voice

voice is a skill for Claude Code, Codex from zircote/human-voice. It costs 65 tokens per session (914 once invoked), scanned A, original, MIT.

A guided interview system that asks questions about a writer's style and builds a written profile from the answers and writing samples.

In plain words
What is it for?
Running a voice interview, analysing writing style, and creating a profile covering formality, emotional tone, and other style traits.
Why use it?
It turns vague preferences about tone and wording into reusable guidance for generating content in a consistent voice.

Skill for Claude CodeCodex

Part of the human-voice plugin — 2 skills, 12 commands, 3 agents, 1 hook shipped together

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/zircote/human-voice/voice
Any agent
npx skills add zircote/human-voice --skill voice
Clone the repo
git clone --depth 1 https://github.com/zircote/human-voice

Made for: Claude Code, Codex.

Or install human-voice, the plugin that ships this one along with the rest of its 2 skills, 12 commands, 3 agents, 1 hook.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for voice

README.md
[![agentmods](https://agentmods.dev/badge/skills/zircote/human-voice/voice.svg)](https://agentmods.dev/skills/zircote/human-voice/voice)
Your own site
<a href="https://agentmods.dev/skills/zircote/human-voice/voice"><img src="https://agentmods.dev/badge/skills/zircote/human-voice/voice.svg" alt="Measured on agentmods" height="20"></a>
Per session 65 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 914 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00065 $0.00914
Opus 5 $0.00032 $0.00457
Sonnet 5 $0.00013 $0.00183
Haiku 4.5 $0.00006 $0.00091

Measured 5d ago against content hash 14f34ea95dde, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

voice scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 5d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/voice/SKILL.md · 69 lines

How it starts

The opening of the file, as written. The whole thing — 69 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Voice — Voice Elicitation Interview Engine

Voice is an adaptive voice elicitation interview engine that builds a comprehensive written-voice profile through a structured conversational interview. The engine administers 60-80 questions across 12 thematic modules, adapting its path based on the participant's responses and detected writer type.

Architecture Overview

  • Question Bank: JSON question files organized by module in question-bank/modules/, validated against question-bank/schemas/question.schema.json
  • Branching Logic: Conditional paths in question-bank/branching/ that route participants through writer-type-specific question sequences
  • NLP Pipeline: Text analysis stages in nlp/ that extract stylistic signals from open-ended and writing-sample responses
  • Scoring Engine: Dimension scoring in scoring/ that maps responses to voice profile dimensions with weighted aggregation
  • Agents: Specialized conductor and analyst agents in agents/ that orchestrate the interview flow

Interview Modules

The interview spans 12 modules plus a screening/demographic preamble (SD). Modules cover dimensions such as formality and register, emotional tone, sentence structure, vocabulary preferences, rhetorical patterns, audience awareness, and stylistic identity. Each module contains 4-8 questions with a mix of question types (likert, forced_choice, scenario, open_ended, writing_sample, calibration, etc.) to triangulate self-reported preferences against observed behavior.

Starting an Interview

  1. Generate a UUID session ID.
  2. Create the session directory at ~/.human-voice/sessions/{session_id}/.
  3. Initialize state.json with status init, empty response arrays, and module progress tracking.
  4. Load the question bank from the project's question-bank/modules/ directory.
  5. Begin with the screening/demographic module (SD) to establish baseline writer type and branching path.
  6. Progress through modules in sequence, applying branching rules and format rotation to maintain engagement.

Read the full file on GitHub · 69 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 5d ago First seen · 69 lines · 65 tokens per session scan A 14f34ea95dde

Subscribe to this mod's changes

voice is a skill published in the GitHub repository zircote/human-voice (10 stars, last pushed 1mo ago), licensed MIT. It adds 65 tokens to every session and 914 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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