Tools / Prompt Lab

Prompt Lab

Paste an app-building prompt, see how clear it is, then let AI rewrite it, split it into user stories or plan its screen flow. Each tool has one job.

01 / SCORE

Prompt clarity scorer

Runs in your browser. It checks for five things AI builders need: a goal, screens, data, rules and style. This is a quick keyword check, not a judgement of quality: a high score means the topics are mentioned, not that the prompt is good.

Isometric machine turning a tangled paper ribbon into neat ordered cards, with a score dial.
Overall clarity0 / 100
    02 / REWRITE

    Prompt Rewriter

    Examples:

    Sample output · static example

    A fixed example for “a booking app for my yoga studio”, not a live result.

    example-prompt.txt
    Goal: Let clients book and cancel yoga classes online; the owner sees who is coming.
Users: Clients; studio owner (admin).
Screens: Schedule, Class detail, My bookings, Owner dashboard, Sign in.
Data: Client, Class (time, capacity), Booking (status).
Key rules: Never exceed capacity; cancel up to 2 hours before; waitlist message when full.
Style: Calm, light, mobile first.
Assumption: No online payment in version one.
    03 / STORIES

    User Story Splitter

    Examples:

    04 / FLOW

    Screen Flow Planner

    Examples:

    AI tools send your text to an open Llama model on Cloudflare Workers AI. We do not store it. AI output can be wrong: review it before you build.