Versions:

  • 1.12.0
  • 1.11.0
  • 1.10.0
  • 1.9.0
  • 1.8.0
  • 1.7.0
  • 1.6.0
  • 1.5.1
  • 1.4.1
  • 1.4.0
  • 1.3.0
  • 1.2.0
  • 1.1.0
  • 1.0.0
  • 0.73.0
  • 0.72.0
  • 0.71.0
  • 0.70.0
  • 0.69.0
  • 0.68.0
  • 0.67.0
  • 0.66.0
  • 0.65.0
  • 0.64.0
  • 0.63.0
  • 0.62.0
  • 0.61.0
  • 0.60.0
  • 0.59.0
  • 0.58.0
  • 0.57.0
  • 0.56.0
  • 0.55.0
  • 0.54.0
  • 0.53.0
  • 0.52.0
  • 0.51.0
  • 0.50.0
  • 0.49.0
  • 0.48.0
  • 0.47.0
  • 0.46.0
  • 0.45.0
  • 0.44.0
  • 0.43.0
  • 0.32.1
  • 0.22.0
  • 0.21.1
  • 0.20.0
  • v0.42.0
  • v0.41.0
  • v0.40.0
  • v0.39.0
  • v0.38.0
  • v0.37.0
  • v0.36.0
  • v0.35.0
  • v0.34.1
  • v0.34.0
  • v0.33.0
  • v0.31.0
  • v0.30.0
  • v0.29.1
  • v0.29.0
  • v0.28.0
  • v0.27.0
  • v0.26.0
  • v0.25.1
  • v0.25.0
  • v0.24.0
  • v0.23.0

Harper Language Server is a Language Server Protocol implementation developed by Automattic Inc. that embeds the Harper grammar checker into any LSP-compatible editor, providing on-the-fly spelling, punctuation, and style suggestions for English text. Designed for writers, developers, and documentation teams, the server runs silently in the background, surfacing diagnostics and quick-fixes inside code editors such as Visual Studio Code, Neovim, Emacs, Sublime Text, and JetBrains IDEs, turning every markdown file, code comment, or plain-text document into a live proofreading surface. Typical use cases include maintaining consistent tone across large software documentation sets, catching typos in Javadoc or Rust doc-strings, enforcing a corporate style guide in README files, and assisting non-native speakers who commit to English-language repositories; because the protocol is editor-agnostic, teams can share the same Harper configuration file in a repo and guarantee identical grammar rules for every contributor regardless of personal toolchain. The software belongs to the “Office Tools / Grammar & Spell Checkers” category and is currently at version 1.12.0, the seventy-first public iteration since the project’s inception, reflecting a rapid cadence of vocabulary updates, performance refinements, and new rule modules. Each release maintains backward compatibility with LSP 3.17 while incrementally expanding suggestion accuracy and reducing memory footprint inside long-running editing sessions. Harper Language Server is available for free on get.nero.com, with downloads provided via trusted Windows package sources such as winget, always delivering the latest version and supporting batch installation of multiple applications.

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