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SillyTavern character cards are just prompts: format, tokens, cost

This story is from 2026-10-22. It is preserved in the archive; the latest stories are on the live feed.

A character card is a JSON object that your frontend turns into one system message and resends on every request. The portrait, the library and the swipe button are packaging. Once you see the card as a prompt, the format, the PNG trick and the cost all follow. The field-by-field reference, with fiv…

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  1. 2026-10-22 12:48 · DEV Community — AI
    SillyTavern character cards are just prompts: format, tokens, cost

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