platform: Skill for Claude Code

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

firebase-firestore is a skill for Claude Code, Codex from tutur3u/platform. It costs 20 tokens per session (792 once invoked), scanned A, a copy of firebase-firestore, Apache-2.0.

A guide for setting up and working with Cloud Firestore, a cloud database from Firebase. It covers choosing a Firestore database instance and edition, configuring it, writing data models and security rules, and running queries.

In plain words
What is it for?
Listing and selecting Firestore databases, checking their editions, creating a database, configuring security rules, and running queries including full-text search and relational joins through pipelines.
Why use it?
It helps avoid applying the wrong setup instructions to the wrong Firestore edition or database. It also provides a defined process for finding an existing database or preparing a new one.

Skill for Claude CodeCodex

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

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-firestore/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-firestore

README.md
[![agentmods](https://agentmods.dev/badge/skills/tutur3u/platform/firebase-firestore/github.svg)](https://agentmods.dev/skills/tutur3u/platform/firebase-firestore)
Your own site
<a href="https://agentmods.dev/skills/tutur3u/platform/firebase-firestore"><img src="https://agentmods.dev/badge/skills/tutur3u/platform/firebase-firestore/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-firestore

Your own site · 80×15
<a href="https://agentmods.dev/skills/tutur3u/platform/firebase-firestore"><img src="https://agentmods.dev/badge/skills/tutur3u/platform/firebase-firestore.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 20 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 792 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 86% 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 $0.00020 $0.00792
Opus 5.5 $0.00008 $0.00317
Sonnet 5.5 $0.00004 $0.00158
Haiku 4.5 $0.00002 $0.00079

Measured 1mo ago against content hash 666308e7a375, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

firebase-firestore 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

86% identical to firebase-firestore — 41 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-firestore/SKILL.md · 84 lines

How it starts

The opening of the file, as written. The whole thing — 84 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Cloud Firestore Database and Operations

Before setting up dependencies, writing data models, or configuring security rules, you MUST always identify the Firestore instance edition.

1. Instance Selection and Edition Detection

Run the following command to list current Firestore databases: bash npx -y firebase-tools@latest firestore:databases:list

A. Instance Found

  1. For each database found, inspect its edition and details: bash npx -y firebase-tools@latest firestore:databases:get <database-id>
  2. Ask the user which database instance they wish to target or if they would prefer to create a new instance.
  3. Once the target instance is established:
    • If the edition is STANDARD, follow the guides under references/standard/.
    • If the edition is ENTERPRISE or native mode, follow the guides under references/enterprise/.

B. No Instance Found (or New Requested)

If no databases exist or the user requests a new one, default to provisioning an Enterprise edition database and ask the user what location to use. Run npx -y firebase-tools@latest firestore:locations to get the list of options. Suggest colocating with other resources if applicable.

Once the location is determined, create the database: bash npx -y firebase-tools@latest firestore:databases:create <database-id> --edition="enterprise" --location="<selected-location>"

Proceed with using the guides under references/enterprise/.


2. Specialized Guides

Based on the identified or created instance edition, open and read the corresponding reference guides:

Standard Edition (references/standard/)

Read the full file on GitHub · 84 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 · -6 lines · -60 tokens per session 666308e7a375
  2. 1mo ago First seen · 90 lines · 80 tokens per session scan A 6ffca8a88350

Subscribe to this mod's changes

firebase-firestore is a skill published in the GitHub repository tutur3u/platform (55 stars, last pushed today), licensed Apache-2.0. It adds 20 tokens to every session and 792 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 86% identical to firebase-firestore, differing in 41 lines, and is treated as a copy.

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