Conciseness

The body explains nothing Claude already knows and is maximally compressed ("Every `text-guard.sh` call is ONE command of its fence shape: unquoted script path, each value single-quoted, no `cd`, `VAR=`, `;`, `&&`, `|` or `$(…)`"), but gate percentages (>=98%, >=95%, 100% sub-gate) and dedup/mode rules repeat across the Modes table, Loss Budget table, Mode-to-Rules mapping, per-mode pipelines, and Iron Rules, and two H1 headings ("# Optimize text for tokens" / "# Text & File Optimizer") create overlapping intros. Efficient with minor trims available — matches anchor 4, not the 'every token earns its place' of 5.

Actionability

Fully concrete, executable guidance: exact command shapes with exit-code semantics ("bash <skill-directory>/scripts/text-guard.sh snapshot '<file>'...", "verify --no-restore --run-dir '<RUN_DIR>'", exits 0/1/2 each with a defined response), copy-paste spawn briefs carrying all six labeled fields (GOAL/ROLE/SCOPE/CONTEXT/CONSUMER/DONE), a literal PLAN block template, a 10-row usage-examples table, and a report template naming the measurement commands (`wc -w`/`wc -c`/`wc -m`). Placeholders like <skill-directory> have explicit resolution instructions, so examples cover the common cases.

Workflow Clarity

Explicitly sequenced Phase 0-3 with MANDATORY labels, STOP conditions, and per-exit-code handling, plus exceptional validation for a destructive in-place batch operation: mechanical sub-gate, independent per-file semantic verifier ("the writer never accepts itself"), patch-and-re-verify loops, a refusal-not-warning rule ("The 100% semantic sub-gate is a REFUSAL, not a warning"), and Safe recovery with ownership-proof checkpoints and RESTORE_REFUSED semantics. The per-mode pipeline phase numbering is explicitly reconciled with orchestration phases ("independent acceptance is the skill's Phase 3"), so no real ambiguity remains.

Progressive Disclosure

References are one level deep, all real (references/rules-review.md, standard-compression.md, deep-compression.md, max-compression.md, and scripts/text-guard.sh all exist in the bundle), and clearly signaled — Step 0 marks rules-review.md as REQUIRED with a hard stop, and the Mode-to-Rules table maps each mode to its compression reference. Not 5: the ~320-line body still inlines per-mode pipeline and dedup-pass detail that could live in the mode references, carries a duplicate H1, and never mentions the bundled scripts/test-optimize.sh; not 3 because the split between orchestration and technique tables is appropriate and navigation is easy.

Specificity

"Optimizes text, docs and LLM prompts (AGENTS.md, rules, agent/skill files) for token efficiency in place, snapshot-backed, without losing facts" names a narrow domain plus several concrete operational properties (in-place mutation, snapshot backing, fact preservation). Not 5 because it describes one capability family rather than multiple distinct actions; not 3 because the operational detail clearly exceeds the '1-2 concrete actions' anchor.

Completeness

Both halves are explicit: what — "Optimizes text, docs and LLM prompts ... for token efficiency in place, snapshot-backed, without losing facts"; when — "Use when asked to optimize, compress or cut tokens of named files" reinforced by a concrete trigger list. This directly matches the 5 anchor (clear what AND when with concrete trigger phrases).

Trigger Term Quality

The trigger list — "optimize, reduce tokens, compress, deep compress" plus "Use when asked to optimize, compress or cut tokens" and Russian "сожми, оптимизируй" — gives good natural-phrase coverage matching what a user would actually say. Not 5 because common synonyms like 'shorten', 'trim', 'slim', or 'minify' are absent; not 3 because coverage goes well beyond 'some relevant keywords'.

Distinctiveness Conflict Risk

The niche is clear — token-efficiency compression of AGENTS.md/rules/agent/skill files — with triggers unlikely to fire for unrelated skills. Not 5 because the generic word "compress" carries minor overlap risk with archive/compression (zip/gzip) skills and "optimize" with code-optimization skills; far above the 2-3 anchors given the narrow scoped targets.