·testing-codegen
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testing-codegen

Guide for testing workflows and code generation commands in Biome. Use when running tests, managing snapshots, creating changesets, or generating code. Examples:<example>User needs to run snapshot tests for a lint rule</example><example>User wants to create a changeset for a PR</example><example>User needs to regenerate analyzer code after changes</example>

44Installs·3Trend·@biomejs

Installation

$npx skills add https://github.com/biomejs/biome --skill testing-codegen

How to Install testing-codegen

Quickly install testing-codegen AI skill to your development environment via command line

  1. Open Terminal: Open your terminal or command line tool (Terminal, iTerm, Windows Terminal, etc.)
  2. Run Installation Command: Copy and run this command: npx skills add https://github.com/biomejs/biome --skill testing-codegen
  3. Verify Installation: Once installed, the skill will be automatically configured in your AI coding environment and ready to use in Claude Code, Cursor, or OpenClaw

Source: biomejs/biome.

SKILL.md

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Use this skill for testing, code generation, and preparing contributions. Covers snapshot testing with insta, code generation commands, and changeset creation.

IMPORTANT: Use this instead of building full Biome binary for syntax inspection - it's much faster!

For inspecting AST structure when implementing parsers or working with embedded languages:

Guide for testing workflows and code generation commands in Biome. Use when running tests, managing snapshots, creating changesets, or generating code. Examples:<example>User needs to run snapshot tests for a lint rule</example><example>User wants to create a changeset for a PR</example><example>User needs to regenerate analyzer code after changes</example> Source: biomejs/biome.

Facts (cite-ready)

Stable fields and commands for AI/search citations.

Install command
npx skills add https://github.com/biomejs/biome --skill testing-codegen
Category
</>Dev Tools
Verified
First Seen
2026-02-21
Updated
2026-03-10

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Quick answers

What is testing-codegen?

Guide for testing workflows and code generation commands in Biome. Use when running tests, managing snapshots, creating changesets, or generating code. Examples:<example>User needs to run snapshot tests for a lint rule</example><example>User wants to create a changeset for a PR</example><example>User needs to regenerate analyzer code after changes</example> Source: biomejs/biome.

How do I install testing-codegen?

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 testing-codegen Once installed, the skill will be automatically configured in your AI coding environment and ready to use in Claude Code, Cursor, or OpenClaw

Where is the source repository?

https://github.com/biomejs/biome