# Async bug debugging (/debugging--async-debug)

/debugging--async-debug is a Claude Code skill in the Code section. Analyzes async/await, promise and concurrency code to find swallowed errors, ordering issues and deadlocks, and proposes the fix.

- Web version: https://skills.sgomez.dev/en/s/debugging--async-debug
- Section: [Code](https://skills.sgomez.dev/en/code.md)
- Author: Santiago Gómez de la Torre
- License: MIT
- Source: https://github.com/sgomez-dev/claude-skills/blob/main/skills/debugging/async-debug.md
- Updated 30 Mar 2026

## How to ask for it

- `/debugging--async-debug this promise never resolves, help me debug it`
- `/debugging--async-debug debug this failing async/await chain`
- `/debugging--async-debug find the concurrency bug in this code`

## Install

macOS · Linux:

```
curl -fsSL https://raw.githubusercontent.com/sgomez-dev/claude-skills/main/install.sh | bash
```

Windows:

```
irm https://raw.githubusercontent.com/sgomez-dev/claude-skills/main/install.ps1 | iex
```

Claude Code plugin:

```
/plugin marketplace add sgomez-dev/claude-skills
/plugin install debugging-skills@claude-skills-collection
```

## Permissions

- Reads: `**/*`
- Writes: `**/*`
- Runs: —
- Network: No
- Destructive: No

## Author's description

Debug async/await, promise chains, and concurrency bugs

- [How we review this](https://skills.sgomez.dev/en/methodology.md)