature of the output (current text + references), but doesn't clarify if it's destructive, rate-limited, or requires authentication. Insufficient for safe invocation.

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 extremely concise (one sentence), but it lacks structure. It could be improved by separating parameter details or adding bullet points.

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 the complexity of returning 'current text plus cached GitHub references' and no output schema, the description is too sparse. It doesn't cover return format, pagination (though limit suggests it), or error conditions.

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 the description adds no explanation for the two parameters (chunk_id, limit). Without any parameter context, the agent cannot determine what values are appropriate.

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 clearly states the tool retrieves the 'why' behind a chunk, including its current text and linked GitHub issues/PRs/reviews. It distinguishes from siblings like papertrail_for_commit and papertrail_for_symbol by specifying 'for chunk'.

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?

No guidance on when to use this tool over alternatives. It doesn't mention prerequisites, context, or when not to use it. Sibling tools exist but no differentiation provided.

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