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

Annotations already declare readOnlyHint/idempotentHint/non-destructive, so the safety profile is covered; the description adds genuinely new context: manage_options is required, network-activated plugins are excluded from the active count, and the call is forwarded by AlphaBridge Connect to a single site. No statement about error behavior or what happens with insufficient capability, which keeps it off 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?

The purpose is front-loaded and the alternative-routing clauses close the paragraph, which is the right order. The middle is a long enumerated field list that is dense but each item is information an agent would otherwise have to guess, since there is no output schema.

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?

With no output schema, the description carries the burden of describing return contents and does so exhaustively, plus the capability gate and the caller-side forwarding note. Nothing an agent needs to decide to call this tool is missing.

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?

Zero parameters, so the baseline is 4. The description correctly confirms 'takes no arguments', matching the empty input schema rather than inventing optional filters.

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?

Specific verb ('Get an overview') + resource, with an enumerated set of returned fields (versions, URLs, HTTPS, multisite, locale, theme, plugin counts, endpoint/version, connections). It explicitly distinguishes itself from wp_site_health and wp_get_site_settings, so an agent can pick correctly without opening any schema.

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?

Names both alternatives and the exact condition that selects them ('wp_site_health adds debug mode, object cache and pending updates; wp_get_site_settings returns title, email, timezone'). It also states the manage_options requirement and that the tool takes no arguments, leaving nothing to infer.

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