A fast type checker and language server for Python

code-quality ide language-server language-server-protocol lsp python rust type-annotations type-check type-checker type-hints typecheck typechecker typechecking types typing vscode-extension
100 Open Issues Need Help Last updated: Jul 1, 2026

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A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
help wanted language-server baseline

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
configuration help wanted

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
help wanted language-server

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
help wanted stale language-server

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
good first issue typechecking

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
typechecking help wanted quansight

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
configuration typechecking help wanted

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
typechecking help wanted pydantic

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
configuration help wanted

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
help wanted language-server

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
typechecking help wanted

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
documentation good first issue pydantic

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
typechecking help wanted pydantic

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
typechecking help wanted

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
good first issue typechecking

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
good first issue language-server infer UI/UX

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
good first issue language-server

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
typechecking help wanted decorators

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
typechecking help wanted usability quansight

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
help wanted language-server

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
typechecking help wanted

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
help wanted crash language-server

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
good first issue stale language-server

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
help wanted language-server

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
sandbox help wanted crash

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
good first issue language-server

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
help wanted language-server

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
good first issue typechecking stale

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
typechecking help wanted stale

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
configuration help wanted

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
configuration help wanted

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
help wanted language-server

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
sandbox help wanted crash language-server

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
help wanted stale language-server

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
typechecking help wanted stale narrowing msgspec

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
help wanted language-server

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
typechecking help wanted google

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
help wanted language-server

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
good first issue typechecking stale

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
help wanted language-server

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
help wanted pydantic

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
help wanted infer

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
typechecking help wanted

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
configuration help wanted

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
typechecking help wanted narrowing

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
help wanted language-server

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
help wanted language-server

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
good first issue typechecking quansight

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
documentation good first issue help wanted language-server

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
help wanted language-server

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
configuration help wanted

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
help wanted language-server

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
configuration help wanted needs-discussion quansight

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
good first issue typechecking quansight

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
new rule - empty body about 2 months ago
typechecking help wanted

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
typechecking help wanted

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
typechecking help wanted

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
documentation help wanted

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
sandbox help wanted crash

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
configuration help wanted

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
typechecking help wanted

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
typechecking help wanted

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
good first issue typechecking

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
good first issue typechecking

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
typechecking help wanted

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
good first issue typechecking

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension
help wanted language-server

A fast type checker and language server for Python

Rust
#code-quality#ide#language-server#language-server-protocol#lsp#python#rust#type-annotations#type-check#type-checker#type-hints#typecheck#typechecker#typechecking#types#typing#vscode-extension