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json_schema_builder

Published by 🇺🇸labs.flutter.dev · v0.1.6 · released 1 month ago · BSD-3-CLAUSE License

First published 10 months ago.

A full-featured package used to build and validate JSON schemas in Dart.

View on pub.dev View source
Part of flutter/genui (7 packages) #72 in Code Generation #1106 overall androidioswindowslinuxmacosweb
Downloads / day
2,442
as of 2026-08-23
GitHub stars
1,735
★ refreshed weekly
Likes
32
on pub.dev
Pub points
160 / 160
perfect score
2026-07-24 2026-08-23

Repository health

Shared with 6 sibling packages in this repo.

Last commit
25 days ago
Commit activity
Open issues
0
Open PRs
18
Contributors
22 (top contributor 34%)
CI
GitHub Actions
License (repo)
Sibling packages: genai_primitives, genui, genui_firebase_ai, genui_a2a, genui_google_generative_ai, genui_a2ui

Last refreshed 17 days ago.

License explained · BSD-3-Clause

BSD 3-Clause "New" License

Use freely, even commercially. Keep the notice. Don't use the author's name to endorse derived products without permission.

A permissive license similar to the BSD 2-Clause License, but with a 3rd clause that prohibits others from using the name of the copyright holder or its contributors to promote derived products without written consent.

You can

  • Commercial use
  • Distribution
  • Modification
  • Private use

You must

  • Include the license and copyright notice

The license does not

  • No liability
  • No warranty

Plain-English summary, not legal advice. Full text on SPDX or choosealicense.com. Summaries adapted from choosealicense.com (a GitHub project, MIT-licensed).

Commit activity, past 52 weeks

json_schema_builder

461 commits in the past year
Slowing -74% vs 9 months ago
40 20 0 52w ago36w ago18w agothis week
Weekly average
9 commits
Busiest week
38 commits, 48 weeks ago
Active weeks
49 of 52 (94%)
Longest quiet stretch
1 week with no commits

Weekly commits to the default branch on GitHub. Source: GET /stats/participation. Refreshed weekly. Excludes commits to other branches.

How json_schema_builder compares in Code Generation

Top of the Code Generation leaderboard, with json_schema_builder highlighted.

Rank Package Downloads / day Stars Likes
#1
built_value
🇺🇸 google.dev
419.3K ★ 885 780
#2
json_annotation
🇺🇸 google.dev
411.3K ★ 1.6K 1.3K
#3
ffi
🇺🇸 dart.dev
377.7K ★ 270 352
#4
code_assets
🇺🇸 dart.dev
314.4K ★ 270 15
#72
json_schema_builder
labs.flutter.dev
2.4K ★ 1.7K 32