# fwxray

> fwxray — cognis-digital-fwxray. Use this tool when you need to compare and analyze differences between two firmware images, identifying changes such as new binaries, modified config flags, added certificates, and altered entropy regions. It solves problems related to firmware version control, security auditing, and change detection. The tool takes two firmware images as input and outputs a detailed diff report, making it ideal for use cases involving firmware development, testing, and security assessment.

Canonical page: https://skillsregistry.net/skills/cognis-digital-fwxray  
JSON: https://api.skillsregistry.net/v1/skills/cognis-digital-fwxray

## Description

Diff two firmware images and surface exactly what changed: new binaries, flipped config flags, added certs, and shifted entropy regions.

## Trust

- **Trust score (0–1):** 0.50
- **Verification tier:** unverified

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **Updated:** 2026-09-21

## Source

- **Source listing:** [GitHub](https://github.com/cognis-digital/fwxray)

## 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": "cognis-digital-fwxray"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/cognis-digital-fwxray` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/cognis-digital-fwxray/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