Development skills

Browse reusable Agent Skills, each with a clear purpose and practical guidance.

eslint-migrate-options

Guide for implementing ESLint-to-Biome rule option migrators inside `biome migrate eslint`. Use whenever you add or update a Biome lint rule that has an ESLint source rule with configurable options, need to deserialize plugin-specific ESLint options, or need custom migration logic beyond the auto-generated severity mapping.

25.42k repo starsObserved in 1 repos
Development

formatter-development

Guide for implementing formatting rules using Biome's IR-based formatter infrastructure. Use when implementing formatting for new syntax nodes, handling comments in formatted output, writing or debugging formatter snapshot tests, diagnosing idempotency failures, or comparing Biome's formatting against Prettier for JavaScript, CSS, JSON, HTML, Markdown, or other languages.

25.42k repo starsObserved in 1 repos
Development

lint-rule-development

Step-by-step guide for creating and implementing lint rules in Biome's analyzer. Use when implementing rules like noVar, useConst, or any custom lint/assist rule, adding code actions to fix diagnostics, implementing semantic analysis for binding references, or adding configurable options to rules.

25.42k repo starsObserved in 1 repos
Development

pull-request

Guide for creating proper pull requests for the Biome project. Use when opening a PR, writing a PR description, choosing the correct target branch, or filling out the PR template. Trigger when creating PRs, writing PR summaries, or preparing code for review.

25.42k repo starsObserved in 1 repos
Development

v8-workflow

Manages git task isolation and environment setup in V8. Use at the start of any new task or bug fix. Do not use for general C++ editing.

25.12k repo starsObserved in 1 repos
Development

workflow_gerrit_fix

Workflow for automatically fixing errors or addressing comments on a Gerrit CL requested by the user.

25.12k repo starsObserved in 1 repos
Development

translation-source-sync

Synchronizes the UniGetUI English language file with source-code usage, identifies missing translation keys, removes unused entries, reports localization drift, and can reorder locale files to match the English key ordering. Use when the user asks to sync language files, missing translations, i18n drift, or align locale file ordering with English.

25.06k repo starsObserved in 1 repos
Development

generate-classes

Generate bytecode classes from DSL scripts (MAL, OAL, LAL, Hierarchy). Runs the compiler and dumps .class files for inspection.

24.87k repo starsObserved in 2 repos
Development

new-monitoring-feature

Add a new monitoring target / layer to SkyWalking OAP. Orients you to the OAL / MAL / LAL / SpanListener / SegmentListener extension points, the UI template + submodule touchpoints, the docs set that must move together, and the cross-cutting traps that don't live in any one skill.

24.87k repo starsObserved in 2 repos
Development

gh-pull-request

Verify, commit, and push changes on a PR branch. Runs pre-flight checks (compile, checkstyle, license headers) before every push. Also creates the PR if one doesn't exist yet.

24.87k repo starsObserved in 1 repos
Development