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Pyrefly

by Metav1.3.2

Last updated

A fast type checker and language server for Python

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Install with winget

$ winget install --id facebook.pyrefly --exact --version 1.3.2

Run in Command Prompt, PowerShell, or Windows Terminal. Prompts for any agreements.

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About

Pyrefly is a type checker and language server for Python, which provides lightning-fast type checking along with IDE features such as code navigation, semantic highlighting, and code completion. It is available as a command-line tool and an extension for popular IDEs and editors such as VSCode, Neovim, Zed, and more.

Installers · v1.3.2

ArchitectureTypeScopeInstallDownload
x64ZIP
archive
-Direct
arm64ZIP
archive
-Direct

Copy a command tailored to that specific architecture, type, and scope - useful when winget would otherwise pick a different default.

Security

No known CVEs for Pyrefly.

Coverage is best-effort and depends on a winget package mapping to an NVD CPE entry. Absence here is not a guarantee of safety.

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Frequently asked questions

How do I install Pyrefly on Windows?
Open Windows Terminal, PowerShell, or Command Prompt and run: winget install --id facebook.pyrefly --exact --version 1.3.2. winget downloads the installer from Meta and runs it. Requires Windows 10 (1809+) or Windows 11.
How do I install Pyrefly silently for unattended deployment?
Add --silent and accept the agreements upfront: winget install --id facebook.pyrefly --exact 1.3.2 --silent --accept-package-agreements --accept-source-agreements. This is the variant Intune, Configuration Manager, and other deployment tools should use.
How do I uninstall Pyrefly via winget?
Run: winget uninstall --id facebook.pyrefly --exact. Add --silent for unattended uninstalls. winget will use the registered uninstaller from Pyrefly's Apps & Features entry.
Is Pyrefly free?
Pyrefly is distributed under MIT. Refer to the publisher (https://github.com/facebook/pyrefly) for the full license terms - Wingetly itself does not charge for installation.
Does Pyrefly work on Windows 10?
Yes, as long as your Windows 10 build supports winget (1809 or newer). winget ships with App Installer on Windows 10/11 and pulls Pyrefly directly from the publisher.
How do I keep Pyrefly up to date?
Run winget upgrade --id facebook.pyrefly --exact, or winget upgrade --all to update everything winget tracks. We index 3 versions of Pyrefly from microsoft/winget-pkgs.

Recent versions

  • 1.3.2latest
  • 1.2.0
  • 1.1.1