Conciseness

The body is dense and table-driven with no basic-concept padding, but the same rules are restated repeatedly: the 5000-char TTS cap appears in Expected inputs, Transitions, the failure table, and Guardrail 4; the 30-minute STT cap, profile-required rule, and SIGINT handling are each stated 2-4 times. This matches anchor 3 ("could be tightened") rather than 4, where over-explanation would be only minor.

Actionability

Gives exact endpoints and commands ("GET http://127.0.0.1:17493/health", "claude mcp add --transport http voicebox http://127.0.0.1:17493/mcp"), concrete MCP tool signatures ("voicebox_speak { text, profile, language?, engine?, personality? }"), exit codes, output paths, and invocation examples. Falls short of anchor 5 because the processing mode's ffmpeg operations and a manifest field example are deferred to references rather than shown, leaving minor gaps.

Workflow Clarity

Clear sequenced workflow (Entry steps, PREPARE→ACQUIRE→ACT→VERIFY→FINALIZE scenes) with explicit validation checkpoints ("VERIFY: Confirm the response carries audio output or transcript content. Validate manifest fields"), a clarification-protocol checklist, and feedback loops in the failure table ("MCP tool name drift → Re-run tools/list and update the cache"). Matches anchor 5's explicit validation with error-recovery loops.

Progressive Disclosure

The References section is well-signaled and one level deep, with each resource annotated by purpose ("resources/voice-matrix.md (TTS profile/engine selection)", "resources/audio-processing.md", etc.), approaching anchor 5. Held at 4 because no bundle files are present to verify those references resolve, and some inline detail (the full MCP mapping notes and the Guardrail 8 manifest field specification) reads like reference material that could itself be split out.

Specificity

Names several concrete actions — "Generate or transcribe speech with Voicebox or VoiceStudio, or process existing audio locally" plus "loudness conversion" — covering TTS, STT, and audio processing. Falls short of anchor 5 because notification playback and resampling/format conversion are only implied under "process", and above anchor 3 because more than 1-2 specific actions are listed.

Completeness

Explicitly answers both questions: the "what" ("Generate or transcribe speech... or process existing audio locally") and the "when" ("Use for narration, transcripts, timed speech, and loudness conversion") with concrete trigger phrases. Matches anchor 5; anchor 4 would require a vaguer 'when' clause.

Trigger Term Quality

"Use for narration, transcripts, timed speech, and loudness conversion" supplies natural phrases users would say, with clear tool names. Not anchor 5 because common synonyms like "TTS", "text-to-speech", "voiceover", and "transcribe" are absent; not anchor 3 since keyword coverage is good rather than partial.

Distinctiveness Conflict Risk

Occupies a clear speech/local-audio niche and actively disambiguates the closest neighbor ("video editing uses oma-video"), giving minimal conflict risk. Matches anchor 5's clear niche with distinct triggers.