# Expanso Dead Letter Queue

> Handle failed messages with dead-letter queue pattern and retry logic

- Skill: `expanso-io/expanso-dead-letter-queue-2` (Agent Skill, multi-file: 4 files)
- Install (CLI): `npx skillmds@latest add expanso-io/expanso-dead-letter-queue-2`
- Raw SKILL.md: https://api.skillmd.com/api/skills/expanso-io/expanso-dead-letter-queue-2/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: expanso-io (https://skillmd.com/u/expanso-io)
- Updated: 2026-09-21
- Page: https://skillmd.com/skills/expanso-io/expanso-dead-letter-queue-2

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# Dead Letter Queue

Route failed messages to a dead-letter queue with error metadata, automatic retries, and alerting.

## Category

`data-routing`

## Quick Start

```bash
export KAFKA_BROKERS=localhost:9092
./run.sh
```

## Features

- Automatic retry with exponential backoff
- Error categorization
- Metadata enrichment for debugging
- DLQ topic for manual investigation