MQTT MCP Server

Enables Cursor to subscribe to MQTT topics and read buffered messages from an MQTT broker.

→ brennanreamer/MQTT-MCP-Server · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 2 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

🔐

You'll be asked for 1 credential: MQTT_PASSWORD

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// known CVEs in dependencies2 high

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

high@modelcontextprotocol/sdk@1.0.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.0.0GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

Depend on this server? Get alerted when its CVEs change.Watch this server free →

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configMAX_MESSAGES_PER_TOPIC— Max messages to buffer per topic 100

configMQTT_BROKER_URL— MQTT broker URL (mqtt:// or mqtts://) mqtt://localhost:1883

configMQTT_CLIENT_ID— Client ID for MQTT connection cursor-mqtt-mcp-{timestamp}

🔐 secretMQTT_PASSWORD— Password for authentication (none)

configMQTT_USERNAME— Username for authentication (none)

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 4 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/brennanreamer-mqtt-mcp-server-1jkpq3)](https://m8ven.ai/mcp/brennanreamer-mqtt-mcp-server-1jkpq3)

commit: 3e4f2cde9c728dee2396298b17cda1ae3697c07b

code hash: 4602b13baa093eaae5e1c7a4143b4d357d725c8196d4b193ee3ebccf28999b3b

verified: 6/22/2026, 1:24:50 PM

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