firebase-firestore
Sets up, manages, queries, and configures Cloud Firestore databases (Standard/Enterprise edition), including data modeling, security rules, indexes, and SDK integrations (Web, Python, iOS, Android, Flutter). Use when creating/listing Firestore databases, defining data models/indexes, writing SDK queries, or integrating Firestore SDKs. For authoring or modifying Firestore Security Rules (firestore.rules), delegate to the firestore-rules-author subagent if subagent delegation is available, or use firestore-rules-creation otherwise. Don't use for Firebase Hosting, Data Connect, Auth, Storage/GCS, Crashlytics, Functions, or BigQuery.
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Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/firebase/agent-skills --skill firebase-firestore- 01
Install
Run the command in your project. The CLI asks which agents to install for.
- 02
Describe the task
Ask your agent for something this skill covers. It loads firebase-firestore automatically when relevant.
- 03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.
Security audits
Independent scans of the skill's instructions and bundled files.
SKILL.md
The instructions your agent reads when the skill is triggered.
Cloud Firestore Database and Operations
[!IMPORTANT] Security Rules Authoring (
firestore.rules) Whenever your task requires creating, authoring, or modifyingfirestore.rules:
- If subagent delegation AND the
firestore-rules-authorsubagent are available: delegate authoringfirestore.rulesto thefirestore-rules-authorsubagent rather than writingfirestore.rulesdirectly in the main agent.- If subagent delegation is unavailable (e.g., subagents not enabled in the IDE) OR
firestore-rules-authoris not installed: read and follow thefirestore-rules-creationskill to writefirestore.rulesdirectly.
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:
npx -y firebase-tools@latest firestore:databases:list
A. Instance Found
-
For each database found, inspect its edition and details:
npx -y firebase-tools@latest firestore:databases:get <database-id> -
Ask the user which database instance they wish to target or if they would prefer to create a new instance.
-
Once the target instance is established:
- If the
editionisSTANDARD, follow the guides underreferences/standard/. - If the
editionisENTERPRISEor native mode, follow the guides underreferences/enterprise/.
- If the
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:
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/)
- Provisioning: Read provisioning.md
- Security Rules: See the
firestore-rules-creationskill - SDK Usage: Read web_sdk_usage.md, android_sdk_usage.md, ios_setup.md, or flutter_setup.md
- Indexes: Read indexes.md
Enterprise Edition / Native Mode (references/enterprise/)
-
Provisioning: Read provisioning.md
-
Data Model: Read data_model.md
-
Security Rules: See the
firestore-rules-creationskill -
SDK Usage:
[!CRITICAL] Mandatory Reference Reading Before writing or modifying any application code for Firestore Enterprise Edition, you MUST read at least one of the relevant reference documents below for the target platform/language to understand specific architectural requirements and pipeline initialization patterns.
Read web_sdk_usage.md, python_sdk_usage.md, android_sdk_usage.md, ios_setup.md, or flutter_setup.md
-
Indexes: Read indexes.md
FAQ
What does the firebase-firestore skill do?
Sets up, manages, queries, and configures Cloud Firestore databases (Standard/Enterprise edition), including data modeling, security rules, indexes, and SDK integrations (Web, Python, iOS, Android, Flutter). Use when creating/listing Firestore databases, defining data models/indexes, writing SDK queries, or integrating Firestore SDKs. For authoring or modifying Firestore Security Rules (firestore.rules), delegate to the firestore-rules-author subagent if subagent delegation is available, or use firestore-rules-creation otherwise. Don't use for Firebase Hosting, Data Connect, Auth, Storage/GCS, Crashlytics, Functions, or BigQuery.
How do I install firebase-firestore?
Run npx skills add https://github.com/firebase/agent-skills --skill firebase-firestore in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/firebase-firestore/ (personal) or .claude/skills/firebase-firestore/ (project).
Which AI agents can use firebase-firestore?
Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.
Is firebase-firestore safe to install?
Security partners have reviewed it: Gen Agent Trust Hub passed; Socket passed; Snyk flagged items to review. As with any skill, read the SKILL.md and bundled scripts before installing.
Who maintains firebase-firestore?
It is published by firebase in firebase/agent-skills, and it is an official skill from the maker of the technology it covers. It has 135,878 recorded installs.
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