facebook / pyrefly

git clone https://github.com/facebook/pyrefly.git

A fast type checker and language server for Python

—

stars, 24h

—

stars, 7 days

—

stars, 30 days

7.1k

★ total

564

forks · 734 open issues

Star history starts 2026-10-20; the chart appears after the second daily snapshot.

LanguageRust

LicenseMIT

Created2025-02-19 (1y ago)

Last pushtoday

OwnerOrganization

GitHub topics

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

Links

GitHub: github.com/facebook/pyrefly
Homepage: http://pyrefly.org/
Releases · Issues · Hacker News mentions