Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add fabricioctelles/jump-skills --skill google-firebase-ninjagit clone --depth 1 https://github.com/fabricioctelles/jump-skillsWrote 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.
[](https://agentmods.dev/skills/fabricioctelles/jump-skills/google-firebase-ninja)<a href="https://agentmods.dev/skills/fabricioctelles/jump-skills/google-firebase-ninja"><img src="https://agentmods.dev/badge/skills/fabricioctelles/jump-skills/google-firebase-ninja/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.
<a href="https://agentmods.dev/skills/fabricioctelles/jump-skills/google-firebase-ninja"><img src="https://agentmods.dev/badge/skills/fabricioctelles/jump-skills/google-firebase-ninja.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00098 | $0.01604 |
| Opus 5 | $0.00049 | $0.00802 |
| Sonnet 5 | $0.00020 | $0.00321 |
| Haiku 4.5 | $0.00010 | $0.00160 |
Grade A, and why
google-firebase-ninja 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 7d 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.
How it starts
The opening of the file, as written. The whole thing — 148 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Google Firebase Ninja
Jump Skill — Master orchestrator that routes Firebase tasks to 18+ specialized skills from official Google repositories.
Purpose
This skill acts as an intelligent router to the Firebase skills library. Instead of manually searching for the right skill, describe your Firebase task and this skill will:
- Identify the most relevant specialized skill(s)
- Load the full skill instructions on demand
- Execute the task with expert-level Firebase knowledge
Skill Catalog
Firebase Core & CLI
| Skill | Path | Use When |
|---|---|---|
firebase-basics |
{{JUMP_SKILLS_DIR}}/repos/google-firebase-ninja/skills/skills/cloud/firebase-basics/ |
CLI setup, login, project creation, app config |
firebase-init |
{{JUMP_SKILLS_DIR}}/repos/google-firebase-ninja/firebase-skills/skills/firebase-init/ |
Initialize Firebase in project |
firebase-deploy |
{{JUMP_SKILLS_DIR}}/repos/google-firebase-ninja/firebase-skills/skills/firebase-deploy/ |
Deploy Firebase resources |
Firestore
| Skill | Path | Use When |
|---|---|---|
firebase-firestore |
{{JUMP_SKILLS_DIR}}/repos/google-firebase-ninja/firebase-skills/skills/firebase-firestore/ |
Firestore queries, data modeling |
firebase-firestore-rules |
{{JUMP_SKILLS_DIR}}/repos/google-firebase-ninja/firebase-skills/skills/firebase-firestore-rules/ |
Security rules, access control |
firebase-firestore-indexes |
{{JUMP_SKILLS_DIR}}/repos/google-firebase-ninja/firebase-skills/skills/firebase-firestore-indexes/ |
Composite indexes, query optimization |
Firebase Auth
| Skill | Path | Use When |
|---|---|---|
firebase-auth |
{{JUMP_SKILLS_DIR}}/repos/google-firebase-ninja/firebase-skills/skills/firebase-auth/ |
Authentication setup, providers |
firebase-auth-email |
{{JUMP_SKILLS_DIR}}/repos/google-firebase-ninja/firebase-skills/skills/firebase-auth-email/ |
Email/password authentication |
firebase-auth-social |
{{JUMP_SKILLS_DIR}}/repos/google-firebase-ninja/firebase-skills/skills/firebase-auth-social/ |
Google, Facebook, Apple Sign-In |
firebase-auth-phone |
{{JUMP_SKILLS_DIR}}/repos/google-firebase-ninja/firebase-skills/skills/firebase-auth-phone/ |
Phone number authentication |
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.
- 7d ago First seen · 148 lines · 98 tokens per session scan A 38440e52f8af
google-firebase-ninja is a skill published in the GitHub repository fabricioctelles/jump-skills (28 stars, last pushed yesterday), licensed MIT. It adds 98 tokens to every session and 1,604 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-04.
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