🛡️ Add Feature

This skill helps you add features to existing Firebase projects using TDD, emulator verification, and secure, test-first workflows.

QUICK INSTALL
npx playbooks add skill 2389-research/claude-plugins --skill add-feature

About Add Feature

Built for security workflows, Add Feature helps AI coding agents this skill helps you add features to existing firebase projects using tdd, emulator verification, and secure, test-first workflows.

The 18-word prompt provides structured security guidance — covering detailed methodology and consistent output formats. Install it in one command.

Use Cases

  • Auditing code for OWASP Top 10 vulnerabilities
  • Implementing authentication and authorization patterns
  • Reviewing API security, rate limiting, and input validation
  • Hardening infrastructure and dependency security

Example Prompts

Get started Help me use the Add Feature skill effectively.

System Prompt (18 words)

This skill helps you add features to existing Firebase projects using TDD, emulator verification, and secure, test-first workflows.

Frequently Asked Questions

What is Add Feature?

Add Feature is a free security skill for AI coding agents. This skill helps you add features to existing Firebase projects using TDD, emulator verification, and secure, test-first workflows.. It provides a specialized system prompt that configures your agent with security expertise.

How do I use Add Feature with Claude Code?

Run npx playbooks add skill 2389-research/claude-plugins --skill add-feature in your terminal to install Add Feature into your Claude Code session. It works immediately after installation.

Which AI coding agents work with Add Feature?

Add Feature is compatible with Claude Code, Cursor, GitHub Copilot, Windsurf, OpenClaw, Cline, and any AI agent that supports custom system prompts or .cursorrules files.

Is Add Feature free to use?

Yes, Add Feature is completely free and open source. The full source is available on GitHub at https://github.com/2389-research/claude-plugins/tree/main/firebase-development/skills/add-feature. You only need a subscription to the AI agent you use it with.

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