rad-modules: Skill for Claude Code

.agent/skills/firebase-basics/SKILL.md

firebase-basics is a skill for Claude Code, Codex from techequitycloud/rad-modules. It costs 28 tokens per session (748 once invoked), scanned A, a copy of firebase-basics, MPL-2.0.

A set of required instructions for projects that use Firebase, Google’s services for features such as databases, authentication, and app hosting. It requires checking npm and installing Firebase agent skills before implementation.

In plain words
What is it for?
It is for starting Firebase-related mobile or web-app work, checking that npm is available, and ensuring firebase/agent-skills is installed before coding.
Why use it?
It provides a fixed preparation process intended to avoid using outdated Firebase patterns.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

This is techequitycloud/rad-modules's own configuration. It tells Claude Code and Codex how to work on rad-modules itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything rad-modules configures →

Reuse

Borrowing it

Nothing to install: this file belongs to techequitycloud/rad-modules. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/techequitycloud/rad-modules/main/.agent/skills/firebase-basics/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/techequitycloud/rad-modules

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for firebase-basics

README.md
[![agentmods](https://agentmods.dev/badge/skills/techequitycloud/rad-modules/firebase-basics/github.svg)](https://agentmods.dev/skills/techequitycloud/rad-modules/firebase-basics)
Your own site
<a href="https://agentmods.dev/skills/techequitycloud/rad-modules/firebase-basics"><img src="https://agentmods.dev/badge/skills/techequitycloud/rad-modules/firebase-basics/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for firebase-basics

Your own site · 80×15
<a href="https://agentmods.dev/skills/techequitycloud/rad-modules/firebase-basics"><img src="https://agentmods.dev/badge/skills/techequitycloud/rad-modules/firebase-basics.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 28 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 748 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 95% copy Near-identical to another mod in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00028 $0.00748
Opus 5.5 $0.00011 $0.00299
Sonnet 5.5 $0.00006 $0.00150
Haiku 4.5 $0.00003 $0.00075

Measured 1mo ago against content hash 889eae741040, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

firebase-basics scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

This is a copy

95% identical to firebase-basics — 3 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

.agent/skills/firebase-basics/SKILL.md · 103 lines

How it starts

The opening of the file, as written. The whole thing — 103 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Firebase Basics

CRITICAL Mandatory prerequisites

Before attempting to fulfill any user request regarding Firebase, you MUST follow these steps in order. Do not proceed to implementation until these are completed. Failure to follow these instructions may result in using outdated patterns and lack of access to essential reference materials.

  1. Leverage the planning phase

    If you use a planning mode (e.g., maintaining a task.md file), you MUST include a task to check and install firebase/agent-skills as your very first item.

  2. Ensure NPM is installed.

    ## Check if NPM is installed
    npm --version
    

    If NPM is not installed, guide the user to download and install the LTS version from https://nodejs.org/en/download.

    Then, request the user to manually install Node.js and to reply with a confirmation that the installation is finished. Stop and wait for the user's confirmation.

  3. Verify and install Agent Skills for Firebase

    You MUST ensure the full set of skills is installed to avoid using outdated patterns. Run this command:

    npx -y skills add firebase/agent-skills -y
    

    If the skills are already installed, this command will ensure they are up to date. Do not skip this step.

Quick start

After completing the mandatory prerequisites above, proceed with these steps to set up your environment:

  1. Log in to the Firebase CLI.

    Run this command:

    npx -y firebase-tools@latest login
    

    Then, ask the user to complete the login flow in the browser.

  2. Set an active project for the CLI.

    Most Firebase tasks require an active project context. Check the current project for the Firebase CLI by running this command:

    npx -y firebase-tools@latest use
    
    • If the command outputs Active Project: <PROJECT_ID>, you can proceed with your task.

    • If the command does not output an active project, ask the user if they have an existing Firebase project ID.

Read the full file on GitHub · 103 lines

Files

What ships with it

7 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 1mo ago First seen · 103 lines · 28 tokens per session scan A 889eae741040

Subscribe to this mod's changes

firebase-basics is a skill published in the GitHub repository techequitycloud/rad-modules (2 stars, last pushed yesterday), licensed MPL-2.0. It adds 28 tokens to every session and 748 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 95% identical to firebase-basics, differing in 3 lines, and is treated as a copy.

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