# prd-writing

Skill · `skill:prd-writing`

Favz census, built 2026-10-04. Tool names and counts only. No repo names. HTML page: https://favz.co/tools/skill-prd-writing.html

- Repos that have it now: 20
- Repos that ever had it: 23
- Still have it: 87%
- Share of census repos with any tool: 0.02%

## 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 |
|---|---|
| 2025-12 | 1 |
| 2026-01 | 4 |
| 2026-02 | 6 |
| 2026-03 | 9 |
| 2026-04 | 14 |
| 2026-05 | 17 |
| 2026-07 | 19 |
| 2026-08 | 19 |
| 2026-09 | 20 |

## 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 |
|---|---|---|---|
| [repository-structure](https://favz.co/tools/skill-repository-structure.md) | Skill | 14 | 3154.1× |
| [steering](https://favz.co/tools/skill-steering.md) | Skill | 12 | 2838.7× |
| [architecture-design](https://favz.co/tools/skill-architecture-design.md) | Skill | 14 | 1439.9× |