ahrefs/atd

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Static types for JSON APIs

Stars: 352
Forks: 62
Open beginner issues: 0
Indexed issues: 86

Dominant language: OCaml
License: No license data
Last GitHub push: Aug 5, 2026
Latest indexed: Sep 20, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

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86 open issues indexed

atdml: provide option to write output files in the same folder as the source Open

enhancement target:ocaml

Difficulty 3/5 1-2 days Newbie friendliness 58/100

ahrefs/atd#511 · Opened Sep 4, 2026
Proposal: Introduce `atd` dispatcher CLI and prepare unified Cmdliner interface (ATD 4.x → 5.0) Open

design and planning

Difficulty 5/5 Over a week Newbie friendliness 35/100

ahrefs/atd#483 · Opened Mar 24, 2026
Run the standard test suite for all languages Open

code quality internal quality assurance target:cpp target:d target:java target:ocaml target:python target:scala target:typescript

Difficulty 4/5 3-5 days Newbie friendliness 38/100

ahrefs/atd#482 · Opened Mar 23, 2026
Publish statically-linked binaries for popular platforms Open

enhancement packaging

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ahrefs/atd#478 · Opened Mar 21, 2026
atdcpp: Add support for imports Open

feature request target:cpp

Difficulty 5/5 Over a week Newbie friendliness 15/100

ahrefs/atd#477 · Opened Mar 21, 2026
atdd: Add support for imports Open

feature request target:d

Difficulty 5/5 Over a week Newbie friendliness 20/100

ahrefs/atd#476 · Opened Mar 21, 2026
atds: Add support for imports Open

feature request target:scala

Difficulty 5/5 Over a week Newbie friendliness 20/100

ahrefs/atd#475 · Opened Mar 21, 2026
atdj: Add support for imports Open

feature request target:java

Difficulty 5/5 Over a week Newbie friendliness 20/100

ahrefs/atd#474 · Opened Mar 21, 2026
atdgen -v generates calls to unknown function Open

question

Difficulty 3/5 1-2 days Newbie friendliness 45/100

ahrefs/atd#473 · 1 comment · Opened Mar 17, 2026
Migrate all tests to Testo Open

maintenance

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ahrefs/atd#469 · Opened Mar 17, 2026
atdcpp: faulty type names in generated code when using parametric types in atd file Open

bug target:cpp

Difficulty 4/5 3-5 days Newbie friendliness 45/100

ahrefs/atd#427 · Opened Mar 11, 2025
atdgen-ocaml: utf-8 Vs byte-array strings Open

documentation question

Difficulty 5/5 Over a week Newbie friendliness 25/100

ahrefs/atd#415 · 2 comments · Opened Nov 1, 2024
atdcpp: recursive types render cpp code that fails to compile Open

bug target:cpp

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ahrefs/atd#414 · 6 comments · Opened Oct 21, 2024
Proposal: looser interpretation of JSON-encoded variants Open

feature request

Difficulty 5/5 Over a week Newbie friendliness 28/100

ahrefs/atd#413 · Opened Sep 7, 2024
Add a ReScript output option Open

feature request help wanted new target target:ocaml

Difficulty 5/5 Over a week Newbie friendliness 30/100

ahrefs/atd#410 · 1 comment · 3 reactions · Opened May 2, 2024
atdcat: what is the <root type name> of the -jsonschema option for? Open

enhancement target:json-schema

Difficulty 3/5 1-2 days Newbie friendliness 42/100

ahrefs/atd#407 · 2 comments · Opened Mar 28, 2024
atdgen: allow empty records Open

bug enhancement target:ocaml

Difficulty 3/5 1-2 days Newbie friendliness 45/100

ahrefs/atd#400 · 1 comment · Opened Dec 21, 2023
atdpy: `to_json` and `from_json` incorrect for aliases of `unit` Open

bug good first time issue help wanted

Difficulty 3/5 1-2 days Newbie friendliness 45/100

ahrefs/atd#399 · Opened Dec 21, 2023
atdd: support recursive declaration through references Open

bug target:d

Difficulty 4/5 3-5 days Newbie friendliness 42/100

ahrefs/atd#392 · Opened Nov 18, 2023
atdd: generate .di files Open

enhancement target:d

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ahrefs/atd#390 · Opened Nov 7, 2023
atddiff (and other tools): show snippets of code when reporting errors Open

feature request

Difficulty 5/5 Over a week Newbie friendliness 35/100

ahrefs/atd#380 · Opened Oct 24, 2023
atddiff: Print the git file path instead of temporary paths when using `git difftool` Open

feature request

ahrefs/atd#378 · 1 assignee · Opened Oct 24, 2023
List of breaking features for major version 3.0.0 Open

design and planning maintenance

Difficulty 5/5 Over a week Newbie friendliness 25/100

ahrefs/atd#369 · 2 comments · Opened Oct 18, 2023
Unify output of `atdgen -bs` and `atdgen -j` Open

target:ocaml

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ahrefs/atd#357 · 3 comments · Opened Oct 6, 2023
Generalize the option to always output optional fields that are set to the default value (`~field : ...` syntax) Open

