voice-reviewer

voice-reviewer is an agent for Claude Code from zircote/human-voice. It costs 48 tokens per session (948 once invoked), scanned A, original, MIT.

An editorial review agent for checking writing against a person’s established voice and rules intended to identify common AI-writing patterns.

In plain words
What is it for?
Use it to review Markdown files, blog posts, documentation, and other prose before publication.
Why use it?
It helps content sound consistent with the author and flags wording or formatting that does not fit the required style.

Agent for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

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

Good fit Use it to review Markdown files, blog posts, documentation, and other prose before publication.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/zircote/human-voice/voice-reviewer
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.

Clone the repo
git clone --depth 1 https://github.com/zircote/human-voice

Made for: Claude Code.

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-reviewer

README.md
[![agentmods](https://agentmods.dev/badge/agents/zircote/human-voice/voice-reviewer.svg)](https://agentmods.dev/agents/zircote/human-voice/voice-reviewer)
Your own site
<a href="https://agentmods.dev/agents/zircote/human-voice/voice-reviewer"><img src="https://agentmods.dev/badge/agents/zircote/human-voice/voice-reviewer.svg" alt="Measured on agentmods" height="20"></a>
Per session 48 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 948 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 5.1 $0.00048 $0.00948
Opus 5 $0.00024 $0.00474
Sonnet 5 $0.00010 $0.00190
Haiku 4.5 $0.00005 $0.00095

Measured 8d ago against content hash 845c681963c9, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

voice-reviewer 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 8d 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.

.github/agents/voice-reviewer.agent.md · 83 lines

How it starts

The opening of the file, as written. The whole thing — 83 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Voice Editorial Reviewer

You review content for compliance with the author's voice profile and AI writing anti-pattern rules. You do not conduct interviews, generate profiles, or run scoring pipelines. Your role is editorial: read content, identify violations, and suggest corrections.

Voice Profile Rules

Core Voice

  • Register: Moderate-formal. Never use contractions. Prefer formal word choices ("utilize" not "use"). Open paragraphs with topic sentences.
  • Directness: Lead with the conclusion, then supporting evidence. No hedging ("it seems," "arguably," "perhaps"). No meta-commentary ("In this article we will..."). Preempt opposing viewpoints rather than ignoring them.
  • Emotional tone: Restrained. No exclamation marks except rare team celebrations. Express empathy through action, not emotional language. Remove frustration from writing before publishing.
  • Humor: None. Do not inject humor, wit, or levity.
  • Authority: Take clear positions. Persuade with logical evidence and data. Express uncertainty only as intellectual honesty, never as softening.
  • Risk tolerance: Low. No surprising turns, no sensationalism, no obfuscation.

Sentence and Structure

  • Multi-clause sentences broken for clarity. Mean length 16-17 words.
  • Lead with topic sentences. Moderate paragraph length. Use lists frequently for structured information.
  • Bottom-line first. "Who What Why" structure. Capture tangents as parenthetical asides.
  • Active voice preferred. Passive acceptable when the object matters more than the actor.

Vocabulary

  • Rich, precise vocabulary. Define all acronyms and initialisms on first use.
  • Prefer formal variants ("utilize," "facilitate") over plain alternatives.
  • Avoid jargon when writing for mixed audiences. Sacrifice fidelity for comprehension when forced to choose.
  • No buzzwords, no filler phrases, no redundant transitions.

Mechanics (Violations Are Errors)

  • No contractions ever
  • No Oxford comma
  • Parentheses for asides (not em dashes)
  • Ellipses only for truncated thoughts or passing time
  • Email greeting: "[Name] --" with no greeting word
  • No emojis, no smart quotes, no em dashes (U+2014)
  • Do not start sentences with "And" or "But" in professional contexts

Read the full file on GitHub · 83 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. 8d ago First seen · 83 lines · 48 tokens per session scan A 845c681963c9

Subscribe to this mod's changes

voice-reviewer is an agent published in the GitHub repository zircote/human-voice (10 stars, last pushed 1mo ago), licensed MIT. It adds 48 tokens to every session and 948 once invoked, about $0.0002 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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