platform: Skill for Claude Code

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

firebase-basics is a skill for Claude Code, Codex from tutur3u/platform. It costs 16 tokens per session (1,586 once invoked), scanned A, a copy of firebase-basics, Apache-2.0.

A basic setup guide for Firebase, Google's platform for services such as user sign-in, app data, and hosting. It covers using the Firebase command-line tool, signing in, choosing a project, and configuring Android settings.

In plain words
What is it for?
Use it when starting a Firebase project, checking the Firebase command-line tool, signing in, selecting a project, or setting up Android configuration.
Why use it?
It gives an agent a defined starting procedure for Firebase work and helps avoid using the wrong account, project, or tool version.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: mentions Claude Code; installed under .agents/ (shared by several agents); mentions Gemini CLI.

This is tutur3u/platform's own configuration. It tells Claude Code and Codex how to work on platform 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 platform configures →

Reuse

Borrowing it

Nothing to install: this file belongs to tutur3u/platform. 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/tutur3u/platform/main/.agents/skills/firebase-basics/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/tutur3u/platform

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/tutur3u/platform/firebase-basics/github.svg)](https://agentmods.dev/skills/tutur3u/platform/firebase-basics)
Your own site
<a href="https://agentmods.dev/skills/tutur3u/platform/firebase-basics"><img src="https://agentmods.dev/badge/skills/tutur3u/platform/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/tutur3u/platform/firebase-basics"><img src="https://agentmods.dev/badge/skills/tutur3u/platform/firebase-basics.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 16 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,586 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 84% 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 $0.00016 $0.01586
Opus 5.5 $0.00006 $0.00634
Sonnet 5.5 $0.00003 $0.00317
Haiku 4.5 $0.00002 $0.00159

Measured 1mo ago against content hash 7a3384c08d2e, 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

84% identical to firebase-basics — 239 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.

.agents/skills/firebase-basics/SKILL.md · 144 lines

How it starts

The opening of the file, as written. The whole thing — 144 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Prerequisites

Complete these setup steps before proceeding:

  1. Local Environment Setup: Verify the environment is properly set up so we can use Firebase tools:

  2. Authentication: Ensure you are logged in to Firebase so that commands have the correct permissions. Run npx -y firebase-tools@latest login. For environments without a browser (e.g., remote shells), use npx -y firebase-tools@latest login --no-localhost.

    • The command should output the current user.
    • If you are not logged in, follow the interactive instructions from this command to authenticate.
  3. Active Project: Most Firebase tasks require an active project context.

    [!IMPORTANT] For Agents: Before proceeding with project configuration, you MUST pause and ask the developer if they prefer to:

    1. Provide an existing Firebase Project ID, or
    2. Create a new Firebase project.
    • If using an existing Project ID:

      1. Check the current project by running npx -y firebase-tools@latest use.
      2. If the command outputs Active Project: <project-id>, confirm with the user if this is the intended project.
      3. If not, or if no project is active, set the project provided by the user:
        npx -y firebase-tools@latest use <PROJECT_ID>
        
    • If creating a new project: Run the following command to create it:

      npx -y firebase-tools@latest projects:create <project-id> --display-name "<display-name>"
      

      Note: The <project-id> must be 6-30 characters, lowercase, and can contain digits and hyphens. It must be globally unique.

Read the full file on GitHub · 144 lines

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 Changed · -5 lines · -57 tokens per session 7a3384c08d2e
  2. 1mo ago First seen · 149 lines · 73 tokens per session scan A b6cf2d3a95f4

Subscribe to this mod's changes

firebase-basics is a skill published in the GitHub repository tutur3u/platform (55 stars, last pushed today), licensed Apache-2.0. It adds 16 tokens to every session and 1,586 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 84% identical to firebase-basics, differing in 239 lines, and is treated as a copy.

Related

Other skills, from other repositories

magic-ui

Use this skill when users want to add, customize, or troubleshoot Magic UI components in React/Next.js projects. It covers component selection, shadcn registry installation (@magicui/), integration patterns, and practical quality checks for accessibility and maintainability.

magicuidesign/magicui · 56 tokens

frontend-engineer

!cat skills/shared/protocols/ux-protocol.md 2>/dev/null || true !cat skills/shared/protocols/input-validation.md 2>/dev/null || true !cat skills/shared/protocols/tool-efficiency.md 2>/dev/null || true !cat .production-grade.yaml 2>/dev/null || echo "No config — using defaults" !cat .forgewright/codebase-context.md…

buiphucminhtam/forgewright · 55 tokens

nextjs-pages-router

Set up tRPC in Next.js Pages Router with createNextApiHandler, createTRPCNext, withTRPC HOC, SSR via ssr option and ssrPrepass, SSG via createServerSideHelpers with getStaticProps, and server-side helpers for getServerSideProps prefetching.

trpc/trpc · 67 tokens

react-query-setup

Set up @trpc/tanstack-react-query with createTRPCContext(), TRPCProvider, useTRPC() hook, queryOptions/mutationOptions factories, query invalidation via queryClient.invalidateQueries with queryFilter, and type inference with inferInput/inferOutput.

trpc/trpc · 60 tokens

server-side-calls

Call tRPC procedures directly from server code using t.createCallerFactory() and router.createCaller(context) for integration testing, internal server logic, and custom API endpoints. Catch TRPCError and extract HTTP status with getHTTPStatusCodeFromError(). Error handling via onError option.

trpc/trpc · 61 tokens

trpc-router

Entry point for all tRPC skills. Decision tree routing by task: initTRPC.create(), t.router(), t.procedure, createTRPCClient, adapters, subscriptions, React Query, Next.js, links, middleware, validators, error handling, caching, FormData.

trpc/trpc · 59 tokens