install

Additional install commands

macOS

Homebrewverified · 100%

brew install erg

local Homebrew formula metadata

Linux

Nixverified · 92%

nix profile install nixpkgs#erg

nixpkgs package indexes · pkgs/by-name/er/erg/package.nix · source: api.github.com

overview

Package summary

Statically typed language that can deeply improve the Python ecosystem

Project links

Commands and aliases

erg

history

Project history and usage

Erg is an experimental statically typed programming language implemented in Rust and designed to interoperate with Python. The official README presents it as a language for Python users who want stronger static guarantees, readable errors, and a practical mix of functional and object-oriented programming.

Project history

The public GitHub repository was created in 2022, with an initial 0.1.1 GitHub release shortly afterward. The README states that the repository contains the compiler and documentation and lists features such as refinement-style type checks, Python API imports, optional language-server builds, and localized diagnostics.

Adoption history

Erg's adoption is early-stage and developer-experimental. The README points users to Cargo, source builds, Nix, a web playground, and multilingual documentation, while the supplied input lists Homebrew and Nix package availability.

How it is used

Users run the `erg` compiler or REPL, build it with Cargo or Nix, and can enable feature flags such as language-specific diagnostics, the Erg Language Server, debug mode, or richer REPL behavior. Its core usage story is trying a Python-compatible language with static checks rather than replacing the Python runtime outright.

Why package nerds care

Erg is interesting to package nerds as a young language-runtime formula: it mixes a Rust compiler, Python runtime requirements, optional language-server pieces, and docs/playground expectations. Its package-manager presence is more about discoverability for language experimenters than mass production use.

Timeline

2022: The GitHub repository was created.
2022: Version 0.1.1 was published on GitHub releases.
2020s: The README documents Cargo, source, Nix, and optional ELS installation paths.

Related projects

Erg is related to Python, Rust, Nix, Cargo, and editor language-server tooling.

Sources

security posture

Risk level: green

narrow executable package without higher-risk signals.

Risk classifier

green risk · low confidence · appliance

Why

narrow executable package without higher-risk signals

Signals

metadata:no-higher-risk-signals

Install behavior

No Homebrew post-install hook is recorded in formula metadata.
Homebrew bottle metadata is available for 8 platform targets.
Build metadata lists 1 build dependencies.

Recommended review

Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.

executables

Installed executables

Command	Kind	Exposure	Note
`erg`	cli	global executable

freshness

Version and freshness

These signals separate page generation age, package-manager activity, and upstream release comparison. Version lag is warned only when an evidence URL and comparable versions are present.

page generated2026-07-08

manager version0.6.53

manager updated

local dataok

upstreamcurrent

latest detectedv0.6.53

https://github.com/erg-lang/erg

infoNo package-manager update timestamp was available.low confidence

install metadata

Package metadata

Package key	brew:erg
Version	0.6.53
Package manager	Homebrew
Package manager page	https://formulae.brew.sh/formula/erg
Homepage	https://github.com/erg-lang/erg
Repository	https://github.com/erg-lang/erg
Upstream docs	https://erg-lang.org/install
License	Apache-2.0 OR MIT
Source archive	https://github.com/erg-lang/erg/archive/refs/tags/v0.6.53.tar.gz
Build dependencies	rust
Bottle	available (on arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, sonoma, ventura, x86_64_linux)
Homebrew post-install	not defined
Service	none declared

registry facts

Source database details

Source Database	Homebrew formula API
Tap	homebrew/core
Full Name	erg
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

source database matches

Other package-manager records

Matches are pulled from external package-manager indexes and kept separate from local Automic Vault package links.

Nix95%

erg

nix profile install nixpkgs#erg

normalized package name match
Matched by: Erg

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

package graph

Links come from deterministic package relationships, av.db category and tag curation, ecosystem matches, and package hub membership.

source trail

Generated from repository data

This page is generated by av-web from the private package SQLite artifact built by scripts/generate-pkg-sqlite.py.

Combined YAML source

View the package source record on GitHub.

combined/erg.yml

Used sources

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

Install erg with Homebrew, Nix