microsoft/typespec

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Stars: 5.9k
Forks: 394
Open beginner issues: 0
Indexed issues: 1k
Avg merge: 1d 23h
Merged PRs (30d): 104

Dominant language: Java
License: MIT
Last GitHub push: Sep 16, 2026
Latest indexed: Sep 17, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue

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1001 open issues indexed

[http-server-csharp] Allow user to specify a custom namespace Open

emitter:service:csharp feature needs-area triaged:core

microsoft/typespec#5944 · 0 comments · 3 reactions · 0 assignees · Indexed Sep 17, 2026
[http-server-csharp] Allow user to choose how arrays are treated. Open

emitter:service:csharp feature triaged:core

microsoft/typespec#5945 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[http-server-csharp] Initialize collections on emit Open

emitter:client:csharp feature needs-area triaged:core

microsoft/typespec#5946 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 17, 2026
[http-server-csharp] Default folder names to Pascal casing, not lower Open

design:needed emitter:service:csharp triaged:core

microsoft/typespec#5947 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[http-server-js] Document project scaffolding tool Open

docs emitter:service:js triaged:core

microsoft/typespec#5962 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 17, 2026
[http-client-csharp] Refactor the way how we resolve namespace conflicts in spector test project Open

emitter:client:csharp

microsoft/typespec#5964 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
tsp compile . from the global install should fail if no local compiler Open

compiler:core feature triaged:core

microsoft/typespec#5978 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Redesign ReST Library Open

breaking-change design:needed lib:rest triaged:core

microsoft/typespec#5980 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 17, 2026
Visibility Support and nullability in c-sharp emitter Open

emitter:service:csharp feature triaged:core

microsoft/typespec#5988 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[Bug]: HTTP should be explicit about incorrect usage of body/bodyRoot (linter, error, or else) Open

breaking-change feature lib:http triaged:core

microsoft/typespec#5993 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[python] pylint issue fix for spector test case Open

emitter:client:python

microsoft/typespec#6002 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 17, 2026
[Bug]: dotnet emitter crashes with error: "Unable to find object property with serialized name 'IndexesStatistics' in schema ListIndexStatsSummary" Open

bug emitter:client:csharp

microsoft/typespec#6005 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
client.tsps should allow language-specific documentation including samples Open

design:needed emitter:client:all

microsoft/typespec#6008 · 4 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
Publishing a hotfix from release/ branch doesn't update the playground. Open

eng feature triaged:core

microsoft/typespec#6017 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[Bug] [OpenAPI 3.1] Path parameter values cannot contain the unescaped characters /, ? or # Open

bug emitter:openapi3 triaged:core

microsoft/typespec#6023 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[Bug]: OpenAPI 3.1: Server Variable's default now MUST exist in the enum values, if such values are defined (changed from SHOULD). Open

bug emitter:openapi3 triaged:core

microsoft/typespec#6024 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Need Spector scenario for orphaned namespace Open

lib:http-specs

microsoft/typespec#6043 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
TypeSpec extension should provide the ability to import the existing TypeSpecs for predefined scenarios Open

ide

microsoft/typespec#6050 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[Python] mypy error for generated SDK code Open

emitter:client:python

microsoft/typespec#6071 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 17, 2026
[Bug]: http-client-java, unbranded, response as wired type Base64, Base64Uri Open

bug emitter:client:java

microsoft/typespec#6075 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
openapi/json-schema - `@extension` alignment - emit schemas Open

emitter:openapi3 feature triaged:core

microsoft/typespec#6077 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 17, 2026
[Bug]: Docstring generated without expected escape character (or with an unnecessary one?) Open

bug emitter:client:python

microsoft/typespec#6084 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Client driven paging scenario tests Open

lib:http-specs

microsoft/typespec#6093 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[Bug]: named union with circular ref should not pass compile Open

bug compiler:core triaged:core

microsoft/typespec#6106 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Consider including derived types in parameter description for operations taking a base type Open

emitter:client:csharp

microsoft/typespec#6133 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[Bug]: typespec-python - discriminated polymorphic types as `op` parameters generated incorrectly Open

bug emitter:client:python

microsoft/typespec#6135 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[Bug]: mypy error: Name "JSON" is not defined [name-defined] Open

bug emitter:client:python

microsoft/typespec#6151 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[Bug]: [typing] "_models" in typing annotation confuses sphinx Open

bug emitter:client:python

microsoft/typespec#6152 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Add full example that uses multiple options Open

emitter:client:csharp

microsoft/typespec#6155 · 0 comments · 1 reaction · 1 assignee · Indexed Sep 17, 2026
[python] @api_version_validation should not be generated in the Python SDK Open

emitter:client:python

microsoft/typespec#6159 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 17, 2026
Namespace not reduced within if debug statement Open

emitter:client:csharp

microsoft/typespec#6160 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
`tsp install` equivalent to `npm ci` Open

compiler:core feature triaged:core

microsoft/typespec#6223 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Typekit should `.create` method add the type to the current realm Open

compiler:core triaged:core

microsoft/typespec#6235 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[compiler] listServices should take in namespace Open

compiler:core

microsoft/typespec#6247 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Versioning mutator api should also expose a way to map types Open

lib:versioning triaged:core

microsoft/typespec#6248 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[JS Emitter] Improve watch command for JSX emitters Open

emitter:client:js

microsoft/typespec#6253 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 17, 2026
Install script testing Open

compiler:core eng triaged:core

microsoft/typespec#6261 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Standalone cli dist should be hosted behind typespec.io Open

eng triaged:core

microsoft/typespec#6262 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[Bug]: `isIntrinsicType` returns true for types that extend an intrinsic. Open

bug needs-area triaged:core

microsoft/typespec#6276 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Run configured package manager verify signatures Open

compiler:core feature triaged:core

microsoft/typespec#6277 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[Bug]: Protobuf emitter creates duplicate nested messages when `withVisibilityFilter` is used Open

bug emitter:protobuf triaged:core

microsoft/typespec#6280 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Should `getVersion(program, namespace)` return a VersionMap when called using child namespaces of the versioned namespace? Open

design:needed lib:versioning triaged:core

microsoft/typespec#6281 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Standalone exe publish to package managers Open

eng feature triaged:core

microsoft/typespec#6285 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Survey Integration for TypeSpec vscode extension. Open

ide

microsoft/typespec#6297 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
tsp install add support for yarn and pnpm Open

compiler:core feature triaged:core

microsoft/typespec#6301 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Support discriminator where discriminated value is a union Open

emitter:client:csharp lib:http-specs

microsoft/typespec#6307 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[OpenAPI 3] Consider remove the constraint that has no impact to the schema Open

emitter:openapi3 feature triaged:core

microsoft/typespec#6320 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
VSCode extension should be smarter in resolving the package manager Open

ide

microsoft/typespec#6321 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
typeref value Open

compiler:core design:needed triaged:core

microsoft/typespec#6322 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Need spector scenario including pagesize decorator Open

lib:http-specs

microsoft/typespec#6324 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026

microsoft/typespec

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