biomejs/biome

A toolchain for web projects, aimed to provide functionalities to maintain them. Biome offers formatter and linter, usable via CLI and LSP.

About the project

Biome is a web-development toolchain that formats and checks source code for languages such as JavaScript, TypeScript, JSX, and CSS. Developers use its command-line and language-server interfaces to maintain code quality in web projects. Catalogue add-ons extend workflows around the toolchain.

Latest release @biomejs/[email protected] — Biome CLI v2.6.4 · 28 Oct 2026

13 files for Claude Code, Codex and OpenCode: biome-code-review, changeset, diagnostics-development, doc-comments and 9 more — 1,127 tokens loaded in every session.

26,016Stars on the repository
13Files it configures its agents with
1,127Tokens loaded in every session
3Agents configured

Instructions

Skills

These files are biomejs/biome's own configuration — they tell Claude Code, Codex and OpenCode how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.