# firestore-rules-creation

Skill · `skill:firestore-rules-creation`

Favz census, built 2026-10-08. Tool names and counts only. No repo names. HTML page: https://favz.co/tools/skill-firestore-rules-creation.html

- Repos that have it now: 43
- Repos that ever had it: 44
- Still have it: 98%
- Share of census repos with any tool: 0.03%

## Repos with it, by month

From commit dates in each repo's history. The last few days always look low, because repos found later fill them in.

| Month | Repos at month end |
|---|---|
| 2026-09 | 32 |
| 2026-10 | 43 |

## Goes with

Tools found in the same repos, ranked by lift: 3× means the two show up together three times as often as chance would give. Only pairs sharing 5 or more repos.

| Tool | Kind | Repos with both | Lift |
|---|---|---|---|
| [extension-to-functions-codebase](https://favz.co/tools/skill-extension-to-functions-codebase.md) | Skill | 42 | 2279.7× |
| [firebase-remote-config-basics](https://favz.co/tools/skill-firebase-remote-config-basics.md) | Skill | 42 | 1791.2× |
| [xcode-project-setup](https://favz.co/tools/skill-xcode-project-setup.md) | Skill | 42 | 1529.1× |
| [firebase-crashlytics](https://favz.co/tools/skill-firebase-crashlytics.md) | Skill | 42 | 1475.1× |
| [firebase-ai-logic-basics](https://favz.co/tools/skill-firebase-ai-logic-basics.md) | Skill | 42 | 1424.8× |
| [firebase-security-rules-auditor](https://favz.co/tools/skill-firebase-security-rules-auditor.md) | Skill | 43 | 1395.3× |
| [firebase-firestore](https://favz.co/tools/skill-firebase-firestore.md) | Skill | 43 | 1380.3× |
| [firebase-hosting-basics](https://favz.co/tools/skill-firebase-hosting-basics.md) | Skill | 43 | 1106.6× |
| [firebase-app-hosting-basics](https://favz.co/tools/skill-firebase-app-hosting-basics.md) | Skill | 42 | 1099.9× |
| [firebase-data-connect](https://favz.co/tools/skill-firebase-data-connect.md) | Skill | 42 | 1099.9× |
| [firebase-auth-basics](https://favz.co/tools/skill-firebase-auth-basics.md) | Skill | 43 | 1027.0× |
| [firebase-basics](https://favz.co/tools/skill-firebase-basics.md) | Skill | 42 | 957.1× |