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    Grammarly logo
    Writing
    Freemium

    Grammarly

    Grammar, tone, and AI rewriting everywhere you type.

    What it does

    Grammarly checks grammar, clarity, and tone, and includes generative AI to draft and rewrite across browsers and desktop apps.

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    Integrations & access for agent builders

    Best practices for agent builders

    Opinionated guidance from the 88 Labs AI team for wiring Grammarly into a production agent.

    • 1Feed brand voice and style guides as a system prompt or retrieval doc — don't rely on the tool's UI presets.
    • 2Generate variants in parallel and rank with a cheaper model before showing the winner to the user.

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