swiftlang/sourcekit-lsp

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Language Server Protocol implementation for Swift and C-based languages

Stars: 3.9k
Forks: 390
Open beginner issues: 0
Indexed issues: 103
Avg merge: 9d 5h
Merged PRs (30d): 3

Dominant language: Swift
License: Apache-2.0
Last GitHub push: Sep 16, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue

Beginner friendly Everything

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103 open issues indexed

`swift test` dies with a Windows fatal exception partway through Test-SourceKitLSP Open

Windows

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

swiftlang/sourcekit-lsp#2769 · Opened Sep 19, 2026
`LocalSwiftTests.testSourceKitdTimeout` is flaky on Windows CI Open

Windows

Difficulty 4/5 3-5 days Newbie friendliness 48/100

swiftlang/sourcekit-lsp#2768 · Opened Sep 19, 2026
Use augmentsSyntaxTokens parameter instead of reportSyntacticHighlightInSemanticTokens in initialization request Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

swiftlang/sourcekit-lsp#2767 · 1 reaction · Opened Sep 18, 2026
The BackgroundIndexingTests are very flaky on Windows CI Open

Windows

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

swiftlang/sourcekit-lsp#2766 · 5 comments · Opened Sep 15, 2026
Go to Definition fails for properties using external package property wrappers Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

swiftlang/sourcekit-lsp#2758 · 11 comments · Opened Aug 27, 2026
Background indexing of package plugins fails Open

background indexing

Difficulty 3/5 1-2 days Newbie friendliness 72/100

swiftlang/sourcekit-lsp#2755 · Opened Aug 24, 2026
out-of-range Integer in response data to "textDocument/semanticTokens/full" Open

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

swiftlang/sourcekit-lsp#2736 · Opened Jul 27, 2026
Surface SwiftPM plugin-generated sources to editor clients Open

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

swiftlang/sourcekit-lsp#2732 · 1 comment · Opened Jul 25, 2026
Allow go-to-definition to show references when invoked on a declaration Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

swiftlang/sourcekit-lsp#2725 · 3 comments · 2 reactions · Opened Jul 19, 2026
Distributed actors (and actors) should be distinct semantic tokens Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

swiftlang/sourcekit-lsp#2709 · 2 comments · Opened Jul 4, 2026
`textDocument/definition` on a reference to a project package opens `.swiftinterface` file instead Open

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

swiftlang/sourcekit-lsp#2693 · Opened Jun 18, 2026
Change code actions to provide functionality through `SyntaxRefactoringCodeActionProvider` Open

good first issue refactoring

Difficulty 3/5 1-2 days Newbie friendliness 55/100

swiftlang/sourcekit-lsp#2628 · 4 comments · Opened Apr 29, 2026
Support out of process LSP Open

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

swiftlang/sourcekit-lsp#2610 · 1 comment · Opened Apr 20, 2026
Inlay hints may wrongly insert variadic type Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

swiftlang/sourcekit-lsp#2609 · Opened Apr 15, 2026
Indexing-while-building shouldn't overwrite Package.resolved Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

swiftlang/sourcekit-lsp#2602 · 2 comments · Opened Apr 10, 2026
Shared `cursorInfo` infrastructure in `SwiftLanguageService.codeAction(_:)` Open

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

swiftlang/sourcekit-lsp#2584 · 5 comments · Opened Mar 30, 2026
EntryPointManager should only refresh affected workspaces on file changes Open

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

swiftlang/sourcekit-lsp#2582 · Opened Mar 27, 2026
Add Implementations CodeLens Support Open

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

swiftlang/sourcekit-lsp#2533 · 9 comments · Opened Mar 3, 2026
Add Convert closure to function code action Open

code action

Difficulty 4/5 3-5 days Newbie friendliness 56/100

swiftlang/sourcekit-lsp#2519 · 4 comments · Opened Feb 28, 2026
Add Convert Bool to enum code action Open

code action

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

swiftlang/sourcekit-lsp#2518 · 1 comment · Opened Feb 28, 2026
Add Remove unused parameter code action Open

code action

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

swiftlang/sourcekit-lsp#2513 · 2 comments · Opened Feb 28, 2026
Add Generate parameter from unresolved identifier code action Open

code action

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

swiftlang/sourcekit-lsp#2512 · 1 comment · Opened Feb 28, 2026
Add Extract tuple into struct code action Open

code action

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

swiftlang/sourcekit-lsp#2511 · 1 comment · Opened Feb 28, 2026
Add file header code action Open

