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

Annotations already declare readOnlyHint/idempotentHint/OPEN-world=false, so the safety profile is covered. The description adds real behavioral value by disclosing the visibility model: restricted pages you cannot access are hidden and never-published pages are hidden unless you can edit them. It omits pagination/result-cap behavior, which keeps it from a 5.

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?

Three short sentences with no filler, and the scope ('metadata only') plus the org-vs-project constraint are front-loaded ahead of the visibility caveat.

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 one-optional-parameter list tool with no output schema, the description covers scope, filtering, and visibility rules. Only return-shape details such as pagination or the metadata fields returned are unaddressed, a minor 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 100% and the single optional parameter is fully documented in the schema, so the description's projectId sentence largely mirrors the schema text rather than adding new meaning. Baseline 3 applies when the schema carries the parameter burden.

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 ('List web part pages') and immediately scopes the return to metadata only, which separates it from content-returning siblings like get_page. The PRO+ qualifier adds useful tier context.

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 explains how to choose the projectId value (omit for org pages, pass for project pages), but that is parameter guidance rather than tool-selection guidance. It never says when to use this versus get_page, list_wiki_pages, or list_documents, so alternatives are left to inference.

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