Conciseness

The body is lean with no padding or explanations of known concepts; every instruction carries non-obvious information, and even the preamble warning is justified by its consequence ("a preamble can mistakenly become the thing being annotated"). Matches anchor 5 — every token earns its place; not 4 because there is no over-explanation to trim.

Actionability

Provides a copy-paste-ready command (`plannotator last`) and concrete branch handling keyed to exact output values ("decision": "dismissed", "decision": "approved" with a "feedback" field, empty output). Fully actionable instruction-only guidance covering the common cases; matches anchor 5.

Workflow Clarity

A simple, single-purpose skill whose one action is unambiguous, with an explicit numbered sequence and decision checkpoints covering the ambiguous outcomes — notably "closing the session is not approval". The simple-skill exception applies and this is not a destructive or batch operation, so no validation cap; anchor 5 fits.

Progressive Disclosure

The skill is under 50 lines with no need for external references (none exist in the bundle), and the content is well organized into a heading, preamble rule, command block, and behavior list. Per the rubric's simple-skill guideline this scores 5.

Specificity

Names the domain (Plannotator annotation) and exactly two concrete actions — "Open Plannotator on the latest rendered assistant message" and "use the returned annotations to revise that message or continue" — but coverage is not comprehensive (no mention of handling approvals with notes or dismissal). This matches anchor 3 (domain plus 1-2 concrete actions) rather than anchor 4's "several specific actions".

Completeness

The "what" is clear (open Plannotator on the latest message and use returned annotations), but the "when" is entirely missing — no trigger guidance of any kind. Per the judging guideline, a missing 'Use when' clause caps completeness at 3; it is not 2 because the "what" is concrete and specific.

Trigger Term Quality

Relevant keywords are present ("Plannotator", "annotations", "revise") but there is no "Use when" clause and no natural synonyms or variations a user would say, such as "annotate my last message" or "mark up my response". Fits anchor 3 (some relevant keywords, missing common variations); not 4 because natural phrasing users actually say is absent.

Distinctiveness Conflict Risk

"Open Plannotator on the latest rendered assistant message" names a unique tool with a precise target, giving it a clear niche with minimal conflict risk against other skills. Matches anchor 5; no neighboring anchor fits better since no other skill would plausibly claim this trigger.