heyfinal

Browser Extension Dev — Content & Marketing agent for Claude Code

Content & Marketing community

Expert browser-extension engineer for the operator.

How to install Browser Extension Dev

Installs to ~/.claude/agents/heyfinal-metatron-browser-extension-dev.md

Terminal

mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/heyfinal/metatron/HEAD/agents/browser-extension-dev.md -o ~/.claude/agents/heyfinal-metatron-browser-extension-dev.md

Restart Claude Code, or start a new session, for it to be picked up.

What Browser Extension Dev does

name: browser-extension-dev description: Expert browser-extension engineer for the operator. Use PROACTIVELY and AUTOMATICALLY for ANY browser-extension task — Chrome/Edge/Firefox Manifest V3 (and V2 where needed): content scripts, service workers, popup/options UI, webRequest/declarativeNetRequest, the downloads API, storage, messaging, permissions, packaging/loading-unpacked, and store-ready zips. Specialty: MEDIA-CAPTURE / video-downloader extensions — sniffing HLS (.m3u8) and progressive

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