language-coach-statusline

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Claude Code Language Coach Monorepo

This repository contains two versions of the Language Coach plugin for Claude Code.

Write Claude Code prompts in languages you're not fluent in — with grammar checks, translation, and back-translation to verify your intent.

• If your prompt is already in your chosen target language, it checks grammar and suggests a more natural version.
• If your prompt is in another language, it translates it into a concise Claude Code prompt in your chosen target language.
• Set an optional source_language to see a back-translation, so you can verify the translated prompt still means what you intended.

Neither version modifies your input. The feedback is visible only to you and is never inserted into Claude's model context.

Comparison

Feature	Original (Recommended)	Statusline
Delivery	Inline system message in chat	CLI Status Line (footer)
UX	Delays Claude's response slightly	Instant response (runs in background)
Visibility	Prominent, before Claude's reply	Subtle, appears during/after reply
Setup	Configure API key, base URL, and model	Configure API + manual settings.json edit

Plugins

1. Language Coach (Original) (Recommended)

The classic version that provides blocking, inline feedback before each prompt.

Install:

1. Add the marketplace:

   /plugin marketplace add jiang1997/claude-code-language-coach
   

2. Install the plugin:

   /plugin install language-coach@language-coach
   

3. Configure — open the plugin manager (/plugin → Installed → Language Coach) and set:

   • api_key: Your OpenAI-compatible API key
   • base_url: Provider base URL (e.g. https://api.openai.com/v1)
   • model: Model name accepted by that provider

2. Language Coach Statusline

The non-blocking version that provides feedback in the CLI status line.

Install:

1. Add the marketplace:

   /plugin marketplace add jiang1997/claude-code-language-coach
   

2. Install the plugin:

   /plugin install language-coach-statusline@language-coach
   

3. Configure — same API settings as the Original version (api_key, base_url, model).

Mandatory Setup: To see the feedback, you must add a statusLine entry to your ~/.claude/settings.json:

{
  "statusLine": {
    "type": "command",
    "command": "node /absolute/path/to/plugins/language-coach-statusline/scripts/language-statusline.js",
    "refreshInterval": 3
  }
}

(Tip: Use find ~/.claude/plugins -name language-statusline.js to find the absolute path after installation.)

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Development

Because this is a monorepo, you must point the CLI to a specific sub-directory when testing locally:

To develop the Original version:

claude --plugin-dir ./plugins/language-coach

To develop the Statusline version:

claude --plugin-dir ./plugins/language-coach-statusline