# mqttspy

> mqttspy — cognis-digital-mqttspy. Use this tool when you need to analyze and secure MQTT brokers by passively mapping topics, detecting vulnerabilities, and identifying sensitive information in payloads. It solves problems related to MQTT security and compliance by providing a risk report, helping to prevent unauthorized access and data breaches. Ideal for use in IoT and messaging system security assessments, mqttspy takes MQTT broker traffic as input and outputs a detailed risk report.

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

## Description

Passively map an MQTT broker: enumerate topics, detect unauthenticated writes, spot PII/secrets in payloads, and emit a risk report.

## 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/mqttspy)

## 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-mqttspy"
    }
  }
}
```

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

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