Conciseness

The body is dense with Turborepo-specific knowledge and avoids generic filler, but it is noticeably repeated: the 'turbo run vs turbo shorthand' rule appears in full (with WRONG/CORRECT JSON and YAML examples) both in 'Secondary Rule: turbo run vs turbo' and again in 'Using `turbo` Shorthand in Code', and .env/globalDependencies guidance recurs across 'Overly Broad globalDependencies', 'With Environment Variables', and 'Root .env File'. It also embeds a time-sensitive pinned version ("https://v2-9-17-canary-3.turborepo.dev/schema.json") outside any deprecated/old-patterns section. This fits 'mostly efficient but could be tightened' rather than the noticeably-padded anchor 2.

Actionability

Nearly every rule ships copy-paste-ready JSON/YAML/bash with explicit WRONG vs CORRECT pairs (e.g., package tasks vs root tasks turbo.json examples, `$TURBO_ROOT$` input fixes, `turbo run build --affected`), plus concrete heuristics like common outputs by framework. Guidance is fully executable and covers the common cases.

Workflow Clarity

As a guidance skill it routes work through ten explicit decision trees and embeds check-before-acting verification steps ("Before flagging missing `outputs`, check what the task actually produces" with a 3-step procedure; the prebuild fix branches on whether workspace dependencies are declared). It lacks the explicit validate-then-proceed feedback loops of the 5 anchor — e.g., cache debugging points at --summarize/--dry but no retry-on-failure loop — which is a minor gap rather than an absent sequence.

Progressive Disclosure

The bundle matches the ideal structure: SKILL.md is the overview with a categorized Reference Index table (file + purpose) for all 25 reference files, decision trees link to specific files and anchors (e.g., references/configuration/tasks.md#outputs), every referenced path verified to exist, and reference files link only to siblings one level deep with no nested chains. Navigation is easy and content is appropriately split.

Specificity

The description names the domain ("Turborepo monorepo build system guidance") and enumerates several concrete user actions ("configures tasks/workflows/pipelines, creates packages, sets up monorepo, shares code between apps, runs changed/affected packages, debugs cache"), matching the 'several specific actions; minor gaps' anchor. It stops short of the 5 anchor because the skill's own capabilities are framed only as generic 'guidance' rather than enumerated concrete actions (e.g., 'configure turbo.json tasks, set up remote cache, enforce boundaries').

Completeness

It explicitly answers both questions: 'what' via "Turborepo monorepo build system guidance" and 'when' via the concrete "Use when user: configures tasks/workflows/pipelines, creates packages, ... or has apps/packages directories" clause plus the separate "Triggers on:" list. This mirrors the 5-anchor example's structure of a clear what followed by explicit concrete trigger phrases.

Trigger Term Quality

Trigger terms are comprehensive and natural to how users express the need: "turbo.json, task pipelines, dependsOn, caching, remote cache, the \"turbo\" CLI, --filter, --affected, CI optimization, environment variables, internal packages, monorepo structure/best practices, and boundaries", plus "apps/packages directories". This covers config filenames, CLI flags, and synonym phrasings, matching the comprehensive-coverage-with-synonyms anchor; nothing obvious is missing.

Distinctiveness Conflict Risk

Triggers are anchored to Turborepo-specific tokens ("turbo.json", "dependsOn", "--filter", "--affected", "remote cache") that no other skill would claim, giving it a clear niche with minimal conflict risk. Generic terms like "caching" or "CI optimization" are embedded in a Turborepo context, so overlap risk is negligible.