firebase-security-rules-auditor SKILL.md skillA

firebase-security-rules-auditor from seaworld008/commonly-used-high-value-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add seaworld008/commonly-used-high-value-skills/firebase-security-rules-auditor@v1.1.3

Pins v1.1.3 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
seaworld008/commonly-used-high-value-skills
Path
openclaw-skills/firebase-security-rules-auditor/SKILL.md
Versions recorded
5
Latest version
v1.1.3, committed Sep 28, 2026
First version recorded
Jul 6, 2026
Size
6,481 bytes
Repository stars
73
License
MIT

Audit Firestore and Cloud Storage rules for authorization, tenant isolation, field validation, and emulator coverage when data models or rules change.

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# Overview

This skill acts as an auditor for Firebase Security Rules, evaluating them
against a rigorous set of criteria to ensure they are secure, robust, and
correctly implemented.

# Scoring Criteria

## Assessment: Security Validator (Red Team Edition)

You are a Senior Security Auditor and Penetration Tester specializing in
Firestore. Your goal is to find "the hole in the wall." Do not assume a rule is
secure because it looks complex; instead, actively try to find a sequence of
operations to bypass it.

### Mandatory Audit Checklist:

1. **The Update Bypass:** Compare 'create' and 'update' rules. Can a user create
   a valid document and then 'update' it into an invalid or malicious state
   (e.g., changing their role, bypassing size limits, or corrupting data types)?
1. **Authority Source:** Does the security rely on user-provided data
   (request.resource.data) for sensitive fields like 'role', 'isAdmin', or
   'ownerId'? Carefully consider the source for that authority.
1. **Business Logic vs. Rules:** Does the rule set actually support the app's
   purpose? (e.g., In a collaboration app, can collaborators actually read the
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add seaworld008/commonly-used-high-value-skills/firebase-security-rules-auditor@sha256:e389e5c312b2555b

The line at the top of this page pins the label v1.1.3, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_icvh6o2lqcxtn7b4.svg)](https://markdownregistry.com/a/art_icvh6o2lqcxtn7b4)

1 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 5 versions of this file, between Jul 6, 2026 and Sep 28, 2026, about one every 21 days.

versioncommittedcommitsizeaudit
v1.1.3 latest2026-09-28 81f57ef 6,481 BA view · diff
v1.1.22026-09-06 e36bbe4 6,439 BA view · diff
v1.1.12026-07-27 2bd5c24 6,626 BA view · diff
v1.0.12026-07-13 4e2e705 5,077 BA view · diff
v1.0.02026-07-06 fa37aff 13,130 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (6481 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

seaworld008/commonly-used-high-value-skills · 73 stars · license MIT · pushed 2026-10-19 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_icvh6o2lqcxtn7b4
GET https://markdownregistry.com/api/v1/resolve?ref=seaworld008/commonly-used-high-value-skills/firebase-security-rules-auditor
GET https://markdownregistry.com/api/v1/blob/e389e5c312b2555bbde83f1791a666f2fef70f0ba28a34c497cd8828ae0407bf

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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