Conciseness

The body is almost entirely terse directives and executable commands with no explanation of SSH or macOS basics Claude already knows; the single explanatory line ('This means launchd accepted TCP but refused to spawn more sshd inetd copies.') captures non-obvious domain insight. Every token earns its place, matching the 'lean and efficient' anchor.

Actionability

Every section provides copy-paste-ready bash (e.g. 'ssh -o RequestTTY=no -o RemoteCommand=none HOST '\''hostname; id -un'\'', the launchctl inspect/kickstart commands, and the marker-checked awk presence test), covering the common cases. Fully executable throughout.

Workflow Clarity

The triage flow has clear branch logic ('Validate locally first: loopback failure means server-side sshd/launchd/config; loopback success plus remote failure means network/firewall/filter/listen path'; 'Only after loopback works but remote fails') and validation around the destructive batch kill (inspect-first, post-TERM ps re-check, 're-check ownership ... before using KILL'), so the destructive-operation cap does not apply. Falls short of 5 because the sequence is implied by section order rather than explicit checkpoints or feedback loops (e.g. no re-test of SSH after clearing stale sessions).

Progressive Disclosure

No bundle files exist; the skill is a self-contained, well-organized single file with clear section headers, and the core diagnostic commands belong inline. Minor gap: the niche 'OP Profile Block' section (~30 lines for a specific token-sync scenario) is arguably separate-reference material, keeping it below the top anchor.

Specificity

Names the domain ("SSH triage") and lists several concrete focus areas ("Remote Login, launchd sshd, pre-auth closes, stale sessions"), matching the 'lists several specific actions; minor gaps' anchor. Not 5 because 'triage' is the only action verb and the actual diagnostic actions are not spelled out; not 3 because it goes beyond naming the domain with only 1-2 items.

Completeness

Has a clear 'what' (SSH triage across named failure modes) but no 'Use when...' clause or equivalent explicit trigger guidance, which caps completeness at 3 per the judging guidelines. Not 4 because the 'when' is entirely absent rather than merely weakly implied.

Trigger Term Quality

Good natural keyword coverage — 'SSH', 'Remote Login', 'stale sessions', 'launchd sshd' — but common user phrasings like 'connection closed', 'connection refused', or 'can't SSH in' are missing. Fits the 'good keyword coverage; a few natural terms missing' anchor, better than the 'some relevant keywords' level.

Distinctiveness Conflict Risk

Clear niche (macOS sshd/launchd/Remote Login diagnostics) with distinct, specific triggers unlikely to collide with other skills, matching the 'clear niche with distinct triggers; minimal conflict risk' anchor.