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

Annotations already declare readOnlyHint, idempotentHint, destructiveHint=false and openWorldHint=false, so the safety profile is fully covered by structured data. The description adds the required API-key scope (`views:read`), which is useful auth context, but says nothing about behavior on an unknown or foreign-workspace identifier.

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?

Two tight sentences with the identifier format and the required scope front-loaded and nothing redundant. Every clause carries information the agent needs.

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 lookup with full annotations this is close to sufficient, but with no output schema the agent gets no hint about what a view object contains or whether a missing ID errors versus returns empty. A brief return/error note would close the 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?

The account and workspace parameters are documented in the schema (67% coverage), and the description adds the one thing the schema omits: the `vw_…` format of `identifier`. That is a real semantic gain, but it does not clarify identifier scope (workspace-bound vs global) or the account/workspace interaction.

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 (Fetch) and resource (a view) plus the identifier form (vw_…), so the agent knows exactly what it retrieves. It does not distinguish itself from pm_list_views or pm_update_view, but the singular-by-ID framing makes the distinction inferable.

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?

"by identifier" implies this is the single-object lookup used once you already have an ID rather than for discovery, which is genuine but unstated usage guidance. There is no explicit when-to-use/when-not and no mention of pm_list_views as the alternative for enumerating views.

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