Claude Code
Codex
Cursor
GitHub Copilot
Gemini CLIAbout this skill
Harper is an offline, privacy-first grammar checker written in Rust by Automattic. It runs locally with sub-10ms response times, supports LSP for editor integration, compiles to WebAssembly for browser use, and provides grammar, spelling, and style checking without sending text to external servers.
Quick start
- Copy the install prompt. Use the green button above this README.
- Send it to your agent. Paste it into your coding agent’s chat and send.
- Review the setup. Your agent checks the skill’s instructions, requirements, and installation scope.
Review, license & listing details
Review the source before using this skill
This is an imported listing. We haven’t certified its safety, license, or compatibility. Skills may include executable scripts.
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About scan coverage and limitationsAbout this listing
- Category
- Content & writing
- Reported license
- Not specified
- Listing language (estimated)
- English
- Review status
- Not individually reviewed
- Agent compatibility
- Atlas installation supports Claude Code, Codex, and Cursor. Skill-specific dependencies and features are checked during setup.