library_tree

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

With no annotations, the description carries the full burden and discloses almost nothing: not whether the operation is read-only, not whether archive_json is a filesystem path or raw JSON text, and not whether large archives are truncated or paginated. The existence of an output schema removes the need to describe return values, but the input-side and safety behavior remain opaque.

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 a single short phrase with no filler, so nothing is wasted. However, the brevity comes at the cost of under-specification rather than tight, information-dense phrasing — a noun phrase with no verb is not truly front-loaded with actionable intent.

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?

An output schema exists, so return values need not be described. But for a tool with zero annotation coverage and a completely undocumented required parameter, the description should at minimum clarify the input format and the read-only nature; it does neither, leaving an agent with real gaps.

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% for the single required parameter, so the description must compensate. It hints that the value relates to an 'archive.json' from a Noteful export, but never clarifies whether the string is a path, a URL, or serialized JSON content — the single most important ambiguity for correct invocation.

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 fragment 'Folder / notebook tree from a Noteful export's archive.json' names the resource that comes back, but there is no verb and no indication of whether it reads, builds, or extracts the tree. It also does not distinguish itself from siblings like list_notebooks or live_library, which plausibly return similar hierarchy information.

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?

There is no when-to-use guidance at all: no mention of when this tree view is preferable to list_notebooks, live_library, or notebook_info. The only contextual hook is 'from a Noteful export's archive.json', which implies an offline/exported archive scenario but never states it as a selection condition.

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