# Mkdocs Line Numbers

> Sub-skill of mkdocs: Line Numbers.

- Skill: `vamseeachanta/mkdocs-line-numbers` (Agent Skill)
- Install (CLI): `npx skillmds@latest add vamseeachanta/mkdocs-line-numbers`
- Raw SKILL.md: https://api.skillmd.com/api/skills/vamseeachanta/mkdocs-line-numbers/raw
- Safety review: PASS (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Docs & Writing
- Author: vamseeachanta (https://skillmd.com/u/vamseeachanta)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/vamseeachanta/mkdocs-line-numbers

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# Line Numbers

## Line Numbers


```python linenums="1"
def fibonacci(n):
    if n <= 1:
        return n
    return fibonacci(n - 1) + fibonacci(n - 2)
```