lieflat-less-ai-tone
An agent skill that strips AI tone from Chinese text, built on a corpus study
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It keeps your sentence and changes only what is wrong, so you learn the rule you broke instead of receiving a rewrite you could not have produced.
SentenceCoach takes a sentence in simplified or traditional characters, corrects it with as few edits as it can, and explains each mistake in English alongside pinyin and a translation. It covers word order, aspect particles, measure words and look-alike words. It is free with no account, under an hourly fair-use limit. Sentences go to DeepSeek, and the site warns the feedback can be wrong. Cheng Xu, an independent developer in Singapore, also publishes 2,099 HSK 1–4 sentence-ordering exercises as open data.
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