# Install basedpyright

Pyright fork with various improvements and built-in pylance features. Version 1.39.7 via Homebrew; verified 2026-06-08.

## Install

```sh
sudo av install brew:basedpyright
```

Additional install commands:

### macOS

- Homebrew (100%):

```sh
brew install basedpyright
```

  Evidence: local Homebrew formula metadata

### Linux

- Nix (92%):

```sh
nix profile install nixpkgs#basedpyright
```

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

## Package Facts

- **Package key:** brew:basedpyright
- **Package manager:** Homebrew
- **Package manager URL:** <https://formulae.brew.sh/formula/basedpyright>
- **Version:** 1.39.7
- **Source summary:** Pyright fork with various improvements and built-in pylance features
- **Homepage:** <https://github.com/DetachHead/basedpyright>
- **Repository:** <https://github.com/DetachHead/basedpyright>
- **Upstream docs:** <https://docs.basedpyright.com/latest>
- **License:** MIT
- **Source archive:** <https://registry.npmjs.org/basedpyright/-/basedpyright-1.39.7.tgz>
- **Last updated:** 2026-06-08T13:48:34Z
- **Generated:** 2026-06-10T07:18:26+00:00

## Executables

- basedpyright (cli)
- basedpyright-langserver (cli)
- basedpyright (alias)
- basedpyright-langserver (alias)

## Dependencies

- node

## Install Behavior

- Post-install hook: not defined
- Bottle: available on all

## Freshness

- Page generated: 2026-06-10
- Package-manager version: 1.39.7
- Package-manager updated: 2026-06-08
- Local data status: ok
- Upstream repository: https://github.com/DetachHead/basedpyright
- info: No cached GitHub release or tag data was available.

## セキュリティノート

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:** basedpyright
- **Version Scheme:** 0
- **Revision:** 0
- **Bottle Stable Root URL:** <https://ghcr.io/v2/homebrew/core>
- **Deprecated:** no
- **Disabled:** no
- **Keg Only:** no
- **URL Keys:** stable

## Other Package-Manager Records

- Nix - basedpyright: normalized package name match | nixpkgs package indexes: pkgs/by-name/ba/basedpyright/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1


## Related Links

- [Source-control packages](https://www.automicvault.com/ja/pkg/source-control-tools/) - Belongs to a source-control command family.
- [Terminal utility packages](https://www.automicvault.com/ja/pkg/terminal-utilities/) - Matched terminal and command-line workflow metadata.
- [Text processing packages](https://www.automicvault.com/ja/pkg/text-processing-tools/) - Matched text, document, or structured-data processing metadata.
- [Developer build packages](https://www.automicvault.com/ja/pkg/developer-build-tools/) - Matched build, compiler, generator, or developer workflow metadata.
- [node](https://www.automicvault.com/ja/pkg/brew/node/) - Runtime dependency declared by Homebrew.
- [pyright](https://www.automicvault.com/ja/pkg/brew/pyright/) - Shares av.db curated category or tags: cli, developer-tools, language-server, python, type-checker.
- [ty](https://www.automicvault.com/ja/pkg/brew/ty/) - Shares av.db curated category or tags: cli, developer-tools, language-server, python, type-checker.
- [pyrefly](https://www.automicvault.com/ja/pkg/brew/pyrefly/) - Shares av.db curated category or tags: cli, developer-tools, language-server, python, type-checker.
- [zuban](https://www.automicvault.com/ja/pkg/brew/zuban/) - Shares av.db curated category or tags: cli, developer-tools, language-server, python, type-checker.
- [mypy](https://www.automicvault.com/ja/pkg/brew/mypy/) - Shares av.db curated category or tags: cli, developer-tools, python, type-checker.
- [python-lsp-server](https://www.automicvault.com/ja/pkg/brew/python-lsp-server/) - Shares av.db curated category or tags: cli, developer-tools, language-server, python.
- [cmake-language-server](https://www.automicvault.com/ja/pkg/brew/cmake-language-server/) - Shares av.db curated category or tags: cli, developer-tools, language-server, python.
- [pylyzer](https://www.automicvault.com/ja/pkg/brew/pylyzer/) - Shares av.db curated category or tags: cli, developer-tools, language-server, python.
- [basedpyright](https://www.automicvault.com/ja/pkg/npm/basedpyright/) - Same normalized package name appears in another local ecosystem. Shared terms: basedpyright, basedpyright-langserver, features, fork, improvements.
- [docker-compose-langserver](https://www.automicvault.com/ja/pkg/brew/docker-compose-langserver/) - Both packages touch the same language runtime or ecosystem. Shared terms: cli, developer, developer-tools, langserver, language.
- [basedpyright](https://www.automicvault.com/ja/pkg/npm/basedpyright/) - Same normalized package name in another local ecosystem.

## 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