Conciseness

The ~50-line body is tight and assumes Claude's competence — no explanation of what WordPress, PHPUnit, or Composer are — with each section (inputs, procedure, verification, failure modes, escalation) earning its place. It sits at the 4-anchor rather than 5 because of a few generic filler lines such as "pick the right workflow and guardrails" and "Prefer the repo's existing tooling and conventions for builds/tests" that could be trimmed or made concrete.

Actionability

The body gives a concrete, runnable command ("node skills/wp-project-triage/scripts/detect_wp_project.mjs"), an exact referenced path for routing ("skills/wordpress-router/references/decision-tree.md", which exists in the bundle), and a verbatim escalation question. It is not a 5 because step 2's classification criteria and step 3's routing logic are deferred to other files, and the triage script path points outside this skill's bundle (skills/wp-project-triage/...), leaving a minor gap if that sibling skill is absent.

Workflow Clarity

The procedure is a clear numbered sequence (triage → read output → route via decision tree → apply guardrails) with a dedicated Verification section (re-run triage, run repo's lint/test/build) and a Failure modes section giving error-recovery guidance for "kind: unknown". It falls short of the 5-anchor because there is no guidance for the failure case where the triage script itself fails or is missing, and verification of the routing decision (e.g. confirming the chosen domain skill's guardrails) is only implicit.

Progressive Disclosure

The body is a concise overview with a single well-signaled, one-level-deep reference — "For the decision tree, read: skills/wordpress-router/references/decision-tree.md" — and the bundle confirms references/decision-tree.md exists and holds the bulk routing detail, keeping the router lean. The cross-skill paths inside decision-tree.md point to sibling skills' files rather than nesting this skill's disclosure another level, so navigation is flat and matches the 5-anchor.

Specificity

The description names the domain ("WordPress codebases (plugins, themes, block themes, Gutenberg blocks, WP core checkouts)") and two concrete actions ("quickly classify the repo and route to the correct workflow/skill"), which sits between the 3-anchor (1-2 concrete actions, not comprehensive) and the 4-anchor (several specific actions). It uses second-person voice ("when you need to quickly classify"), which the guidelines penalize by reducing specificity by 1, bringing an otherwise 4-level description down to 3.

Completeness

Both parts are explicitly answered: 'what' is "quickly classify the repo and route to the correct workflow/skill (blocks, theme.json, REST API, WP-CLI, ...)" and 'when' is the explicit "Use when the user asks about WordPress codebases (...)" clause with concrete trigger phrases. It matches the 5-anchor example's structure (action list + 'Use when...' with specific triggers); it is not a 4 because the 'when' clause is already explicit and specific rather than improvable.

Trigger Term Quality

Strong natural keyword coverage — "plugins", "themes", "Gutenberg blocks", "WP core", "theme.json", "REST API", "WP-CLI", "performance", "security", "testing" — terms users would naturally say. It falls just short of the 5-anchor because common variations like "wp-content", "block development", or ".php" are absent, and it is not clearly below this level since the listed terms map directly onto how users phrase WordPress requests.

Distinctiveness Conflict Risk

The WordPress-routing niche is clear with distinct triggers (repo classification, workflow routing), so it is well above the 3-anchor's generic overlap. However, because it deliberately triggers on the very same keywords (blocks, theme.json, REST API, WP-CLI) as the domain skills it routes to, there is minor overlap risk with closely related sibling skills, matching the 4-anchor rather than the minimal-conflict 5-anchor.