mecab ☆
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Description:
Yet another part-of-speech and morphological analyzer
Type: Formula  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Developer tools
Tags: nlp japanese morphological-analysis text-processing linguistics
Install: brew install mecab
About:
MeCab is a highly efficient, open-source morphological analyzer designed for Japanese text processing. It uses a probabilistic model to segment text into morphemes and assign part-of-speech tags with high accuracy. Its primary value is a fast, trainable, and language-independent framework that can be used as a standalone tool or integrated into various programming languages.
Key Features:
  • High-speed segmentation and tagging
  • Trainable on custom corpora
  • Language-independent architecture
  • Extensible via C++ plugins
Use Cases:
  • Japanese text preprocessing for NLP pipelines
  • Building search engine indexing systems
  • Grammar checking and linguistic research
Alternatives:
  • SudachiPy – MeCab is faster and more established, while Sudachi offers modern algorithms and dictionary options specifically tuned for modern Japanese.
  • Jieba – Jieba is specialized for Chinese segmentation, whereas MeCab is the standard for Japanese.
Version History
Detected Version Rev Change Commit
Sep 10, 2025 8:21am 0 VERSION_BUMP afa2ff1a
Sep 10, 2024 11:18am 0 VERSION_BUMP 9de49155
May 15, 2024 11:56am 0 VERSION_BUMP 82fb409f
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