# faultline

> faultline — josipmusa-faultline. Use this tool when you need to test your application's resilience and error handling by injecting faults into outbound HTTP and HTTPS requests. Faultline allows you to monitor, slow down, fail, or cut off requests, helping you identify and fix potential issues in your app. Ideal for development and testing, faultline provides a controlled environment to simulate real-world failures and errors.

Canonical page: https://skillsregistry.net/skills/josipmusa-faultline  
JSON: https://api.skillsregistry.net/v1/skills/josipmusa-faultline

## Description

HTTP and HTTPS fault-injection proxy for development and testing: see every outbound call your app makes, then slow it down, fail it or cut it off on purpose

## Trust

- **Trust score (0–1):** 0.79
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **License:** MIT
- **Updated:** 2026-09-28

## Source

- **Source listing:** [GitHub](https://github.com/josipmusa/faultline)

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "josipmusa-faultline"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/josipmusa-faultline` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/josipmusa-faultline/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt