install

Additional install commands

macOS

Homebrewverified · 100%

brew install micromamba

local Homebrew formula metadata

Linux

Fedora dnfverified · 92%

sudo dnf install mamba

Fedora Rawhide package metadata · mamba · source: dl.fedoraproject.org

Nixverified · 92%

nix profile install nixpkgs#micromamba

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

Windows

Windows Package Managerverified · 92%

winget install --id Mamba.Micromamba -e

Windows Package Manager source index · Mamba.Micromamba · source: cdn.winget.microsoft.com

overview

Package summary

Fast Cross-Platform Package Manager

Project links

Commands and aliases

mamba
micromamba

history

Project history and usage

micromamba is the small, standalone member of the Mamba package-manager family. Mamba began at QuantStack as a C++ reimplementation of conda focused on faster dependency solving and downloads, using libsolv and parallel fetching while preserving conda-compatible package operations. That work grew inside the conda-forge ecosystem, where fast solving matters for large scientific and data-science package graphs.

Project history

micromamba packages the same codebase with different build choices: the official documentation describes it as a tiny, statically linked C++ executable with its own CLI, no required `base` environment, and no bundled Python. The Mamba README positions it for CI/CD pipelines, Docker images, bootstrapping, and other places where a single self-contained executable is easier than installing Miniforge or a full conda stack.

How it is used

A major technical milestone came with the Mamba 2.0 effort, which made Mamba use the same standalone code as micromamba and removed the older Python-dependent pieces. For package-manager users, micromamba fills the bootstrapper niche: create or run conda environments quickly without first carrying an entire conda distribution.

Sources

security posture

Risk level: orange

infrastructure mutation or orchestration signal.

Risk classifier

orange risk · medium confidence · infrastructure

Why

infrastructure mutation or orchestration signal

Signals

text:package manager

Install behavior

No Homebrew post-install hook is recorded in formula metadata.
Homebrew bottle metadata is available for 6 platform targets.
Installs with 11 runtime dependencies.
Build metadata lists 6 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.

local files

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

Config paths the tool may read or write during local use.

Unix: /etc/conda/.condarc/etc/conda/condarc/etc/conda/condarc.d//etc/conda/.mambarc/var/lib/conda/.condarc/var/lib/conda/condarc/var/lib/conda/condarc.d//var/lib/conda/.mambarc{root_prefix}/.condarc{root_prefix}/condarc{root_prefix}/condarc.d{root_prefix}/.mambarc~/.conda/.condarc~/.conda/condarc~/.conda/condarc.d~/.condarc~/.mambarc{target_prefix}/.condarc{target_prefix}/condarc{target_prefix}/condarc.d{target_prefix}/.mambarc$CONDARC$MAMBARC
Windows: C:\ProgramData\conda\.condarcC:\ProgramData\conda\condarcC:\ProgramData\conda\condarc.dC:\ProgramData\conda\.mambarc{root_prefix}\.condarc{root_prefix}\condarc{root_prefix}\condarc.d{root_prefix}\.mambarc~\.conda\.condarc~\.conda\condarc~\.conda\condarc.d~\.condarc~\.mambarc{target_prefix}\.condarc{target_prefix}\condarc{target_prefix}\condarc.d{target_prefix}\.mambarc%CONDARC%%MAMBARC%

executables

Installed executables

Command	Kind	Exposure	Note
`mamba`	cli	global executable
`micromamba`	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 version2.8.1

manager updated2026-06-09

local dataok

upstreamcurrent

latest detected2.8.1

https://github.com/mamba-org/mamba

okNo freshness warnings were generated.

install metadata

Package metadata

Package key	brew:micromamba
Version	2.8.1
Package manager	Homebrew
Package manager page	https://formulae.brew.sh/formula/micromamba
Homepage	https://github.com/mamba-org/mamba
Repository	https://github.com/mamba-org/mamba
Upstream docs	https://mamba.readthedocs.io/en/stable
License	BSD-3-Clause
Source archive	https://github.com/mamba-org/mamba/archive/refs/tags/2.8.1.tar.gz
Last updated	2026-06-09T13:20:16Z
Pulse	updated
Dependencies	fmt, libarchive, libsolv, lz4, msgpack, openssl@3, reproc, simdjson, xz, yaml-cpp, zstd
Build dependencies	cli11, cmake, nlohmann-json, pkgconf, spdlog, tl-expected
Uses from macOS	bzip2, curl, krb5
Bottle	available (on arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, x86_64_linux)
Homebrew post-install	not defined
Service	none declared
Caveats	Please run the following to setup your shell: $HOMEBREW_PREFIX/opt/micromamba/bin/mamba shell init --shell <your-shell> --root-prefix ~/mamba and restart your terminal.

registry facts

Source database details

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

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%

micromamba

nix profile install nixpkgs#micromamba

normalized package name match
Matched by: Micromamba

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

dnf95%

mamba 2.5.0-1.fc45

The Fast Cross-Platform Package Manager

https://github.com/mamba-org/mamba

sudo dnf install mamba

License: BSD-3-Clause
Category: Unspecified
Architecture: x86_64
Source Package: libmamba
9 dependencies
2 provides
normalized package name match
Matched by: Micromamba

Fedora Rawhide package metadata · dl.fedoraproject.org · Fedora Rawhide package metadata: mamba from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/e5ca8ce900cd68f5419e1c39ae517343100b306336cbaeb70a3c153121d95094-primary.xml.zst

winget95%

Mamba.Micromamba

winget install --id Mamba.Micromamba -e

normalized package name match
Matched by: Micromamba

Windows Package Manager source index · cdn.winget.microsoft.com · Windows Package Manager source index: Mamba.Micromamba from https://cdn.winget.microsoft.com/cache/source.msix

Nix92%

mamba

nix profile install nixpkgs#mamba

installed executable or alias match
Matched by: Mamba

nixpkgs package indexes · api.github.com · nixpkgs package indexes: pkgs/by-name/ma/mamba/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/micromamba.yml

Used sources

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

Install micromamba with Homebrew, dnf, Nix, winget