microsoft/typespec

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Stars: 5.9k
Forks: 394
Open beginner issues: 0
Indexed issues: 1k
Avg merge: 2d 2h
Merged PRs (30d): 104

Dominant language: Java
License: MIT
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 17, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue

Beginner friendly Everything

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1,001 open issues indexed

Library options Open

design:needed

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

microsoft/typespec#1425 · 3 comments · Opened Dec 12, 2022
Auto complete for diagnostic suppression Open

feature ide

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

microsoft/typespec#1422 · 1 comment · Opened Dec 12, 2022
OpenAPI emitter doc should describe how it handles REST library constructs Open

docs

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

microsoft/typespec#1416 · 2 comments · Opened Dec 10, 2022
Implement allowing service metadata to be declared on interface Open

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

microsoft/typespec#1398 · 1 comment · Opened Dec 8, 2022
Add `{@link ...}` support to developer docs Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/typespec#1358 · 2 comments · 1 reaction · Opened Dec 2, 2022
A way to specify a decorator usage Open

design:needed

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

microsoft/typespec#1351 · 1 comment · Opened Dec 1, 2022
Document bad mutation/cloning patterns for library/emitter authors Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

microsoft/typespec#1336 · 1 comment · Opened Nov 30, 2022
Format devdoc comments nicely in formatter Open

compiler:core

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

microsoft/typespec#1319 · 1 comment · Opened Nov 28, 2022
Consider organizing types.ts into #regions Open

Difficulty 3/5 1-2 days Newbie friendliness 28/100

microsoft/typespec#1316 · 2 comments · Opened Nov 28, 2022
Check parse results in parser tests Open

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

microsoft/typespec#1314 · 1 comment · Opened Nov 28, 2022
Emitter options as TypeSpec Open

compiler:core design:needed triaged:core

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

microsoft/typespec#1297 · 2 reactions · Opened Nov 17, 2022
Add "combine" or "merge" operator for models Open

design:needed feature

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

microsoft/typespec#1292 · 10 comments · 2 reactions · Opened Nov 17, 2022
Referencing property of template parameter that extends something that has said property fails Open

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

microsoft/typespec#1280 · 1 comment · Opened Nov 15, 2022
OpenAPI emitters should not emit "Accept" header value as a parameter Open

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

microsoft/typespec#1278 · 6 comments · Opened Nov 15, 2022
Disallow backslash (windows path) in cadl config Open

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

microsoft/typespec#1261 · 4 comments · Opened Nov 11, 2022
Designate an int enum as "Flags" Open

design:needed

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

microsoft/typespec#1237 · 1 comment · Opened Oct 26, 2022
Add library linter to require jsDoc comments on exported functions Open

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

microsoft/typespec#1228 · 1 comment · Opened Oct 25, 2022
Numeric range literal Open

design:needed

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

microsoft/typespec#1205 · Opened Oct 21, 2022
Remove the `@indexer` decorator Open

design:needed

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

microsoft/typespec#1194 · Opened Oct 19, 2022
Allow importing types from a service Open

design:needed

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

microsoft/typespec#1179 · 1 comment · Opened Oct 18, 2022
[Metadata] Visibility shorthand Open

design:needed

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

microsoft/typespec#1175 · 5 comments · Opened Oct 18, 2022
Accessing member of instantiated template does not work. Doing so through an alias does work. Open

microsoft/typespec#1163 · 9 comments · 1 assignee · Opened Oct 14, 2022
Would be good to have a way to specify union of models for operation parameters Open

design:needed

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

microsoft/typespec#1140 · 4 comments · 1 reaction · Opened Oct 6, 2022
Invalidating sourceProperty on property mutation Open

design:needed

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/typespec#1129 · 3 comments · Opened Oct 5, 2022
Consider moving eliding of properties of type `never` lower Open

design:needed

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

microsoft/typespec#1128 · 7 comments · Opened Oct 5, 2022
The scopes property of the OAuth2Flow models should be a map of string to string Open

design:needed

Difficulty 3/5 1-2 days Newbie friendliness 48/100

microsoft/typespec#1113 · 5 comments · 3 reactions · Opened Oct 1, 2022
[IDE] Workspace Symbols Open

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

microsoft/typespec#1094 · Opened Sep 27, 2022
Mechanism to catch FIXMEs in generated code Open

design:needed

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

microsoft/typespec#1080 · 3 comments · Opened Sep 23, 2022
Feature proposal: Selector language Open

compiler:core design:needed

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

microsoft/typespec#1023 · 2 comments · Opened Sep 12, 2022
Add model constraints Open

design:needed

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

microsoft/typespec#961 · 7 comments · 2 reactions · Opened Sep 1, 2022
Improve language server file system cache Open

ide

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/typespec#894 · Opened Aug 19, 2022
ability to convert high-level Cadl spec into a common level such as Http Open

design:needed

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

microsoft/typespec#880 · 4 comments · Opened Aug 16, 2022
Feedback on decorator collapsing Open

ide

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

microsoft/typespec#860 · 11 comments · Opened Aug 12, 2022
Invalid OA3 for unions Open

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

microsoft/typespec#826 · 19 comments · 3 reactions · Opened Aug 8, 2022
Support operation links in OpenAPI3 generator Open

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

microsoft/typespec#713 · 1 comment · 2 reactions · Opened Jul 13, 2022
Bundle default fallback compiler with vscode extension Open

ide

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/typespec#710 · 4 comments · Opened Jul 12, 2022
[Dt] Support for source mapping Open

design:needed epic

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

microsoft/typespec#696 · 4 comments · 3 reactions · Opened Jul 8, 2022
Move resource abstraction to `@cadl-lang/resource` (aka resource reform) Open

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

microsoft/typespec#638 · 2 comments · Opened Jun 15, 2022
Implement communication layer between cadl emitter and language specific process Open

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

microsoft/typespec#616 · 1 comment · Opened Jun 10, 2022
[Template Parameter Constraints] Custom validation Open

design:needed

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

microsoft/typespec#602 · Opened Jun 8, 2022
Apply decorator to a block of models? Open

design:needed

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

microsoft/typespec#568 · 2 comments · Opened May 27, 2022
(Re)load decorators and functions directly from TypeScript Open

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

microsoft/typespec#533 · 7 comments · 2 reactions · Opened May 12, 2022
Calling functions in template instantiations Open

design:needed

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

microsoft/typespec#521 · 5 comments · Opened May 9, 2022
Decorators with named parameters? Open

design:needed

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

microsoft/typespec#513 · 4 comments · Opened May 5, 2022
Review inlining and naming choices in OpenAPI Open

design:needed

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

microsoft/typespec#464 · 3 comments · Opened Apr 20, 2022
Support for `model Foo<T> extends/is T` Open

design:needed

microsoft/typespec#423 · 2 comments · 1 reaction · 1 assignee · Opened Apr 7, 2022
Nullable response have a weird behavior right now Open

design:needed

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

microsoft/typespec#356 · 5 comments · Opened Mar 23, 2022
Suggestion: Enforce declaring method return types Open

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

microsoft/typespec#333 · 1 comment · Opened Mar 15, 2022
Playground: Support diff view for versioned specs Open

ui:playground

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

microsoft/typespec#325 · 1 reaction · Opened Mar 15, 2022
Separate Model and Interface Templates from the instantianted lists Open

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

microsoft/typespec#223 · 2 comments · Opened Feb 3, 2022

microsoft/typespec

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