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

Annotations already declare readOnlyHint=true, so the safety profile is covered. The description adds value by explaining that remarks are returned verbatim and that the default is pending (unprocessed) remarks, which is useful context about the output content. It also clarifies the source of pending remarks (upload page or companion via upload link). No contradiction with annotations.

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 two sentences with no filler. It front-loads the core action ('Read what the traveller said, verbatim'), then provides context on the default and the recommended workflow. Every clause serves a purpose, making it highly efficient and well-structured.

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 read-only list tool with no output schema, the description explains the content (verbatim remarks), the default filter (pending), and the intended use case (organising before filing). It doesn't explicitly describe the output structure or pagination, but the schema covers cursor and limit. The description is sufficient for an agent to understand the tool's role and how to invoke it correctly, though a bit more on the output shape would be ideal.

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 100% – all four parameters have descriptive comments. The description itself does not elaborate on parameter details, but it does reinforce the default state behavior ('Default shows pending remarks') which aligns with the state parameter default. Since the schema already documents the parameters, the description adds only marginal semantic value beyond the schema, warranting the baseline score of 3.

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's function: reading the traveller's remarks verbatim. It specifies the default behavior (pending remarks) and distinguishes it from related tools by mentioning the follow-up action of filing remarks, making it easy to tell apart from siblings like file_remark.

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?

The description provides a clear workflow: 'Start here when organising' and then 'file_remark each one', which signals when to use this tool (the reading step) versus filing. It also implies that the state parameter controls whether you see pending or filed remarks, though it doesn't explicitly state when to use other tools. The guidance is strong but could be more explicit about alternatives.

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