AiSniff is an open-source linter that underlines phrases in English and Chinese text matching documented AI-writing patterns, naming the rule, citing a public source and suggesting a plain rewrite, with no server and no model call.
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Each mark names its rule, cites a public source and suggests a plain rewrite, all driven by one set of JSON rules.
The web editor, the CLI (npx github:Arthur031221/AiSniff lint draft.md) and the agent skill all read the same rule set.
On held-out HC3 answers the English rules marked at least one phrase in 29% of chatbot answers and 2% of human ones, and the docs publish per-rule counts.
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