Use this skill when creating diagnostics - the error messages, warnings, and hints shown to users. Covers the Diagnostic trait, advice types, and best practices for clear, actionable messages.
Add new categories to crates/biomediagnosticscategories/src/categories.rs:
Guide for creating high-quality, user-friendly diagnostics in Biome. Use when implementing error messages, warnings, and code frame displays. Examples:<example>User needs to create a diagnostic for a lint rule</example><example>User wants to add helpful advice to error messages</example><example>User is improving diagnostic quality</example> Source: biomejs/biome.
Open your terminal or command line tool (Terminal, iTerm, Windows Terminal, etc.) Copy and run this command: npx skills add https://github.com/biomejs/biome --skill diagnostics-development Once installed, the skill will be automatically configured in your AI coding environment and ready to use in Claude Code, Cursor, or OpenClaw