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Schema Cast

Generate JSON schemas from your code instantly

API
Open Source
Developer Tools
GitHub
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Hunted byRishi BhardwajRishi Bhardwaj

Schema Cast is an open-source developer tool that automatically generates JSON schemas from your code. It simplifies validation, improves API development, and keeps schemas synchronized with your models—saving developers time while reducing manual work.

Top comment

Hi Product Hunt! 👋 We built Schema Cast to remove the repetitive work of manually creating and maintaining JSON schemas. Instead of writing schemas by hand, Schema Cast automatically generates them directly from your code, helping developers build APIs faster while keeping validation accurate and consistent. It's completely open source and built for modern JavaScript and TypeScript workflows. We'd love your feedback, feature ideas, and suggestions. Thanks for checking it out! 🚀

Comment highlights

How does Schema Cast handle cases where the same model needs slightly different schemas for separate APIs, or do you have to maintain separate schema files for each one?

set it up on a small node project and it picked up my typescript interfaces without any config, which was a nice surprise. the generated schemas lined up with what i had been writing by hand.

How does it handle schema drift when multiple developers are working on the same codebase at the same time?

About Schema Cast on Product Hunt

Generate JSON schemas from your code instantly

Schema Cast was submitted on Product Hunt and earned 3 upvotes and 4 comments, placing #158 on the daily leaderboard. Schema Cast is an open-source developer tool that automatically generates JSON schemas from your code. It simplifies validation, improves API development, and keeps schemas synchronized with your models—saving developers time while reducing manual work.

Schema Cast was featured in API (98.4k followers), Open Source (68.6k followers), Developer Tools (515.9k followers) and GitHub (41.3k followers) on Product Hunt. Together, these topics include over 125.5k products, making this a competitive space to launch in.

Who hunted Schema Cast?

Schema Cast was hunted by Rishi Bhardwaj. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.

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