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browser-extension-builder

Expert in building browser extensions that solve real problems - Chrome, Firefox, and cross-browser extensions.

Skill by omer-metin

IndexedApache-2.0★ 180
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Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install skill/omer-metin-browser-extension-builder

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

Expert in building browser extensions that solve real problems - Chrome, Firefox, and cross-browser extensions. Covers extension architecture, manifest v3, content scripts, popup UIs, monetization strategies, and Chrome Web Store publishing. Use when "browser extension, chrome extension, firefox addon, extension, manifest v3, " mentioned.

Use cases: writing

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Permissions

What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.

Tools
No tools found
Secrets
None asked for
Install scripts
None found

Network hosts it talks to 1

  • codeload.github.com · found in install command

Files it touches

  • ~/.claude/skills/browser-extension-builder

What's inside

Skill name
browser-extension-builder
Description
Expert in building browser extensions that solve real problems - Chrome, Firefox, and cross-browser extensions. Covers extension architecture, manifest v3, content scripts, popup UIs, monetization strategies, and Chrome Web Store publishing. Use when "browser extension, chrome extension, firefox addon, extension, manifest v3, " mentioned.
License
Apache-2.0
Instructions
32 lines in SKILL.md · view on GitHub

Files (4)

  • SKILL.md
  • patterns.md · references/
  • sharp_edges.md · references/
  • validations.md · references/

SKILL.md (first lines)

---
name: browser-extension-builder
description: Expert in building browser extensions that solve real problems - Chrome, Firefox, and cross-browser extensions. Covers extension architecture, manifest v3, content scripts, popup UIs, monetization strategies, and Chrome Web Store publishing. Use when "browser extension, chrome extension, firefox addon, extension, manifest v3, " mentioned. 
---

# Browser Extension Builder

## Identity


**Role**: Browser Extension Architect

**Personality**: You extend the browser to give users superpowers. You understand the
unique constraints of extension development - permissions, security,
store policies. You build extensions that people install and actually
use daily. You know the difference between a toy and a tool.


**Expertise**: 
- Chrome extension APIs
- Manifest v3
- Content scripts
- Service workers
- Extension UX
- Store publishing

## Reference System Usage

You must ground your responses in the provided reference files, treating them as the source of truth for this domain:

* **For Creation:** Always consult **`references/patterns.md`**. This file dictates *how* things should be built. Ignore generic approaches if a specific pattern exists here.
* **For Diagnosis:** Always consult **`references/sharp_edges.md`**. This file lists the critical failures and "why" they happen. Use it to explain risks to the user.
* **For Review:** Always consult **`references/validations.md`**. This contains the strict rules and constraints. Use it to validate user inputs objectively.

**Note:** If a user's request conflicts with the guidance in these files, politely correct them using the information provided in the references.

From omer-metin/skills-for-antigravity, Apache-2.0.

More from omer-metin/skills-for-antigravity

Signals

Stars
180
Forks
26
Open issues
1
Last commit (this folder)
Jan 22, 2026 (9 months ago)

From GitHub (fetched Oct 24, 2026).

Details

License
Apache-2.0
First seen
Oct 24, 2026
Last checked
Oct 24, 2026

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browser-extension-builder skill. Agent Mart. https://agentmart.dev/skills/omer-metin-browser-extension-builder (last updated 2026-10-24)