firebase-security-rules-block

firebase-security-rules-block is a command for Claude Code from appboypov/pew-pew-plaza-packs. It costs 0 tokens per session (330 once invoked), scanned A, original, MIT.

A command template for documenting changes to Firebase Security Rules, which control who can read or change data in Firebase services such as Firestore and Storage.

In plain words
What is it for?
Use it to describe Firestore and Storage permissions, including which users can read, create, update, or delete data.
Why use it?
It makes access-control changes explicit and easier to review. This helps reduce the risk of accidentally exposing or changing users' data.

Command for Claude Code

Written for Claude Code: installed under .claude/.

Good fit Use it to describe Firestore and Storage permissions, including which users can read, create, update, or delete data.

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Install with agentmods
npx agentmods add commands/appboypov/pew-pew-plaza-packs/firebase-security-rules-block
Install

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.

Clone the repo
git clone --depth 1 https://github.com/appboypov/pew-pew-plaza-packs

Made for: Claude Code.

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-security-rules-block

README.md
[![agentmods](https://agentmods.dev/badge/commands/appboypov/pew-pew-plaza-packs/firebase-security-rules-block/github.svg)](https://agentmods.dev/commands/appboypov/pew-pew-plaza-packs/firebase-security-rules-block)
Your own site
<a href="https://agentmods.dev/commands/appboypov/pew-pew-plaza-packs/firebase-security-rules-block"><img src="https://agentmods.dev/badge/commands/appboypov/pew-pew-plaza-packs/firebase-security-rules-block/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-security-rules-block

Your own site · 80×15
<a href="https://agentmods.dev/commands/appboypov/pew-pew-plaza-packs/firebase-security-rules-block"><img src="https://agentmods.dev/badge/commands/appboypov/pew-pew-plaza-packs/firebase-security-rules-block.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 0 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 330 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 original No closer match found 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 $0.00000 $0.00330
Opus 5 $0.00000 $0.00165
Sonnet 5 $0.00000 $0.00066
Haiku 4.5 $0.00000 $0.00033

Measured 9d ago against content hash 953df56e9fc3, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

firebase-security-rules-block 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 9d 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.

.claude/commands/add/firebase-security-rules-block.md · 62 lines

What it actually says

Block Command

When this command is used, use the following block. Acknowledge your understanding and then await the user's request.


## 🔒 Firebase Security Rules
> 💡 *Security rules that define access control for Firebase services (Firestore, Storage, etc.).*

[Describe security rule changes or state "No changes to security rules" if none]

### Firestore Rules

``````
<example>
#### Collection: [collection_name]
```
<firebase-rules>
match /collection/{document} {
  // Read access
  allow read: if request.auth != null && request.auth.uid == resource.data.userId;
  
  // Write access
  allow create: if request.auth != null;
  allow update: if request.auth != null && request.auth.uid == resource.data.userId;
  
  // Delete access
  allow delete: if request.auth != null && request.auth.uid == resource.data.userId;
}
</firebase-rules>
```
</example>
``````

### Storage Rules

``````
<example>
#### Path: [storage_path]
```
<firebase-rules>
match /users/{userId}/files/{fileName} {
  allow read: if request.auth != null && request.auth.uid == userId;
  allow write: if request.auth != null && request.auth.uid == userId;
}
</firebase-rules>
```
</example>
``````

### Custom Functions

[Describe any custom security functions if needed]

```
<example>
[Custom function description and implementation]
</example>
```
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. 9d ago First seen · 62 lines · 0 tokens per session scan A 953df56e9fc3

Subscribe to this mod's changes

firebase-security-rules-block is a command published in the GitHub repository appboypov/pew-pew-plaza-packs (85 stars, last pushed 8mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 330 tokens. 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 2026-09-03.