# Install pyrefly

Fast type checker and IDE for Python. Version 1.0.0 via Homebrew; verified 2026-05-12.

## Install

```sh
sudo av install brew:pyrefly
```

Additional install commands:

### macOS

- Homebrew (100%):

```sh
brew install pyrefly
```

  Evidence: local Homebrew formula metadata

### Linux

- Nix (92%):

```sh
nix profile install nixpkgs#pyrefly
```

  Evidence: nixpkgs package indexes: pkgs/by-name/py/pyrefly/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1

### Windows

- Scoop (92%):

```sh
scoop install main/pyrefly
```

  Evidence: Scoop official bucket manifest trees: bucket/pyrefly.json from https://api.github.com/repos/ScoopInstaller/Main/git/trees/master?recursive=1

## Package Facts

- **Package key:** brew:pyrefly
- **Package manager:** Homebrew
- **Package manager URL:** <https://formulae.brew.sh/formula/pyrefly>
- **Version:** 1.0.0
- **Source summary:** Fast type checker and IDE for Python
- **Homepage:** <https://pyrefly.org/>
- **Repository:** <https://github.com/facebook/pyrefly>
- **Upstream docs:** <https://pyrefly.org/>
- **License:** MIT
- **Source archive:** <https://github.com/facebook/pyrefly/archive/refs/tags/1.0.0.tar.gz>
- **Last updated:** 2026-05-12T23:20:28Z
- **Generated:** 2026-06-10T07:18:26+00:00

## Executables

- pyrefly (cli)
- pyrefly (alias)

## Build Dependencies

- rust

## Install Behavior

- Post-install hook: not defined
- Bottle: available on arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, x86_64_linux

## Freshness

- Page generated: 2026-06-10
- Package-manager version: 1.0.0
- Package-manager updated: 2026-05-12
- Local data status: ok
- Upstream repository: https://github.com/facebook/pyrefly
- Upstream latest detected: 1.0.0 (current)

## Notes de sécurité

no executable entrypoint in the package index.

- **Geiger risk:** green / low
- no executable entrypoint in the package index

## Source Database Details

- **Source Database:** Homebrew formula API
- **Tap:** homebrew/core
- **Full Name:** pyrefly
- **Version Scheme:** 0
- **Revision:** 0
- **Head Version:** HEAD
- **Bottle Stable Root URL:** <https://ghcr.io/v2/homebrew/core>
- **Deprecated:** no
- **Disabled:** no
- **Keg Only:** no
- **URL Keys:** head, stable

## Other Package-Manager Records

- Nix - pyrefly: normalized package name match | nixpkgs package indexes: pkgs/by-name/py/pyrefly/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1
- Scoop - main/pyrefly: normalized package name match | Scoop official bucket manifest trees: bucket/pyrefly.json from https://api.github.com/repos/ScoopInstaller/Main/git/trees/master?recursive=1


## Related Links

- [Terminal utility packages](https://www.automicvault.com/fr/pkg/terminal-utilities/) - Matched terminal and command-line workflow metadata.
- [Text processing packages](https://www.automicvault.com/fr/pkg/text-processing-tools/) - Matched text, document, or structured-data processing metadata.
- [Developer build packages](https://www.automicvault.com/fr/pkg/developer-build-tools/) - Matched build, compiler, generator, or developer workflow metadata.
- [Language runtime packages](https://www.automicvault.com/fr/pkg/language-runtime-packages/) - Matched language runtime, compiler, or interpreter metadata.
- [rust](https://www.automicvault.com/fr/pkg/brew/rust/) - Build dependency declared by Homebrew.
- [pyright](https://www.automicvault.com/fr/pkg/brew/pyright/) - Shares av.db curated category or tags: cli, developer-tools, language-server, python, static-analysis.
- [mypy](https://www.automicvault.com/fr/pkg/brew/mypy/) - Shares av.db curated category or tags: cli, developer-tools, python, static-analysis, type-checker.
- [ty](https://www.automicvault.com/fr/pkg/brew/ty/) - Shares av.db curated category or tags: cli, developer-tools, language-server, python, static-analysis.
- [pylyzer](https://www.automicvault.com/fr/pkg/brew/pylyzer/) - Shares av.db curated category or tags: cli, developer-tools, language-server, python, static-analysis.
- [pylint](https://www.automicvault.com/fr/pkg/brew/pylint/) - Shares av.db curated category or tags: cli, developer-tools, python, static-analysis.
- [pyscn](https://www.automicvault.com/fr/pkg/brew/pyscn/) - Shares av.db curated category or tags: cli, developer-tools, python, static-analysis.
- [psalm](https://www.automicvault.com/fr/pkg/brew/psalm/) - Shares av.db curated category or tags: cli, developer-tools, language-server, static-analysis.
- [vermin](https://www.automicvault.com/fr/pkg/brew/vermin/) - Shares av.db curated category or tags: cli, developer-tools, python, static-analysis.

## Sources

- Nucleus package database
- Geiger risk classifier
- package-page enrichment
- package version freshness
- av.db category and tag curation
- package relationship graph
- external package-manager database matches
- cross-ecosystem install command graph