# john-the-ripper-mcp

> Use this tool when you need to perform password security auditing and cracking on a remote system. It solves problems related to password strength and vulnerability by providing hash management and session control capabilities. The tool takes input in the form of SSH connections and password hashes, and outputs cracked passwords and security audit reports.

Canonical page: https://skillsregistry.net/skills/schwarztim-sec-john-the-ripper-mcp  
JSON: https://api.skillsregistry.net/v1/skills/schwarztim-sec-john-the-ripper-mcp

## Description

Enables AI assistants to perform password security auditing using John the Ripper on a remote Kali system via SSH, supporting cracking, hash management, and session control.

## Trust

- **Trust score (0–1):** 0.99
- **Verification tier:** verified
- **Last scanned:** 2026-09-19

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** security
- **Updated:** 2026-09-19

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/ahry1hz74l)
- **Repository:** <https://github.com/schwarztim/sec-john-the-ripper-mcp>

## 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": "schwarztim-sec-john-the-ripper-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/schwarztim-sec-john-the-ripper-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/schwarztim-sec-john-the-ripper-mcp/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