agent-voice

A writing guide and checker for text produced by coding agents, such as terminal replies, work reports, commits, reviews, and instruction files. It offers several writing styles and checks text against defined rules.

In plain words
What is it for?
Use it when configuring an agent’s writing style or checking generated replies, reports, pull requests, review comments, documents, and briefs.
Why use it?
It helps keep agent-written prose clear and consistent across different situations. The checker can reject text that breaks its style rules.

Plugin for Claude Code

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.

Claude Code
/plugin marketplace add fledgeling-co/fledgeling-plugins
agentmods
npx agentmods add plugins/fledgeling-co/fledgeling-plugins/agent-voice
Clone the repo
git clone --depth 1 https://github.com/fledgeling-co/fledgeling-plugins

Made for: Claude Code.

Per session not measured What this adds to a session before it is invoked.
When invoked not measured Not applicable: nothing here is loaded into a session.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Security

Grade A, and why

agent-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 2d 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.

plugins/agent-voice/.claude-plugin/plugin.json · 9 lines

What it actually says

{
  "name": "agent-voice",
  "description": "Give agent-authored text a real voice: the prose an agent emits inside Claude Code and other harnesses. Seven registers (terminal reply, work report, commit and PR, review comment, written document, SKILL.md and instruction file, subagent brief), a deterministic lint that hard-fails closing flourishes, self-congratulation, preamble openers, unmeasurable qualifiers, uncounted categorical scope, pressure language and misplaced verification scaffolding, and a per-family dialect layer because Claude runs long while Gemini runs terse. Every rule traces to a quoted line of Anthropic or Google guidance, or to a recorded benchmark.",
  "version": "0.2.1",
  "author": {
    "name": "Luke Rhodes"
  }
}
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. 2d ago First seen · 9 lines scan A 070cb3c09a52

Subscribe to this mod's changes

agent-voice is a plugin published in the GitHub repository fledgeling-co/fledgeling-plugins (2 stars, last pushed 2d ago), licensed MIT. Its token cost is not measured: this kind of file is read by the harness, not the model. 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.