Conciseness

Opens with 'This standalone skill is deprecated' and every subsequent line is load-bearing: the canonical path, a non-combination rule, the advisory-reading clarification, and exact install commands. No padding or explanation of concepts Claude already knows, matching the lean anchor at 5 rather than the minor-trim anchor at 4.

Actionability

Provides a concrete decision workflow and copy-paste Claude Code commands ('/plugin marketplace add awslabs/agent-plugins', '/plugin install databases-on-aws@agent-plugins-for-aws'). Minor gap: Codex and Cursor users get only a link to current instructions rather than inline commands, so it falls short of the fully-executable anchor at 5.

Workflow Clarity

A clear numbered sequence with a decision branch (canonical skill available → follow it; unavailable → explain the move) and an approval gate ('Get explicit user approval before installing anything'). No error-recovery guidance for the failure path (e.g., what to do if the marketplace add fails), which keeps it below the feedback-loop anchor at 5; there are no destructive or batch operations, so the cap of 3 does not apply.

Progressive Disclosure

The body is under 50 lines, needs no external reference files, and is organized into clear sections (redirect path, redirect rules, install commands). Per the simple-skill guideline this earns a 5 with just well-organized sections; there are no nested or buried references.

Specificity

Names the domain ('Aurora DSQL guidance') and one concrete action ('compatibility redirect'), but the remainder of the sentence is a trigger list rather than additional capabilities. Fits the anchor 'names domain and 1-2 concrete actions, but not comprehensive'; it does not list several specific actions, ruling out 4.

Completeness

Explicitly answers what ('Deprecated compatibility redirect for Aurora DSQL guidance') and when ('Use when a request concerns DSQL, Aurora DSQL, ...') with concrete trigger phrases, matching the anchor-5 example pattern. The explicit 'Use when...' clause rules out the cap of 3 and the vaguer anchors below.

Trigger Term Quality

'DSQL, Aurora DSQL, distributed SQL, DSQL schemas, migrations, queries, authentication, performance' provides good keyword coverage of natural user phrasing. A few natural variations (e.g., 'DSQL database', 'Amazon Aurora') are missing, so it falls short of the comprehensive-synonym anchor at 5.

Distinctiveness Conflict Risk

'DSQL' and 'Aurora DSQL' carve out a clear niche with distinct triggers, but the generic terms 'queries, authentication, performance, application development' create minor overlap risk with general database/SQL skills. Fits 'mostly distinct; minor overlap risk with closely related skills' rather than the minimal-conflict anchor at 5.