---
title: documentation-index-member-duplicate
description: Reports a relevant member that appears more than once in its Index Section.
---

[← All Rules](/rules/)

## What it does

Reports every occurrence after the first when one relevant direct member is identified by multiple list items.

## Why it matters

One described entry gives each member one stable place in its owning inventory.

## Examples

### Non-passing

```md title="AGENTS.md"
# Source Of Truth Map

- [Guide](docs/guide.md) — Load for contributor guidance.
- [Guide](docs/guide.md) — Load before contributing.
```

### Passing

```md title="AGENTS.md"
# Source Of Truth Map

- [Guide](docs/guide.md) — Load for contributor guidance.
```

## When it applies

This Rule belongs to the configurable `documentation-indexes` group and runs for enabled Index Policies.

## References

See [Presswork Configuration](/configuration/#indexes) for Index Sections and [`src/check/evaluate-index.ts`](https://github.com/evilkiwi/presswork/blob/main/src/check/evaluate-index.ts) for occurrence tracking.