code action

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

swiftlang/sourcekit-lsp#2510 · 3 comments · Opened Feb 28, 2026
Add Convert forEach to for-in loop code action Open

code action

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

swiftlang/sourcekit-lsp#2509 · 2 comments · Opened Feb 28, 2026
Add Inline function call (keep original) code action Open

code action

Difficulty 4/5 3-5 days Newbie friendliness 48/100

swiftlang/sourcekit-lsp#2508 · 1 comment · Opened Feb 28, 2026
Add Inline function code action Open

code action

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

swiftlang/sourcekit-lsp#2506 · 2 comments · Opened Feb 28, 2026
Convert to Switch Statement does not work when comparing strings Open

code action

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

swiftlang/sourcekit-lsp#2504 · 4 comments · Opened Feb 27, 2026
Refactoring "Convert string literal to minimal number of '#'s" produces incorrect source code Open

good first issue

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

swiftlang/sourcekit-lsp#2465 · 2 comments · Opened Jan 28, 2026
Convert to computed property may generate code without a type annotation Open

code action

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

swiftlang/sourcekit-lsp#2459 · 4 comments · Opened Jan 18, 2026
"Determing files" phase takes ~8 mins for our workspace Open

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

swiftlang/sourcekit-lsp#2455 · 10 comments · Opened Jan 15, 2026
SourceKit LSP keeps reloading the package even though nothing changes, breaking editor features Open

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

swiftlang/sourcekit-lsp#2454 · 5 comments · Opened Jan 15, 2026
Remove redundant parentheses code action Open

code action good first issue

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

swiftlang/sourcekit-lsp#2451 · 9 comments · Opened Jan 12, 2026
Specify high-level code actions with formal definitions Open

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

swiftlang/sourcekit-lsp#2441 · 6 comments · Opened Jan 9, 2026
Re-use module cache from `.build` or have a global module cache for background preparation Open

background indexing

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

swiftlang/sourcekit-lsp#2428 · 6 comments · Opened Jan 5, 2026
Decide if we want to index products of package dependencies Open

background indexing

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

swiftlang/sourcekit-lsp#2427 · 8 comments · Opened Jan 5, 2026
Rewrite syntactic refactoring actions in sourcekitd using swift-syntax Open

code action good first issue

Difficulty 5/5 Over a week Newbie friendliness 45/100

swiftlang/sourcekit-lsp#2424 · 18 comments · Opened Jan 5, 2026
Add CodeAction to invert if condition and swap branches Open

good first issue

Difficulty 3/5 1-2 days Newbie friendliness 55/100

swiftlang/sourcekit-lsp#2408 · 4 comments · Opened Jan 1, 2026
Highlight related identifiers for control flow keywords Open

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

swiftlang/sourcekit-lsp#2400 · Opened Dec 22, 2025
Option to have inlay hints for trailing closures Open

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

swiftlang/sourcekit-lsp#2381 · 1 reaction · Opened Dec 8, 2025
Macro Expansion Issues Open

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

swiftlang/sourcekit-lsp#2386 · 5 comments · Opened Nov 24, 2025
Support 'refactor.move' refactoring, to move methods or fields between types Open

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

swiftlang/sourcekit-lsp#2384 · 1 comment · Opened Nov 5, 2025
Background indexing is crushing CPU Open

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

swiftlang/sourcekit-lsp#2346 · 3 comments · 1 reaction · Opened Nov 4, 2025
Swift scripts update errors and warnings only after running Open

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

swiftlang/sourcekit-lsp#2383 · 9 comments · Opened Nov 1, 2025
Remove unused imports should be able to remove unused import declarations in active `#if` clauses Open

code action

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

swiftlang/sourcekit-lsp#2335 · 1 comment · Opened Oct 26, 2025
SourceKit-LSP fails loading the standard library while using Build Server Protocol Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

swiftlang/sourcekit-lsp#2328 · 1 comment · Opened Oct 22, 2025
Support going to definition on an InlayHint Open

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

swiftlang/sourcekit-lsp#2318 · Opened Oct 6, 2025
Sourcekit-lsp seems to reset its "state" after every go to def? Open

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

swiftlang/sourcekit-lsp#2317 · 15 comments · Opened Oct 3, 2025
Handle plugins when background indexing is disabled Open

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

swiftlang/sourcekit-lsp#2260 · 5 comments · Opened Aug 25, 2025
Include docc document extension files in code completion and hover documentation Open

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

swiftlang/sourcekit-lsp#2256 · 9 comments · Opened Aug 24, 2025

swiftlang/sourcekit-lsp

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