# Install polyglot with Homebrew, apk, apt, Nix

Protocol adapter to run UCI engines under XBoard. Version 2.0.4 via Homebrew; verified 2026-07-04.

## Install

```sh
sudo av install brew:polyglot
```

Additional install commands:

### macOS

- Homebrew (100%):

```sh
brew install polyglot
```

  Evidence: local Homebrew formula metadata

### Linux

- apk (92%):

```sh
sudo apk add polyglot
```

  Evidence: Alpine Linux edge package indexes: polyglot from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz

- Debian apt (92%):

```sh
sudo apt install polyglot
```

  Evidence: Debian stable package indexes: polyglot from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz

- Nix (92%):

```sh
nix profile install nixpkgs#polyglot
```

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

## Package facts

- **Package key:** brew:polyglot
- **Package manager:** Homebrew
- **Package manager page:** <https://formulae.brew.sh/formula/polyglot>
- **Version:** 2.0.4
- **Source summary:** Protocol adapter to run UCI engines under XBoard
- **Homepage:** <https://www.chessprogramming.org/PolyGlot>
- **Repository:** <https://hgm.nubati.net/git/polyglot.git>
- **Upstream docs:** <https://www.chessprogramming.org/PolyGlot>
- **License:** GPL-2.0-or-later
- **Source archive:** <https://hgm.nubati.net/releases/polyglot-2.0.4.tar.gz>
- **Last updated:** 2026-07-04T13:13:44+09:00
- **Generated:** 2026-07-08T18:08:21+00:00

## Executables

- polyglot (cli)
- polyglot (alias)

## Install behavior

- Post-install hook: not defined
- Bottle: available on arm64_big_sur, arm64_linux, arm64_monterey, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, big_sur, catalina, monterey, sonoma, ventura

## Freshness

- Page generated: 2026-07-08
- Package-manager version: 2.0.4
- Package-manager updated: 2026-07-04
- Local data: ok
- Upstream repository: https://www.chessprogramming.org/PolyGlot
- info: Release/tag comparison is only available for GitHub repositories.
## Project history and usage

PolyGlot is a chess utility that lets UCI chess engines run through interfaces and GUIs that speak the XBoard/WinBoard chess-engine protocol. It is also known for the PolyGlot binary opening-book format.

### Project history

Chessprogramming identifies PolyGlot as an adapter developed by Fabien Letouzey and modified by Fonzy Bluemers. The page describes PolyGlot 1.4 as providing a simple opening-book implementation referred to as the bin-opening-book format.

### Adoption history

The supplied package facts show distribution through Homebrew, Debian, Ubuntu, Alpine, and Nix, reflecting its continued role as legacy chess-engine glue even after newer adapters appeared.

### How it is used

PolyGlot is used to bridge UCI engines into XBoard/WinBoard-style front ends and to create or consume PolyGlot-format opening books.

### Why package nerds care

PolyGlot matters to package maintainers because it preserves interoperability across old chess GUIs, UCI engines, and opening-book tooling. Its package is small, CLI-oriented, and tied to a long-running compatibility niche.

### Timeline

- 2004: Chessprogramming lists early PolyGlot forum posts and PolyGlot 1.0 discussion.
- 2005: Chessprogramming lists PolyGlot 1.2 and 1.3 availability discussions.
- 2008-2009: Chessprogramming lists Fonzy Bluemers 1.4w releases.
- 2018: Chessprogramming notes XBoard/WinBoard retirement plans for PolyGlot in favor of UCI2WB.

### Related projects

- UCI
- XBoard
- WinBoard
- UCI2WB
- PolyGlot opening-book format

### Sources

- <https://www.chessprogramming.org/PolyGlot>
- source_facts.package-manager


## Security Notes

narrow executable package without higher-risk signals.

- **Geiger risk:** green / low
- narrow executable package without higher-risk signals


## Configuration and credential file locations

These source-backed paths show where this package keeps local settings or durable credentials. Automic Vault can use them as review targets for secret scanning, migration, and command approval.


## Configuration files

- Unix: polyglot.ini
## Source Database Details

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

## Other Package-Manager Records

- Debian apt - polyglot - 2.0.4+git20210322-1: normalized package name match | Debian stable package indexes: polyglot from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | chess engine protocol adaptor, connects UCI engines to xboard
- Nix - polyglot: normalized package name match | nixpkgs package indexes: pkgs/by-name/po/polyglot/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1
- Ubuntu apt - polyglot - 2.0.4+git20210322-1: normalized package name match | Ubuntu 24.04 LTS package indexes: polyglot from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | chess engine protocol adaptor, connects UCI engines to xboard
- apk - polyglot - 2.0.4-r2: normalized package name match | Alpine Linux edge package indexes: polyglot from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz | Protocol adapter to run UCI chess engines under XBoard | https://www.chessprogramming.org/PolyGlot
- apk - polyglot-doc - 2.0.4-r2: normalized package name match | Alpine Linux edge package indexes: polyglot-doc from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz | Protocol adapter to run UCI chess engines under XBoard (documentation) | https://www.chessprogramming.org/PolyGlot


## Related links

- [Terminal utility packages](https://www.automicvault.com/pkg/terminal-utilities/) - Matched terminal and command-line workflow metadata.
- [Networking and protocol packages](https://www.automicvault.com/pkg/networking-protocol-tools/) - Matched network, protocol, or remote-service metadata.
- [Game and emulation packages](https://www.automicvault.com/pkg/game-emulation-tools/) - Matched game or emulation metadata.
- [Homebrew utility packages](https://www.automicvault.com/pkg/brew-utility-packages/) - Matched Homebrew package provider.
- [xboard](https://www.automicvault.com/pkg/brew/xboard/) - Popular package that depends on this formula.
- [fairy-stockfish](https://www.automicvault.com/pkg/brew/fairy-stockfish/) - Shares av.db curated category or tags: chess, cli, games, uci, xboard.
- [gnu-chess](https://www.automicvault.com/pkg/brew/gnu-chess/) - Shares av.db curated category or tags: chess, cli, games, uci, xboard.
- [fairymax](https://www.automicvault.com/pkg/brew/fairymax/) - Shares av.db curated category or tags: chess, cli, games, xboard.
- [lc0](https://www.automicvault.com/pkg/brew/lc0/) - Shares av.db curated category or tags: chess, cli, games, uci.
- [stockfish](https://www.automicvault.com/pkg/brew/stockfish/) - Shares av.db curated category or tags: chess, cli, games, uci.
- [cheops](https://www.automicvault.com/pkg/brew/cheops/) - Shares av.db curated category or tags: chess, cli, games.
- [advancescan](https://www.automicvault.com/pkg/brew/advancescan/) - Shares av.db curated category or tags: cli, games.

## Combined YAML source

View the package source record on GitHub. [combined/polyglot.yml](https://github.com/automic-vault/db/blob/main/combined/polyglot.yml)


## Sources

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