OpenAgentSkill Registry Manifest
Skill: Extension.Js
Slug: extension-js-extension-js
Category: browser-automation
Description: The cross-browser extension framework.

Agent fit:
- Decision: 100/100 Production-ready
- Primary fit: Browser automation
- Role: Primary pick

Supply profile:
- Track: Coding and developer agents
- Scenario: Testing and QA
- Applicable agents: Claude Code, Browser agents, CLI, Codex, Cursor
- Maintenance: 1mo since push
- Risk: Safe to try

Trust:
- Trust score: 82/100 Strong shortlist
- Audit: 89/100 Safe to try

Attribution:
- Status: Community indexed
- Source: GitHub star discovery
- Creator: extension-js
- Claim URL: https://www.openagentskill.com/skills/extension-js-extension-js#claim-this-skill

Install:
npx skills add extension-js/extension.js

URLs:
- Web: https://www.openagentskill.com/skills/extension-js-extension-js
- API: https://www.openagentskill.com/api/agent/skills/extension-js-extension-js
- Install API: https://www.openagentskill.com/api/skills/extension-js-extension-js/install
- Repository: https://github.com/extension-js/extension.js