macOS
brew install mecabprovider-native install command
brew / rank 1063
Yet another part-of-speech and morphological analyzer. Version 0.996 via Homebrew; verified 2026-06-16.
install
brew install mecabprovider-native install command
overview
Yet another part-of-speech and morphological analyzer
history
MeCab is a Japanese part-of-speech and morphological analyzer. The official documentation describes it as an open-source engine developed through the Kyoto University Graduate School of Informatics and NTT Communication Science Laboratories joint research unit project.
MeCab was designed to be independent of language, dictionary, and corpus, using Conditional Random Fields for parameter estimation. Its documentation contrasts this with ChaSen's hidden Markov model and states that MeCab is faster on average than ChaSen, Juman, and KAKASI.
The release history in the official documentation starts with MeCab 0.90 as the initial release on 2006-03-26. Version 0.93 in July 2006 changed the license to a GPL, LGPL, or BSD triple-license model, and later releases added faster dictionary compilation, HMM training support, partial parsing APIs, retraining, and user dictionary cost estimation.
Official downloads separate the engine from dictionaries such as IPA, Juman, and UniDic, and list bindings for Perl, Ruby, Python, and Java. The input package facts show broad package-manager coverage across Homebrew, Debian, Ubuntu, Fedora, MacPorts, and Nix, reflecting MeCab's long-lived role as infrastructure for Japanese NLP.
The docs cover direct parsing, wakati output, output-format customization, character-set changes, N-best output, adding words, dictionary format details, unknown-word handling, partial parsing, soft-wakati output, the C/C++ library interface, and script-language bindings. The command-line tools `mecab` and `mecab-config` expose those capabilities to packages and build scripts.
MeCab is a classic package-manager NLP dependency: small native engine, separate dictionaries, command-line interface, C/C++ library, and bindings. It is especially important because many downstream Japanese text tools depend on the stable `mecab` executable and dictionary layout rather than embedding an analyzer.
security posture
narrow executable package without higher-risk signals.
green risk · low confidence · appliance
Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.
executables
| Command | Kind | Exposure | Note |
|---|---|---|---|
mecab | executable | indexed executable | Discovered from the local executable index. |
mecab-config | executable | indexed executable | Discovered from the local executable index. |
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.
install metadata
| Package key | brew:mecab |
|---|---|
| Version | 0.996 |
| Package manager | Homebrew |
| Homepage | https://taku910.github.io/mecab/ |
| Last updated | 2026-06-16T20:46:20Z |
| Pulse | updated |
| Bottle | not recorded |
| Service | none declared |
source trail
This page is generated by av-web from the private package SQLite artifact built by scripts/generate-pkg-sqlite.py.
View the package source record on GitHub.