Conciseness

The body is dense with non-obvious operational facts Claude would not know (the 5m `--print-timeout` default, permission-mode inheritance, the exact `authentication failed or timed out` error), with no padding of known concepts. The closing 'Example' paragraph partially restates earlier guidance ("parse the `response` and any reported `error`, and inspect the resulting diff"), so minor trimming is possible — anchor 4 rather than 5.

Actionability

It provides a copy-paste command (`agy -p "<prompt>" --output-format json`), a concrete availability check (`command -v agy`), and explicit failure semantics ("anything other than a success status is a failure", "Treat unparseable output as failure too"). The actual success status value is never named, a minor gap that keeps it below fully executable anchor 5.

Workflow Clarity

A clear numbered sequence with explicit validation checkpoints — availability check, JSON `status` parsing, unparseable-output handling, and "inspect the diff afterward" — plus error-recovery paths (auth failure → stop and ask the user). The destructive-operation cap does not apply because validation steps are present, so the anchor-5 match holds.

Progressive Disclosure

A simple, single-purpose skill under 50 lines with no external references needed, organized into two clear sections (Run, Authentication And Permissions); under the rubric's simple-skill exception this scores 5, and no dangling file references exist since no bundle files are present.

Specificity

"Run Antigravity CLI non-interactively for coding tasks" names the domain (Antigravity CLI) and one concrete action (run non-interactively), matching the anchor for 1-2 concrete actions without comprehensive coverage. It is not a 4 because no list of several specific actions (e.g., what kinds of coding tasks it handles) is given.

Completeness

It answers both what ("Run Antigravity CLI non-interactively for coding tasks") and when ("Use when the user asks to delegate work to Antigravity") explicitly. It is not a 5 because the 'when' is a single, self-referential trigger phrase rather than a set of concrete trigger variations.

Trigger Term Quality

"delegate work to Antigravity" and "coding tasks" are natural phrases a user would say, giving good keyword coverage; a few natural variants (e.g., "hand off", "ask Antigravity") are missing, so it falls just below the comprehensive synonym coverage of a 5.

Distinctiveness Conflict Risk

The named third-party CLI ("Antigravity") plus its explicit trigger ("delegate work to Antigravity") defines a clear niche with minimal risk of triggering for the wrong skill, matching the anchor for distinct triggers better than the 4 anchor's 'minor overlap risk with closely related skills'.