Conciseness

The body is mostly load-bearing, project-specific knowledge Claude could not guess, but it repeats the "two loops never block each other / memory loop is separate" point across Step 2, Step 9, Step 10, and the Inner-skill-dependency section, and Step 2's walk-through and Step 7's auth tradeoffs restate detail already in references/dispatcher-explained.md and references/reviewer-options.md. This is more than minor over-explanation (anchor 4) but well short of heavily padded generic content (anchor 2), landing on "mostly efficient but could be tightened".

Actionability

Guidance is fully executable throughout: exact copy commands ("git worktree add --detach ../<repo>-harness origin/main", "/loop 5m /poll-and-dispatch", "gh release view --repo anthropics/claude-code-action"), exact source→destination file paths for every artifact, an explicit .gitignore block, and chmod instructions with the exception (harness-lib.sh is sourced, not executed). Every generated artifact is backed by a real template in assets/, so nothing relies on improvisation.

Workflow Clarity

Steps 0–10 are clearly sequenced with explicit validation checkpoints: preflight gates the run, Step 8's provisioning "doubles as validation of the bootstrap script" with fix-and-re-run, Step 9 dry-runs both tick scripts and instructs "If anything errors, debug before starting the loops", and the confirm → do → show → adjust loop with the user runs through the whole flow. Re-run and STUCK-path handling add error-recovery feedback loops, matching the anchor-5 pattern.

Progressive Disclosure

All nine references/ and twelve assets/ files are referenced by exact path, one level deep, verified to exist, with a prioritized "read first" list and per-step reference loading — good structure overall. However, the ~320-line body inlines reference-level detail (the Step 2 dispatcher walk-through and Step 7 auth-mode tradeoffs) that duplicates dispatcher-explained.md and reviewer-options.md, so some content that should live in the referenced files is inline, keeping it below anchor 5.

Specificity

The description enumerates five concrete artifacts it sets up — "the polling loop, the deterministic dispatcher, its config, the AGENTS.md contract, and the worktree provisioning that makes per-feature worktrees runnable" — giving comprehensive, specific coverage of what the skill does rather than vague domain language. This matches the anchor-5 pattern of listing multiple specific concrete actions; there are no coverage gaps for a setup skill.

Completeness

It explicitly answers both questions: the "what" is "One-time, guided setup of the local agent-first coding harness" with enumerated artifacts, and the "when" is a concrete "Use when a developer wants to set up, bootstrap, install, or initialize the coding harness for the first time in a project." This is a direct match for the anchor-5 example structure (what + Use-when with trigger phrases).

Trigger Term Quality

The when-clause includes four natural synonym verbs users would actually say — "set up, bootstrap, install, or initialize" — plus "for the first time in a project", which is good keyword coverage. A few natural phrasings are missing (e.g. "stand up the harness", "get the harness running"), and the object term is limited to "coding harness", so it sits between anchors 4 and 5, noticeably above the midpoint but not fully comprehensive.

Distinctiveness Conflict Risk

"Local agent-first coding harness" with niche artifacts ("polling loop", "deterministic dispatcher", "AGENTS.md contract") carves a clear, distinct trigger niche with minimal conflict risk. The generic verbs ("install", "initialize") carry overlap potential, but they are bound to the specific object "the coding harness", which matches the anchor-5 example of a distinct trigger set; not anchor 4, since no closely related skill would plausibly capture these triggers.