Agent skill

chrome-ext

Chrome Extensions (Manifest V3) performance optimization guidelines (formerly chrome-extensions). This skill should be used when writing, reviewing, or refactoring Chrome extension code to ensure optimal performance patterns. Triggers on tasks involving service workers, content scripts, message passing, storage APIs, or extension development.

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Install this agent skill to your Project

npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/data/chrome-ext

SKILL.md

Chrome Developer Relations Chrome Extensions Best Practices

Comprehensive performance optimization guide for Chrome Extensions (Manifest V3), maintained by Chrome Developer Relations. Contains 40+ rules across 8 categories, prioritized by impact to guide automated refactoring and code generation.

When to Apply

Reference these guidelines when:

  • Writing new Chrome extension code
  • Migrating from Manifest V2 to Manifest V3
  • Optimizing service worker lifecycle and state management
  • Implementing content scripts for page interaction
  • Debugging performance issues in extensions

Rule Categories by Priority

Priority Category Impact Prefix
1 Service Worker Lifecycle CRITICAL sw-
2 Content Script Optimization CRITICAL content-
3 Message Passing Efficiency HIGH msg-
4 Storage Operations HIGH storage-
5 Network & Permissions MEDIUM-HIGH net-
6 Memory Management MEDIUM mem-
7 UI Performance MEDIUM ui-
8 API Usage Patterns LOW-MEDIUM api-

Quick Reference

1. Service Worker Lifecycle (CRITICAL)

2. Content Script Optimization (CRITICAL)

3. Message Passing Efficiency (HIGH)

4. Storage Operations (HIGH)

5. Network & Permissions (MEDIUM-HIGH)

6. Memory Management (MEDIUM)

7. UI Performance (MEDIUM)

8. API Usage Patterns (LOW-MEDIUM)

How to Use

Read individual reference files for detailed explanations and code examples:

Full Compiled Document

For a complete guide with all rules in a single document, see AGENTS.md.

Reference Files

File Description
AGENTS.md Complete compiled guide with all rules
references/_sections.md Category definitions and ordering
assets/templates/_template.md Template for new rules
metadata.json Version and reference information

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