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Cursor rules token limit: 500 lines, four rule types, and what you pay every request

Cursor project rules are included in the model context when they apply, so every always-on rule is a permanent tax on the window. Cursor's docs give a practical size limit — keep each rule under about 500 lines — and four frontmatter types that decide when you actually pay. Originally published on…

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  1. 2026-11-12 07:54 · DEV Community — AI
    Cursor rules token limit: 500 lines, four rule types, and what you pay every request

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