the gym for quality engineers

NotQuality.com

Shipping bugs is the whole point.

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defaultlive · 152 reports graded · 18 bug types across 3 apps · no card required

pick a bug · pick an app

Bugs you've met before. Apps you haven't broken yet.

“It says there are 34 results, but no matter how I page through I can only ever see 24.”

Pagination drops a page

blue belt · 3 appschoose app →

“I did the thing, and the number at the top didn’t change until I refreshed the whole page.”

Derived value never invalidates

blue belt · 2 appschoose app →

“I changed the id in the request and got somebody else’s record back.”

Object-level authorization missing

orange belt · 2 appschoose app →

bug pack · one graded session

The retry-storm pack

“It was fine until traffic spiked.” Duplicate writes, lost updates, and stale reads — what concurrency and retries do to state.

3 bug types · 2 appsstack it →

All 18 bug types →·Or start from an app →

Featured scenario · free to enter

Diagnose an entire health system.

Enter St. Quality Health and test the same synthetic patient journey across its portal, FHIR services, HL7 pipeline, and ambient clinical AI. One scenario, four connected QA disciplines.

4systems

13defects

100%synthetic

Clinical appQualityChart →Appointments, results, messaging FHIR servicesInterconnect →R4 resources, contracts, pagination Clinical dataHL7 Bridges →v2 messages into FHIR bundles Ambient AI · accountClinical Copilot →Notes, triage, grounding

playgrounds · earn the belt

white ●

yellow

blue

green

orange

black

difficulty climbs left → right · every belt is free to hunt

Front-End belt · 18 bugswhite

CATEGORY

Front-End

UI, layout, and interaction bugs across storefront and responsive surfaces.

API belt · 22 bugsblue

CATEGORY

API

API contract, schema, and data-integrity defects.

AI Quality belt · 14 bugspro

CATEGORY

AI Quality

LLM output quality, grounding, and reliability defects.

ETL / Events belt · 22 bugsblack

CATEGORY

ETL / Events

Event emission, ordering, and payload integrity bugs.

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