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json_schema_builder

Published by 🇺🇸labs.flutter.dev · v0.1.3 · released 8 months ago · BSD-3-CLAUSE License

First published 8 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 (6 packages) #73 in Code Generation #1108 overall no release in 8 months androidioswindowslinuxmacosweb
Downloads / day
2,043
as of 2026-06-25
GitHub stars
1,599
★ refreshed weekly
Likes
25
on pub.dev
Pub points
160 / 160
perfect score
2026-05-26 2026-06-25

Repository health

Shared with 5 sibling packages in this repo.

Last commit
1 month ago
Issue response
Maintainer replies within ~2 days (median over 8 closed issues (low confidence))
Commit activity
Open issues
81
Open PRs
7
Contributors
21 (top contributor 36%)
CI
GitHub Actions
License (repo)
Sibling packages: genui, genai_primitives, genui_firebase_ai, genui_google_generative_ai, genui_a2ui

Last refreshed 1 month 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

467 commits in the past year
Accelerating +59% vs 9 months ago
40 20 0 52w ago36w ago18w agothis week
Weekly average
9 commits
Busiest week
39 commits, 36 weeks ago
Active weeks
42 of 52 (81%)
Longest quiet stretch
9 weeks 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
338.9K ★ 885 778
#2
json_annotation
🇺🇸 google.dev
328K ★ 1.6K 1.3K
#3
ffi
🇺🇸 dart.dev
311.3K ★ 264 349
#4
code_builder
🇺🇸 tools.dart.dev
226.1K ★ 105 293
#73
json_schema_builder
labs.flutter.dev
2K ★ 1.6K 25