enhancement feature request target:python target:typescript

Difficulty 5/5 Over a week Newbie friendliness 25/100

ahrefs/atd#354 · 1 reaction · Opened Oct 2, 2023
Fix TypeScript linter error causing CI failure Open

bug good first time issue maintenance

Difficulty 2/5 1-3 hours Newbie friendliness 42/100

ahrefs/atd#350 · 1 comment · Opened Sep 8, 2023
Provide a way to define simple defaults regardless of target language Open

design and planning enhancement feature request

Difficulty 5/5 Over a week Newbie friendliness 35/100

ahrefs/atd#345 · Opened Jun 28, 2023
atdpy: Add support for partial parsing Open

feature request target:python

Difficulty 5/5 Over a week Newbie friendliness 30/100

ahrefs/atd#344 · Opened Jun 27, 2023
Use the ocaml-tsort library to sort dependencies Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

ahrefs/atd#340 · Opened May 9, 2023
jsonschema CLI is deprecated, use check-jsonschema instead Open

maintenance

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

ahrefs/atd#338 · Opened Apr 20, 2023
JSON to OCaml Open

feature request

Difficulty 5/5 Over a week Newbie friendliness 20/100

ahrefs/atd#337 · 3 comments · Opened Apr 14, 2023
Write a guide for contributing new backends Open

documentation

Difficulty 5/5 Over a week Newbie friendliness 35/100

ahrefs/atd#336 · 1 comment · Opened Mar 21, 2023
Add ATD support for Rust Open

new target target:rust

Difficulty 5/5 Over a week Newbie friendliness 30/100

ahrefs/atd#335 · 2 reactions · Opened Mar 21, 2023
Error recovery: ignore malformed elements Open

enhancement target:biniou target:bucklescript target:go target:java target:json target:ocaml target:python target:scala target:typescript

Difficulty 5/5 Over a week Newbie friendliness 25/100

ahrefs/atd#334 · Opened Mar 14, 2023
abstract not working for Bucklescript generation Open

bug help wanted target:ocaml

Difficulty 3/5 1-2 days Newbie friendliness 38/100

ahrefs/atd#329 · 1 reaction · Opened Jan 26, 2023
Uncaught syntax error when missing a " Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 45/100

ahrefs/atd#326 · Opened Jan 19, 2023
Make it easier to use hyphen-minus to separate words in JSON keys Open

feature request help wanted

Difficulty 5/5 Over a week Newbie friendliness 30/100

ahrefs/atd#323 · 1 comment · Opened Dec 1, 2022
Add support for Go (Golang) Open

feature request help wanted new target target:go target:json target:json-schema

Difficulty 5/5 Over a week Newbie friendliness 25/100

ahrefs/atd#318 · 3 comments · 3 reactions · Opened Nov 1, 2022
Vim Syntax File Open

documentation feature request help wanted

Difficulty 3/5 1-2 days Newbie friendliness 35/100

ahrefs/atd#307 · 2 comments · 2 reactions · Opened Jul 14, 2022
Errors with jsonschema 3.2.0 - not with 4.6.0 Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

ahrefs/atd#306 · Opened Jul 10, 2022
ppx for inline atd Open

feature request target:ocaml

Difficulty 5/5 Over a week Newbie friendliness 30/100

ahrefs/atd#304 · 2 comments · 2 reactions · Opened Jun 23, 2022
[atdpy/atdts] support for polymorphic types Open

enhancement feature request target:python

Difficulty 5/5 Over a week Newbie friendliness 25/100

ahrefs/atd#303 · 1 comment · 2 reactions · Opened Jun 11, 2022
atdgen: support for deriving annotations Open

documentation

Difficulty 5/5 Over a week Newbie friendliness 35/100

ahrefs/atd#300 · 1 comment · Opened Jun 7, 2022
atdpy: make <python decorator="dataclass(frozen=True)"> the default Open

feature request target:python

Difficulty 3/5 1-2 days Newbie friendliness 35/100

ahrefs/atd#289 · 2 comments · Opened May 5, 2022
atdts: turn <doc ...> into TypeScript comments Open

feature request target:typescript

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ahrefs/atd#288 · Opened May 5, 2022
atdpy: turn <doc ...> into Python comments Open

feature request target:python

Difficulty 5/5 Over a week Newbie friendliness 20/100

ahrefs/atd#287 · 2 comments · Opened May 5, 2022
Encode int64 Open

bug target:json target:ocaml

Difficulty 5/5 Over a week Newbie friendliness 25/100

ahrefs/atd#273 · 7 comments · 2 reactions · Opened Apr 8, 2022
Add support for inserting arbitrary code into generated OCaml files Open

design and planning feature request

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ahrefs/atd#266 · Opened Mar 24, 2022
Don't validate `Yojson.Safe.t` abstract type Open

good first time issue packaging

Difficulty 3/5 1-2 days Newbie friendliness 42/100

ahrefs/atd#263 · 4 comments · Opened Mar 23, 2022
Print plain strings for enum types Open

new target

Difficulty 3/5 1-2 days Newbie friendliness 45/100

ahrefs/atd#222 · 3 comments · Opened Nov 17, 2021

ahrefs/atd

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