# LanguageTool Grammar and Style Checker

> Check grammar, style, and spelling across 25+ languages with LanguageTool. This open-source proofreading engine can run as a local Java server or via its public API, providing detailed error reports with correction suggestions for any text content.

- Skill: `agentskillexchange/languagetool-grammar-and-style-checker` (Agent Skill)
- Install (CLI): `npx skillmds@latest add agentskillexchange/languagetool-grammar-and-style-checker`
- Raw SKILL.md: https://api.skillmd.com/api/skills/agentskillexchange/languagetool-grammar-and-style-checker/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Integrations & APIs
- Author: agentskillexchange (https://skillmd.com/u/agentskillexchange)
- Updated: 2026-09-08
- Page: https://skillmd.com/skills/agentskillexchange/languagetool-grammar-and-style-checker

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# LanguageTool Grammar and Style Checker

Check grammar, style, and spelling across 25+ languages with LanguageTool. This open-source proofreading engine can run as a local Java server or via its public API, providing detailed error reports with correction suggestions for any text content.

## Installation

Use the upstream install or setup path that matches your environment:
- git clone --depth 5 https://github.com/languagetool-org/languagetool.git
- Install Brew for Rosetta:

Requirements and caveats from upstream:
- ## Docker
- Try one of the following projects for a community-contributed Docker file:
- github.com | hub.docker.com/r

Basic usage or getting-started notes:
- [How to run your own LanguageTool server](https://dev.languagetool.org/http-server)
- If you wish to have more options, download the install.sh script. Usage options follow:
- Options:

- Source: https://github.com/languagetool-org/languagetool
- Extracted from upstream docs: https://raw.githubusercontent.com/languagetool-org/languagetool/HEAD/README.md

## Source

- [Agent Skill Exchange](https://agentskillexchange.com/skills/languagetool-grammar-style-checker/)