Conciseness

The body is command-first and efficient with essentially no explanation of concepts Claude already knows, e.g. "npm install -g @googleworkspace/cli" and "grep -o 'https://accounts.google.com[^ ]*' /tmp/gws-auth-output.txt". Minor over-explanation could be trimmed: the 12-line "Expected format" JSON block for client_secret.json and the explanation of why the OAuth URL wraps in the terminal. This fits anchor 4 ("Efficient; minor instances of over-explanation that could be trimmed"); it is not 5 because those padded spots exist, and not 3 because the excess is minor.

Actionability

Every step is backed by copy-paste-ready commands covering the common cases: pre-flight checks ("which gws && gws --version"), three credential options (paste, file path, env vars), background auth with output capture, URL extraction and programmatic open, and end-to-end verification ("gws calendar +agenda --today"). This matches anchor 5 ("Fully executable; copy-paste ready code or commands; specific examples cover the common cases").

Workflow Clarity

The 6-step sequence is clearly ordered with validation checkpoints at each stage ("gws --version" after install, "gws auth status" after auth, a dedicated Verify step) and a Troubleshooting section for error recovery. However, Step 1's branch "If already authenticated with the right scopes, skip to Step 4" is incoherent — Step 4 is Authenticate, so an already-authenticated machine should skip to Step 5. This fits anchor 4 ("Clear sequence with most checkpoints present; minor validation gaps"); the explicit feedback loops keep it above 3, and the flawed conditional keeps it below 5.

Progressive Disclosure

There are no bundle files (no references/, scripts/, or assets/ directories), and the ~125-line body is organized into clear sections with a See Also list linking sibling skills ("[gws-setup](../gws-setup/SKILL.md)", "[gws-shared](...)"). Structure is good, but all content is inline in a file over 50 lines — the troubleshooting detail and the client_secret.json format spec are candidates for a one-level-deep reference file. This fits anchor 4 ("Good structure; most content is appropriately placed... minor organization gaps") rather than 5, which would require well-signaled external references with appropriately split content.

Specificity

The description names the domain and one concrete action — "Quick install of the Google Workspace CLI (gws) on an additional machine using existing OAuth credentials" — plus the prerequisite "Requires client_secret.json from a previous gws-setup", but does not enumerate the sub-actions performed (credential setup, authentication, agent-skill installation). This matches anchor 3 ("Names domain and 1-2 concrete actions, but not comprehensive"); it is not 4 because it does not list several specific actions, and not 2 because the language is concrete rather than generic.

Completeness

It explicitly answers both what ("Quick install of the Google Workspace CLI (gws) on an additional machine using existing OAuth credentials") and when ("Use whenever the user wants to install gws on a new computer, reinstall after a fresh OS...") with concrete trigger phrases. This mirrors the anchor-5 good example structure; a 4 would require the 'when' clause to be less explicit, which it is not.

Trigger Term Quality

"Use whenever the user wants to install gws on a new computer, reinstall after a fresh OS, configure a second workstation, or says 'install gws', 'gws on new machine', 'set up gws again'" provides comprehensive natural-language triggers with synonym and phrasing variations users would actually say. This clearly matches the anchor-5 example pattern (comprehensive natural terms including synonyms); score 4 would require missing common variations, which is not the case.

Distinctiveness Conflict Risk

The niche is clear — reinstall on an additional machine using existing credentials, explicitly gated by "Requires client_secret.json from a previous gws-setup" — but triggers like "install gws" and "set up gws again" overlap with the closely related gws-setup skill for first-time users. This fits anchor 4 ("Mostly distinct; minor overlap risk with closely related skills") better than 5, since a first-time user asking to "install gws" could still land here.