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Products that do what fnPrompt - AI Prompt Architect does

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1. 1
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3. 3
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4. 4
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5. 5
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6. 6
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8. 8
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9. 9
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10. 10
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11. 11CL
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13. 13
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14. 14
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15. 15
    Prompt Builder – Free Templates▲21

    Hi HN, I built Prompt Builder (https://www.promptbuilder.space/) because I was frustrated managing complex AI prompts in plain text boxes. The core idea: instead of one giant textarea, you compose prompts from draggable, reorderable blocks. Each block can have its own XML/custom tags, visibility toggles (so you can A/B test sections), and duplicates. Key technical details: - Live compiled preview: the right pane shows the exact string being sent, updating as you drag/toggle blocks - Dynamic variables: define {{var_name}} once, use across blocks, change in one…

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16. 16
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21. 21
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22. 22
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24. 24
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