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Toxicity is an opt-in spam checker. It is billed per call. The installer will not enable it unless you pass --spam=toxicity (and it reminds you to set the key).
The checker POSTs to https://commentanalyzer.googleapis.com/v1alpha1/comments:analyze with languages: ['en']. It takes the max summaryScore.value across requested attributes. Timeouts and HTTP errors follow spam.fail_mode (allow or review). Put heuristic before toxicity so cheap local denies skip the paid API. English-only in this version (languages => ['en']). Tune thresholds on a staging thread before you roll out to production guests.
Last modified on September 12, 2026