# Explain Fifo

> Explain strict FIFO queue behavior with concrete examples.

- Skill: `januarylabs/explain-fifo` (Agent Skill)
- Install (CLI): `npx skillmds@latest add januarylabs/explain-fifo`
- Raw SKILL.md: https://api.skillmd.com/api/skills/januarylabs/explain-fifo/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: JanuaryLabs (https://skillmd.com/u/januarylabs)
- Updated: 2026-09-22
- Page: https://skillmd.com/skills/januarylabs/explain-fifo

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# Explain strict FIFO

Explain that work sharing the same queue key starts in arrival order and never
overlaps. Contrast that with work using different keys, which may run
concurrently. Include a short timeline when it makes the ordering clearer.