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tropius: detect AI tropes in prose

摘要

tropius 是一个用于检测 prose 中 AI 写作痕迹的 CLI。它基于 Tropes.fyi 的 trope 列表构建 TOML 格式模式字典，支持从标准输入读取文本，也可配合内容提取工具扫描网页文章。检测范围包括：固定短语模式、句子和段落结构特征、重复隐喻和重复内容、Markdown 中粗体开头列表、Unicode 装饰字符等。工具约定：未发现信号返回退出码 0，发现 trope 信号返回 1，配置或使用错误返回 2。文章还介绍了项目起源 —— 作者受到 BlueSky 上关于 “Claudesmell”（带有 Claude 风格写作气味）的讨论启发后实现了该工具。

荐读理由

用 tropius CLI 扫描你写的 prose，匹配 tropes.fyi 模式字典 + aho-corasick 短语 + 结构/重复/Unicode 检测器，就能找出 AI 写法 tics 立即改写，避免后续在 AI 工程产品中踩 slop 坑

原文

tropius#

tropius is a CLI to detect AI tropes in prose.

How#

We use a pattern dictionary in TOML based on a trope list from Tropes.fyi

Text
  ↓
Aho-Corasick phrase matcher
  ↓
Structural, repetition, and character-class detectors
  ↓
Findings report

Usage#

Scan text from stdin:

printf 'Let us delve into this robust ecosystem.' | cargo run -q -p tropius-cli

Scan article text extracted from a live URL with lectito:

# Install lectito
cargo install lectito-cli

lectito 'https://www.solo.io/blog/what-is-agent-identity-human-workload-a-new-layer' \
    --format text \
    | cargo run -q -p tropius-cli

The CLI exits 0 when no findings are found and 1 when it finds trope signals.

It exits 2 for usage or configuration errors.

Color output respects NO_COLOR.

Coverage#

  • an implementation path for every source section in tropes.md

  • phrase patterns for literal trope signals

  • structural detectors for sentence and paragraph shape

  • repetition detectors for repeated metaphor terms and duplicated content

  • markdown-aware detection for bold-first bullets

  • character-class detection for Unicode decoration

Inspiration#

I got nerd-sniped on BlueSky

Samuel - @samuel.fm 2026-06-25 04:16

“Claudesmell” labeller for standard.site records wen

owais - @desertthunder.dev 2026-06-25 04:18

what does claudesmell mean here

Samuel - @samuel.fm 2026-06-25 04:22

smells of claude, e.g. short, punchy yet needlessly florid prose, excessive claudeisms, it’s not just x it’s y etc

owais - @desertthunder.dev 2026-06-25 04:26

You know that feeling of nerd-sniping about to happen? I gotta use aho-corasick + tropes.fyi in some way

Further Reading#

Wikipedia Article

Directory of tropes

License#

unlicense

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